Merge branch 'feature/batch-info-provider-import'

.gitignore

@@ -48,3 +48,6 @@ yarn-error.log
 ###> phpstan/phpstan ###
 phpstan.neon
 ###< phpstan/phpstan ###
+
+.claude/
+CLAUDE.md

Makefile

@@ -0,0 +1,91 @@
+# PartDB Makefile for Test Environment Management
+
+.PHONY: help deps-install lint format format-check test coverage pre-commit all test-typecheck \
+test-setup test-clean test-db-create test-db-migrate test-cache-clear test-fixtures test-run test-reset \
+section-dev dev-setup dev-clean dev-db-create dev-db-migrate dev-cache-clear dev-warmup dev-reset
+
+# Default target
+help: ## Show this help
+	@awk 'BEGIN {FS = ":.*##"}; /^[a-zA-Z0-9][a-zA-Z0-9_-]+:.*##/ {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+# Dependencies
+deps-install: ## Install PHP dependencies with unlimited memory
+	@echo "📦 Installing PHP dependencies..."
+	COMPOSER_MEMORY_LIMIT=-1 composer install
+	yarn install
+	@echo "✅ Dependencies installed"
+
+# Complete test environment setup
+test-setup: test-clean test-db-create test-db-migrate test-fixtures ## Complete test setup (clean, create DB, migrate, fixtures)
+	@echo "✅ Test environment setup complete!"
+
+# Clean test environment
+test-clean: ## Clean test cache and database files
+	@echo "🧹 Cleaning test environment..."
+	rm -rf var/cache/test
+	rm -f var/app_test.db
+	@echo "✅ Test environment cleaned"
+
+# Create test database
+test-db-create: ## Create test database (if not exists)
+	@echo "🗄️  Creating test database..."
+	-php bin/console doctrine:database:create --if-not-exists --env test || echo "⚠️  Database creation failed (expected for SQLite) - continuing..."
+
+# Run database migrations for test environment
+test-db-migrate: ## Run database migrations for test environment
+	@echo "🔄 Running database migrations..."
+	COMPOSER_MEMORY_LIMIT=-1 php bin/console doctrine:migrations:migrate -n --env test
+
+# Clear test cache
+test-cache-clear: ## Clear test cache
+	@echo "🗑️  Clearing test cache..."
+	rm -rf var/cache/test
+	@echo "✅ Test cache cleared"
+
+# Load test fixtures
+test-fixtures: ## Load test fixtures
+	@echo "📦 Loading test fixtures..."
+	php bin/console partdb:fixtures:load -n --env test
+
+# Run PHPUnit tests
+test-run: ## Run PHPUnit tests
+	@echo "🧪 Running tests..."
+	php bin/phpunit
+
+# Quick test reset (clean + migrate + fixtures, skip DB creation)
+test-reset: test-cache-clear test-db-migrate test-fixtures
+	@echo "✅ Test environment reset complete!"
+
+test-typecheck: ## Run static analysis (PHPStan)
+	@echo "🧪 Running type checks..."
+	COMPOSER_MEMORY_LIMIT=-1 composer phpstan
+
+# Development helpers
+dev-setup: dev-clean dev-db-create dev-db-migrate dev-warmup ## Complete development setup (clean, create DB, migrate, warmup)
+	@echo "✅ Development environment setup complete!"
+
+dev-clean: ## Clean development cache and database files
+	@echo "🧹 Cleaning development environment..."
+	rm -rf var/cache/dev
+	rm -f var/app_dev.db
+	@echo "✅ Development environment cleaned"
+
+dev-db-create: ## Create development database (if not exists)
+	@echo "🗄️  Creating development database..."
+	-php bin/console doctrine:database:create --if-not-exists --env dev || echo "⚠️  Database creation failed (expected for SQLite) - continuing..."
+
+dev-db-migrate: ## Run database migrations for development environment
+	@echo "🔄 Running database migrations..."
+	COMPOSER_MEMORY_LIMIT=-1 php bin/console doctrine:migrations:migrate -n --env dev
+
+dev-cache-clear: ## Clear development cache
+	@echo "🗑️  Clearing development cache..."
+	rm -rf var/cache/dev
+	@echo "✅ Development cache cleared"
+
+dev-warmup: ## Warm up development cache
+	@echo "🔥 Warming up development cache..."
+	COMPOSER_MEMORY_LIMIT=-1 php -d memory_limit=1G bin/console cache:warmup --env dev -n
+
+dev-reset: dev-cache-clear dev-db-migrate ## Quick development reset (cache clear + migrate)
+	@echo "✅ Development environment reset complete!" 

assets/controllers/bulk_import_controller.js

@@ -0,0 +1,359 @@
+import { Controller } from "@hotwired/stimulus"
+import { generateCsrfHeaders } from "./csrf_protection_controller"
+
+export default class extends Controller {
+    static targets = ["progressBar", "progressText"]
+    static values = { 
+        jobId: Number,
+        partId: Number,
+        researchUrl: String,
+        researchAllUrl: String,
+        markCompletedUrl: String,
+        markSkippedUrl: String,
+        markPendingUrl: String
+    }
+
+    connect() {
+        // Auto-refresh progress if job is in progress
+        if (this.hasProgressBarTarget) {
+            this.startProgressUpdates()
+        }
+        
+        // Restore scroll position after page reload (if any)
+        this.restoreScrollPosition()
+    }
+
+    getHeaders() {
+        const headers = {
+            'Content-Type': 'application/json',
+            'X-Requested-With': 'XMLHttpRequest'
+        }
+
+        // Add CSRF headers if available
+        const form = document.querySelector('form')
+        if (form) {
+            const csrfHeaders = generateCsrfHeaders(form)
+            Object.assign(headers, csrfHeaders)
+        }
+
+        return headers
+    }
+
+    async fetchWithErrorHandling(url, options = {}, timeout = 30000) {
+        const controller = new AbortController()
+        const timeoutId = setTimeout(() => controller.abort(), timeout)
+        
+        try {
+            const response = await fetch(url, {
+                ...options,
+                headers: { ...this.getHeaders(), ...options.headers },
+                signal: controller.signal
+            })
+
+            clearTimeout(timeoutId)
+
+            if (!response.ok) {
+                const errorText = await response.text()
+                throw new Error(`Server error (${response.status}): ${errorText}`)
+            }
+
+            return await response.json()
+        } catch (error) {
+            clearTimeout(timeoutId)
+            
+            if (error.name === 'AbortError') {
+                throw new Error('Request timed out. Please try again.')
+            } else if (error.message.includes('Failed to fetch')) {
+                throw new Error('Network error. Please check your connection and try again.')
+            } else {
+                throw error
+            }
+        }
+    }
+
+    disconnect() {
+        if (this.progressInterval) {
+            clearInterval(this.progressInterval)
+        }
+    }
+
+    startProgressUpdates() {
+        // Progress updates are handled via page reload for better reliability
+        // No need for periodic updates since state changes trigger page refresh
+    }
+
+    restoreScrollPosition() {
+        const savedPosition = sessionStorage.getItem('bulkImportScrollPosition')
+        if (savedPosition) {
+            // Restore scroll position after a small delay to ensure page is fully loaded
+            setTimeout(() => {
+                window.scrollTo(0, parseInt(savedPosition))
+                // Clear the saved position so it doesn't interfere with normal navigation
+                sessionStorage.removeItem('bulkImportScrollPosition')
+            }, 100)
+        }
+    }
+
+    async markCompleted(event) {
+        const partId = event.currentTarget.dataset.partId
+        
+        try {
+            const url = this.markCompletedUrlValue.replace('__PART_ID__', partId)
+            const data = await this.fetchWithErrorHandling(url, { method: 'POST' })
+            
+            if (data.success) {
+                this.updateProgressDisplay(data)
+                this.markRowAsCompleted(partId)
+                
+                if (data.job_completed) {
+                    this.showJobCompletedMessage()
+                }
+            } else {
+                this.showErrorMessage(data.error || 'Failed to mark part as completed')
+            }
+        } catch (error) {
+            console.error('Error marking part as completed:', error)
+            this.showErrorMessage(error.message || 'Failed to mark part as completed')
+        }
+    }
+
+    async markSkipped(event) {
+        const partId = event.currentTarget.dataset.partId
+        const reason = prompt('Reason for skipping (optional):') || ''
+        
+        try {
+            const url = this.markSkippedUrlValue.replace('__PART_ID__', partId)
+            const data = await this.fetchWithErrorHandling(url, {
+                method: 'POST',
+                body: JSON.stringify({ reason })
+            })
+            
+            if (data.success) {
+                this.updateProgressDisplay(data)
+                this.markRowAsSkipped(partId)
+            } else {
+                this.showErrorMessage(data.error || 'Failed to mark part as skipped')
+            }
+        } catch (error) {
+            console.error('Error marking part as skipped:', error)
+            this.showErrorMessage(error.message || 'Failed to mark part as skipped')
+        }
+    }
+
+    async markPending(event) {
+        const partId = event.currentTarget.dataset.partId
+        
+        try {
+            const url = this.markPendingUrlValue.replace('__PART_ID__', partId)
+            const data = await this.fetchWithErrorHandling(url, { method: 'POST' })
+            
+            if (data.success) {
+                this.updateProgressDisplay(data)
+                this.markRowAsPending(partId)
+            } else {
+                this.showErrorMessage(data.error || 'Failed to mark part as pending')
+            }
+        } catch (error) {
+            console.error('Error marking part as pending:', error)
+            this.showErrorMessage(error.message || 'Failed to mark part as pending')
+        }
+    }
+
+    updateProgressDisplay(data) {
+        if (this.hasProgressBarTarget) {
+            this.progressBarTarget.style.width = `${data.progress}%`
+            this.progressBarTarget.setAttribute('aria-valuenow', data.progress)
+        }
+        
+        if (this.hasProgressTextTarget) {
+            this.progressTextTarget.textContent = `${data.completed_count} / ${data.total_count} completed`
+        }
+    }
+
+    markRowAsCompleted(partId) {
+        // Save scroll position and refresh page to show updated state
+        sessionStorage.setItem('bulkImportScrollPosition', window.scrollY.toString())
+        window.location.reload()
+    }
+
+    markRowAsSkipped(partId) {
+        // Save scroll position and refresh page to show updated state
+        sessionStorage.setItem('bulkImportScrollPosition', window.scrollY.toString())
+        window.location.reload()
+    }
+
+    markRowAsPending(partId) {
+        // Save scroll position and refresh page to show updated state
+        sessionStorage.setItem('bulkImportScrollPosition', window.scrollY.toString())
+        window.location.reload()
+    }
+
+    showJobCompletedMessage() {
+        const alert = document.createElement('div')
+        alert.className = 'alert alert-success alert-dismissible fade show'
+        alert.innerHTML = `
+            <i class="fas fa-check-circle"></i>
+            Job completed! All parts have been processed.
+            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+        `
+        
+        const container = document.querySelector('.card-body')
+        container.insertBefore(alert, container.firstChild)
+    }
+
+    async researchPart(event) {
+        event.preventDefault()
+        event.stopPropagation()
+        
+        const partId = event.currentTarget.dataset.partId
+        const spinner = event.currentTarget.querySelector(`[data-research-spinner="${partId}"]`)
+        const button = event.currentTarget
+        
+        // Show loading state
+        if (spinner) {
+            spinner.style.display = 'inline-block'
+        }
+        button.disabled = true
+        
+        try {
+            const url = this.researchUrlValue.replace('__PART_ID__', partId)
+            const controller = new AbortController()
+            const timeoutId = setTimeout(() => controller.abort(), 30000) // 30 second timeout
+            
+            const response = await fetch(url, {
+                method: 'POST',
+                headers: this.getHeaders(),
+                signal: controller.signal
+            })
+
+            clearTimeout(timeoutId)
+
+            if (!response.ok) {
+                const errorText = await response.text()
+                throw new Error(`Server error (${response.status}): ${errorText}`)
+            }
+
+            const data = await response.json()
+            
+            if (data.success) {
+                this.showSuccessMessage(`Research completed for part. Found ${data.results_count} results.`)
+                // Save scroll position and reload to show updated results
+                sessionStorage.setItem('bulkImportScrollPosition', window.scrollY.toString())
+                window.location.reload()
+            } else {
+                this.showErrorMessage(data.error || 'Research failed')
+            }
+        } catch (error) {
+            console.error('Error researching part:', error)
+            
+            if (error.name === 'AbortError') {
+                this.showErrorMessage('Research timed out. Please try again.')
+            } else if (error.message.includes('Failed to fetch')) {
+                this.showErrorMessage('Network error. Please check your connection and try again.')
+            } else {
+                this.showErrorMessage(error.message || 'Research failed due to an unexpected error')
+            }
+        } finally {
+            // Hide loading state
+            if (spinner) {
+                spinner.style.display = 'none'
+            }
+            button.disabled = false
+        }
+    }
+
+    async researchAllParts(event) {
+        event.preventDefault()
+        event.stopPropagation()
+        
+        const spinner = document.getElementById('research-all-spinner')
+        const button = event.currentTarget
+        
+        // Show loading state
+        if (spinner) {
+            spinner.style.display = 'inline-block'
+        }
+        button.disabled = true
+        
+        try {
+            const controller = new AbortController()
+            const timeoutId = setTimeout(() => controller.abort(), 120000) // 2 minute timeout for bulk operations
+            
+            const response = await fetch(this.researchAllUrlValue, {
+                method: 'POST',
+                headers: this.getHeaders(),
+                signal: controller.signal
+            })
+
+            clearTimeout(timeoutId)
+
+            if (!response.ok) {
+                const errorText = await response.text()
+                throw new Error(`Server error (${response.status}): ${errorText}`)
+            }
+
+            const data = await response.json()
+            
+            if (data.success) {
+                this.showSuccessMessage(`Research completed for ${data.researched_count} parts.`)
+                // Save scroll position and reload to show updated results
+                sessionStorage.setItem('bulkImportScrollPosition', window.scrollY.toString())
+                window.location.reload()
+            } else {
+                this.showErrorMessage(data.error || 'Bulk research failed')
+            }
+        } catch (error) {
+            console.error('Error researching all parts:', error)
+            
+            if (error.name === 'AbortError') {
+                this.showErrorMessage('Bulk research timed out. This may happen with large batches. Please try again or process smaller batches.')
+            } else if (error.message.includes('Failed to fetch')) {
+                this.showErrorMessage('Network error. Please check your connection and try again.')
+            } else {
+                this.showErrorMessage(error.message || 'Bulk research failed due to an unexpected error')
+            }
+        } finally {
+            // Hide loading state
+            if (spinner) {
+                spinner.style.display = 'none'
+            }
+            button.disabled = false
+        }
+    }
+
+    showSuccessMessage(message) {
+        this.showToast('success', message)
+    }
+
+    showErrorMessage(message) {
+        this.showToast('error', message)
+    }
+
+    showToast(type, message) {
+        // Create a simple alert that doesn't disrupt layout
+        const alertId = 'alert-' + Date.now()
+        const iconClass = type === 'success' ? 'fa-check-circle' : 'fa-exclamation-triangle'
+        const alertClass = type === 'success' ? 'alert-success' : 'alert-danger'
+        
+        const alertHTML = `
+            <div class="alert ${alertClass} alert-dismissible fade show position-fixed" 
+                 style="top: 20px; right: 20px; z-index: 9999; max-width: 400px;" 
+                 id="${alertId}">
+                <i class="fas ${iconClass} me-2"></i>
+                ${message}
+                <button type="button" class="btn-close" onclick="this.parentElement.remove()" aria-label="Close"></button>
+            </div>
+        `
+        
+        // Add alert to body
+        document.body.insertAdjacentHTML('beforeend', alertHTML)
+        
+        // Auto-remove after 5 seconds
+        setTimeout(() => {
+            const alertElement = document.getElementById(alertId)
+            if (alertElement) {
+                alertElement.remove()
+            }
+        }, 5000)
+    }
+}

assets/controllers/bulk_job_manage_controller.js

@@ -0,0 +1,92 @@
+import { Controller } from "@hotwired/stimulus"
+import { generateCsrfHeaders } from "./csrf_protection_controller"
+
+export default class extends Controller {
+    static values = {
+        deleteUrl: String,
+        stopUrl: String,
+        deleteConfirmMessage: String,
+        stopConfirmMessage: String
+    }
+
+    connect() {
+        // Controller initialized
+    }
+    getHeaders() {
+        const headers = {
+            'X-Requested-With': 'XMLHttpRequest'
+        }
+
+        // Add CSRF headers if available
+        const form = document.querySelector('form')
+        if (form) {
+            const csrfHeaders = generateCsrfHeaders(form)
+            Object.assign(headers, csrfHeaders)
+        }
+
+        return headers
+    }
+    async deleteJob(event) {
+        const jobId = event.currentTarget.dataset.jobId
+        const confirmMessage = this.deleteConfirmMessageValue || 'Are you sure you want to delete this job?'
+        
+        if (confirm(confirmMessage)) {
+            try {
+                const deleteUrl = this.deleteUrlValue.replace('__JOB_ID__', jobId)
+                
+                const response = await fetch(deleteUrl, {
+                    method: 'DELETE',
+                    headers: this.getHeaders()
+                })
+                
+                if (!response.ok) {
+                    const errorText = await response.text()
+                    throw new Error(`HTTP ${response.status}: ${errorText}`)
+                }
+                
+                const data = await response.json()
+                
+                if (data.success) {
+                    location.reload()
+                } else {
+                    alert('Error deleting job: ' + (data.error || 'Unknown error'))
+                }
+            } catch (error) {
+                console.error('Error deleting job:', error)
+                alert('Error deleting job: ' + error.message)
+            }
+        }
+    }
+
+    async stopJob(event) {
+        const jobId = event.currentTarget.dataset.jobId
+        const confirmMessage = this.stopConfirmMessageValue || 'Are you sure you want to stop this job?'
+        
+        if (confirm(confirmMessage)) {
+            try {
+                const stopUrl = this.stopUrlValue.replace('__JOB_ID__', jobId)
+                
+                const response = await fetch(stopUrl, {
+                    method: 'POST',
+                    headers: this.getHeaders()
+                })
+                
+                if (!response.ok) {
+                    const errorText = await response.text()
+                    throw new Error(`HTTP ${response.status}: ${errorText}`)
+                }
+                
+                const data = await response.json()
+                
+                if (data.success) {
+                    location.reload()
+                } else {
+                    alert('Error stopping job: ' + (data.error || 'Unknown error'))
+                }
+            } catch (error) {
+                console.error('Error stopping job:', error)
+                alert('Error stopping job: ' + error.message)
+            }
+        }
+    }
+}

assets/controllers/field_mapping_controller.js

@@ -0,0 +1,136 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+    static targets = ["tbody", "addButton", "submitButton"]
+    static values = { 
+        mappingIndex: Number,
+        maxMappings: Number,
+        prototype: String,
+        maxMappingsReachedMessage: String
+    }
+
+    connect() {
+        this.updateAddButtonState()
+        this.updateFieldOptions()
+        this.attachEventListeners()
+    }
+
+    attachEventListeners() {
+        // Add event listeners to existing field selects
+        const fieldSelects = this.tbodyTarget.querySelectorAll('select[name*="[field]"]')
+        fieldSelects.forEach(select => {
+            select.addEventListener('change', this.updateFieldOptions.bind(this))
+        })
+
+        // Note: Add button click is handled by Stimulus action in template (data-action="click->field-mapping#addMapping")
+        // No manual event listener needed
+
+        // Form submit handler
+        const form = this.element.querySelector('form')
+        if (form && this.hasSubmitButtonTarget) {
+            form.addEventListener('submit', this.handleFormSubmit.bind(this))
+        }
+    }
+
+    addMapping() {
+        const currentMappings = this.tbodyTarget.querySelectorAll('.mapping-row').length
+
+        if (currentMappings >= this.maxMappingsValue) {
+            alert(this.maxMappingsReachedMessageValue)
+            return
+        }
+
+        const newRowHtml = this.prototypeValue.replace(/__name__/g, this.mappingIndexValue)
+        const tempDiv = document.createElement('div')
+        tempDiv.innerHTML = newRowHtml
+
+        const fieldWidget = tempDiv.querySelector('select[name*="[field]"]') || tempDiv.children[0]
+        const providerWidget = tempDiv.querySelector('select[name*="[providers]"]') || tempDiv.children[1]
+        const priorityWidget = tempDiv.querySelector('input[name*="[priority]"]') || tempDiv.children[2]
+
+        const newRow = document.createElement('tr')
+        newRow.className = 'mapping-row'
+        newRow.innerHTML = `
+            <td>${fieldWidget ? fieldWidget.outerHTML : ''}</td>
+            <td>${providerWidget ? providerWidget.outerHTML : ''}</td>
+            <td>${priorityWidget ? priorityWidget.outerHTML : ''}</td>
+            <td>
+                <button type="button" class="btn btn-danger btn-sm" data-action="click->field-mapping#removeMapping">
+                    <i class="fas fa-trash"></i>
+                </button>
+            </td>
+        `
+
+        this.tbodyTarget.appendChild(newRow)
+        this.mappingIndexValue++
+
+        const newFieldSelect = newRow.querySelector('select[name*="[field]"]')
+        if (newFieldSelect) {
+            newFieldSelect.value = ''
+            newFieldSelect.addEventListener('change', this.updateFieldOptions.bind(this))
+        }
+
+        this.updateFieldOptions()
+        this.updateAddButtonState()
+    }
+
+    removeMapping(event) {
+        const row = event.target.closest('tr')
+        row.remove()
+        this.updateFieldOptions()
+        this.updateAddButtonState()
+    }
+
+    updateFieldOptions() {
+        const fieldSelects = this.tbodyTarget.querySelectorAll('select[name*="[field]"]')
+        
+        const selectedFields = Array.from(fieldSelects)
+            .map(select => select.value)
+            .filter(value => value && value !== '')
+        
+        fieldSelects.forEach(select => {
+            Array.from(select.options).forEach(option => {
+                const isCurrentValue = option.value === select.value
+                const isEmptyOption = !option.value || option.value === ''
+                const isAlreadySelected = selectedFields.includes(option.value)
+                
+                if (!isEmptyOption && isAlreadySelected && !isCurrentValue) {
+                    option.disabled = true
+                    option.style.display = 'none'
+                } else {
+                    option.disabled = false
+                    option.style.display = ''
+                }
+            })
+        })
+    }
+
+    updateAddButtonState() {
+        const currentMappings = this.tbodyTarget.querySelectorAll('.mapping-row').length
+        
+        if (this.hasAddButtonTarget) {
+            if (currentMappings >= this.maxMappingsValue) {
+                this.addButtonTarget.disabled = true
+                this.addButtonTarget.title = this.maxMappingsReachedMessageValue
+            } else {
+                this.addButtonTarget.disabled = false
+                this.addButtonTarget.title = ''
+            }
+        }
+    }
+
+    handleFormSubmit(event) {
+        if (this.hasSubmitButtonTarget) {
+            this.submitButtonTarget.disabled = true
+            
+            // Disable the entire form to prevent changes during processing
+            const form = event.target
+            const formElements = form.querySelectorAll('input, select, textarea, button')
+            formElements.forEach(element => {
+                if (element !== this.submitButtonTarget) {
+                    element.disabled = true
+                }
+            })
+        }
+    }
+}

assets/css/app/tables.css

@@ -94,6 +94,11 @@ th.select-checkbox {
     display: inline-flex;
 }
 
+/** Add spacing between column visibility button and length menu */
+.buttons-colvis {
+    margin-right: 0.2em !important;
+}
+
 /** Fix datatables select-checkbox position */
 table.dataTable tr.selected td.select-checkbox:after
 {

composer.json

@@ -45,6 +45,7 @@
         "omines/datatables-bundle": "^0.10.0",
         "paragonie/sodium_compat": "^1.21",
         "part-db/label-fonts": "^1.0",
+        "phpoffice/phpspreadsheet": "^5.0.0",
         "rhukster/dom-sanitizer": "^1.0",
         "runtime/frankenphp-symfony": "^0.2.0",
         "s9e/text-formatter": "^2.1",
@@ -157,7 +158,7 @@
         "post-update-cmd": [
             "@auto-scripts"
         ],
-        "phpstan": "vendor/bin/phpstan analyse src --level 5 --memory-limit 1G"
+        "phpstan": "php -d memory_limit=1G vendor/bin/phpstan analyse src --level 5"
     },
     "conflict": {
         "symfony/symfony": "*"

composer.lock

@@ -2500,6 +2500,85 @@
             ],
             "time": "2022-01-17T14:14:24+00:00"
         },
+        {
+            "name": "composer/pcre",
+            "version": "3.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/pcre.git",
+                "reference": "b2bed4734f0cc156ee1fe9c0da2550420d99a21e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/pcre/zipball/b2bed4734f0cc156ee1fe9c0da2550420d99a21e",
+                "reference": "b2bed4734f0cc156ee1fe9c0da2550420d99a21e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan": "<1.11.10"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^1.12 || ^2",
+                "phpstan/phpstan-strict-rules": "^1 || ^2",
+                "phpunit/phpunit": "^8 || ^9"
+            },
+            "type": "library",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "extension.neon"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-main": "3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Pcre\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "PCRE wrapping library that offers type-safe preg_* replacements.",
+            "keywords": [
+                "PCRE",
+                "preg",
+                "regex",
+                "regular expression"
+            ],
+            "support": {
+                "issues": "https://github.com/composer/pcre/issues",
+                "source": "https://github.com/composer/pcre/tree/3.3.2"
+            },
+            "funding": [
+                {
+                    "url": "https://packagist.com",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/composer",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-11-12T16:29:46+00:00"
+        },
         {
             "name": "daverandom/libdns",
             "version": "v2.1.0",
@@ -6315,6 +6394,191 @@
             },
             "time": "2023-07-31T13:36:50+00:00"
         },
+        {
+            "name": "maennchen/zipstream-php",
+            "version": "3.1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/maennchen/ZipStream-PHP.git",
+                "reference": "aeadcf5c412332eb426c0f9b4485f6accba2a99f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/maennchen/ZipStream-PHP/zipball/aeadcf5c412332eb426c0f9b4485f6accba2a99f",
+                "reference": "aeadcf5c412332eb426c0f9b4485f6accba2a99f",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "ext-zlib": "*",
+                "php-64bit": "^8.2"
+            },
+            "require-dev": {
+                "brianium/paratest": "^7.7",
+                "ext-zip": "*",
+                "friendsofphp/php-cs-fixer": "^3.16",
+                "guzzlehttp/guzzle": "^7.5",
+                "mikey179/vfsstream": "^1.6",
+                "php-coveralls/php-coveralls": "^2.5",
+                "phpunit/phpunit": "^11.0",
+                "vimeo/psalm": "^6.0"
+            },
+            "suggest": {
+                "guzzlehttp/psr7": "^2.4",
+                "psr/http-message": "^2.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ZipStream\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paul Duncan",
+                    "email": "pabs@pablotron.org"
+                },
+                {
+                    "name": "Jonatan Männchen",
+                    "email": "jonatan@maennchen.ch"
+                },
+                {
+                    "name": "Jesse Donat",
+                    "email": "donatj@gmail.com"
+                },
+                {
+                    "name": "András Kolesár",
+                    "email": "kolesar@kolesar.hu"
+                }
+            ],
+            "description": "ZipStream is a library for dynamically streaming dynamic zip files from PHP without writing to the disk at all on the server.",
+            "keywords": [
+                "stream",
+                "zip"
+            ],
+            "support": {
+                "issues": "https://github.com/maennchen/ZipStream-PHP/issues",
+                "source": "https://github.com/maennchen/ZipStream-PHP/tree/3.1.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/maennchen",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-01-27T12:07:53+00:00"
+        },
+        {
+            "name": "markbaker/complex",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MarkBaker/PHPComplex.git",
+                "reference": "95c56caa1cf5c766ad6d65b6344b807c1e8405b9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MarkBaker/PHPComplex/zipball/95c56caa1cf5c766ad6d65b6344b807c1e8405b9",
+                "reference": "95c56caa1cf5c766ad6d65b6344b807c1e8405b9",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2 || ^8.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "squizlabs/php_codesniffer": "^3.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Complex\\": "classes/src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mark Baker",
+                    "email": "mark@lange.demon.co.uk"
+                }
+            ],
+            "description": "PHP Class for working with complex numbers",
+            "homepage": "https://github.com/MarkBaker/PHPComplex",
+            "keywords": [
+                "complex",
+                "mathematics"
+            ],
+            "support": {
+                "issues": "https://github.com/MarkBaker/PHPComplex/issues",
+                "source": "https://github.com/MarkBaker/PHPComplex/tree/3.0.2"
+            },
+            "time": "2022-12-06T16:21:08+00:00"
+        },
+        {
+            "name": "markbaker/matrix",
+            "version": "3.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MarkBaker/PHPMatrix.git",
+                "reference": "728434227fe21be27ff6d86621a1b13107a2562c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/728434227fe21be27ff6d86621a1b13107a2562c",
+                "reference": "728434227fe21be27ff6d86621a1b13107a2562c",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpdocumentor/phpdocumentor": "2.*",
+                "phploc/phploc": "^4.0",
+                "phpmd/phpmd": "2.*",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+                "sebastian/phpcpd": "^4.0",
+                "squizlabs/php_codesniffer": "^3.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Matrix\\": "classes/src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mark Baker",
+                    "email": "mark@demon-angel.eu"
+                }
+            ],
+            "description": "PHP Class for working with matrices",
+            "homepage": "https://github.com/MarkBaker/PHPMatrix",
+            "keywords": [
+                "mathematics",
+                "matrix",
+                "vector"
+            ],
+            "support": {
+                "issues": "https://github.com/MarkBaker/PHPMatrix/issues",
+                "source": "https://github.com/MarkBaker/PHPMatrix/tree/3.0.1"
+            },
+            "time": "2022-12-02T22:17:43+00:00"
+        },
         {
             "name": "masterminds/html5",
             "version": "2.10.0",
@@ -8110,6 +8374,112 @@
             },
             "time": "2024-11-09T15:12:26+00:00"
         },
+        {
+            "name": "phpoffice/phpspreadsheet",
+            "version": "5.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
+                "reference": "d88efcac2444cde18e17684178de02b25dff2050"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/d88efcac2444cde18e17684178de02b25dff2050",
+                "reference": "d88efcac2444cde18e17684178de02b25dff2050",
+                "shasum": ""
+            },
+            "require": {
+                "composer/pcre": "^1||^2||^3",
+                "ext-ctype": "*",
+                "ext-dom": "*",
+                "ext-fileinfo": "*",
+                "ext-gd": "*",
+                "ext-iconv": "*",
+                "ext-libxml": "*",
+                "ext-mbstring": "*",
+                "ext-simplexml": "*",
+                "ext-xml": "*",
+                "ext-xmlreader": "*",
+                "ext-xmlwriter": "*",
+                "ext-zip": "*",
+                "ext-zlib": "*",
+                "maennchen/zipstream-php": "^2.1 || ^3.0",
+                "markbaker/complex": "^3.0",
+                "markbaker/matrix": "^3.0",
+                "php": "^8.1",
+                "psr/http-client": "^1.0",
+                "psr/http-factory": "^1.0",
+                "psr/simple-cache": "^1.0 || ^2.0 || ^3.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-main",
+                "dompdf/dompdf": "^2.0 || ^3.0",
+                "friendsofphp/php-cs-fixer": "^3.2",
+                "mitoteam/jpgraph": "^10.3",
+                "mpdf/mpdf": "^8.1.1",
+                "phpcompatibility/php-compatibility": "^9.3",
+                "phpstan/phpstan": "^1.1 || ^2.0",
+                "phpstan/phpstan-deprecation-rules": "^1.0 || ^2.0",
+                "phpstan/phpstan-phpunit": "^1.0 || ^2.0",
+                "phpunit/phpunit": "^10.5",
+                "squizlabs/php_codesniffer": "^3.7",
+                "tecnickcom/tcpdf": "^6.5"
+            },
+            "suggest": {
+                "dompdf/dompdf": "Option for rendering PDF with PDF Writer",
+                "ext-intl": "PHP Internationalization Functions",
+                "mitoteam/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers",
+                "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
+                "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "PhpOffice\\PhpSpreadsheet\\": "src/PhpSpreadsheet"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Maarten Balliauw",
+                    "homepage": "https://blog.maartenballiauw.be"
+                },
+                {
+                    "name": "Mark Baker",
+                    "homepage": "https://markbakeruk.net"
+                },
+                {
+                    "name": "Franck Lefevre",
+                    "homepage": "https://rootslabs.net"
+                },
+                {
+                    "name": "Erik Tilt"
+                },
+                {
+                    "name": "Adrien Crivelli"
+                }
+            ],
+            "description": "PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
+            "homepage": "https://github.com/PHPOffice/PhpSpreadsheet",
+            "keywords": [
+                "OpenXML",
+                "excel",
+                "gnumeric",
+                "ods",
+                "php",
+                "spreadsheet",
+                "xls",
+                "xlsx"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPOffice/PhpSpreadsheet/issues",
+                "source": "https://github.com/PHPOffice/PhpSpreadsheet/tree/5.0.0"
+            },
+            "time": "2025-08-10T06:18:27+00:00"
+        },
         {
             "name": "phpstan/phpdoc-parser",
             "version": "2.3.0",

config/parameters.yaml

@@ -104,3 +104,9 @@ parameters:
   env(SAML_ROLE_MAPPING): '{}'
 
   env(DATABASE_EMULATE_NATURAL_SORT): 0
+
+  ######################################################################################################################
+  # Bulk Info Provider Import Configuration
+  ######################################################################################################################
+  partdb.bulk_import.batch_size: 20                      # Number of parts to process in each batch during bulk operations
+  partdb.bulk_import.max_parts_per_operation: 1000       # Maximum number of parts allowed per bulk import operation

docs/assets/usage/import_export/part_import_example.csv

@@ -1,4 +1,7 @@
-name;description;category;notes;footprint;tags;quantity;storage_location;mass;ipn;mpn;manufacturing_status;manufacturer;supplier;spn;price;favorite;needs_review;minamount;partUnit;manufacturing_status
+name;description;category;notes;footprint;tags;quantity;storage_location;mass;ipn;mpn;manufacturing_status;manufacturer;supplier;spn;price;favorite;needs_review;minamount;partUnit;eda_info.reference_prefix;eda_info.value;eda_info.visibility;eda_info.exclude_from_bom;eda_info.exclude_from_board;eda_info.exclude_from_sim;eda_info.kicad_symbol;eda_info.kicad_footprint
-BC547;NPN transistor;Transistors -> NPN;very important notes;TO -> TO-92;NPN,Transistor;5;Room 1 -> Shelf 1 -> Box 2;10;;;Manufacturer;;You need to fill this line, to use spn and price;BC547C;2,3;0;;;;
+"MLCC; 0603; 0.22uF";Multilayer ceramic capacitor;Electrical Components->Passive Components->Capacitors_SMD;High quality MLCC;0603;Capacitor,SMD,MLCC,0603;500;Room 1->Shelf 1->Box 2;0.1;CL10B224KO8NNNC;CL10B224KO8NNNC;active;Samsung;LCSC;C160828;0.0023;0;0;1;pcs;C;0.22uF;1;0;0;0;Device:C;Capacitor_SMD:C_0603_1608Metric
-BC557;PNP transistor;<b>HTML</b>;;TO -> TO-92;PNP,Transistor;10;Room 2-> Box 3;;Internal1234;;;;;;;;1;;;active
+"MLCC; 0402; 10pF";Small MLCC for high frequency;Electrical Components->Passive Components->Capacitors_SMD;;0402;Capacitor,SMD,MLCC,0402;500;Room 1->Shelf 1->Box 3;0.05;FCC0402N100J500AT;FCC0402N100J500AT;active;Fenghua;LCSC;C5137557;0.0015;0;0;1;pcs;C;10pF;1;0;0;0;Device:C;Capacitor_SMD:C_0402_1005Metric
-Copper Wire;;Wire;;;;;;;;;;;;;;;;;Meter;
+"Diode; 1N4148W";Fast switching diode;Electrical Components->Semiconductors->Diodes;Fast recovery time;Diode_SMD:D_SOD-123;Diode,SMD,Schottky;100;Room 2->Box 1;0.2;1N4148W;1N4148W;active;Vishay;LCSC;C917030;0.008;0;0;1;pcs;D;1N4148W;1;0;0;0;Device:D;Diode_SMD:D_SOD-123
+BC547;NPN transistor;Transistors->NPN;very important notes;TO->TO-92;NPN,Transistor;5;Room 1->Shelf 1->Box 2;10;BC547;BC547;active;Generic;LCSC;BC547C;2.3;0;0;1;pcs;Q;BC547;1;0;0;0;Device:Q_NPN_EBC;TO_SOT_Packages_SMD:TO-92_HandSolder
+BC557;PNP transistor;Transistors->PNP;PNP complement to BC547;TO->TO-92;PNP,Transistor;10;Room 2->Box 3;10;BC557;BC557;active;Generic;LCSC;BC557C;2.1;0;0;1;pcs;Q;BC557;1;0;0;0;Device:Q_PNP_EBC;TO_SOT_Packages_SMD:TO-92_HandSolder
+Copper Wire;Bare copper wire;Wire->Copper;For prototyping;Wire;Wire,Copper;50;Room 3->Spool Rack;0.5;CW-22AWG;CW-22AWG;active;Generic;Local Supplier;LS-CW-22;0.15;0;0;1;Meter;W;22AWG;1;0;0;0;Device:Wire;Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical

docs/usage/import_export.md

@@ -142,6 +142,9 @@ You can select between the following export formats:
   efficiently.
 * **YAML** (Yet Another Markup Language): Very similar to JSON
 * **XML** (Extensible Markup Language): Good support with nested data structures. Similar use cases as JSON and YAML.
+* **Excel**: Similar to CSV, but in a native Excel format. Can be opened in Excel and LibreOffice Calc. Does not support nested
+  data structures or sub-data (like parameters, attachments, etc.), very well (many columns are generated, as every
+  possible sub-data is exported as a separate column).
 
 Also, you can select between the following export levels:
 

docs/usage/information_provider_system.md

@@ -68,6 +68,13 @@ If you already have attachment types for images and datasheets and want the info
 can
 add the alternative names "Datasheet" and "Image" to the alternative names field of the attachment types.
 
+## Bulk import
+
+If you want to update the information of multiple parts, you can use the bulk import system: Go to a part table and select
+the parts you want to update. In the bulk actions dropdown select "Bulk info provider import" and click "Apply".
+You will be redirected to a page, where you can select how part fields should be mapped to info provider fields, and the 
+results will be shown.
+
 ## Data providers
 
 The system tries to be as flexible as possible, so many different information sources can be used.

makefile

@@ -1,112 +1,91 @@
 # PartDB Makefile for Test Environment Management
 
-.PHONY: help test-setup test-clean test-db-create test-db-migrate test-cache-clear test-fixtures test-run dev-setup dev-clean dev-db-create dev-db-migrate dev-cache-clear dev-warmup dev-reset deps-install
+.PHONY: help deps-install lint format format-check test coverage pre-commit all test-typecheck \
+test-setup test-clean test-db-create test-db-migrate test-cache-clear test-fixtures test-run test-reset \
+section-dev dev-setup dev-clean dev-db-create dev-db-migrate dev-cache-clear dev-warmup dev-reset
 
 # Default target
-help:
+help: ## Show this help
-	@echo "PartDB Test Environment Management"
+	@awk 'BEGIN {FS = ":.*##"}; /^[a-zA-Z0-9][a-zA-Z0-9_-]+:.*##/ {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
-	@echo "=================================="
-	@echo ""
-	@echo "Available targets:"
-	@echo "  deps-install    - Install PHP dependencies with unlimited memory"
-	@echo ""
-	@echo "Development Environment:"
-	@echo "  dev-setup       - Complete development environment setup (clean, create DB, migrate, warmup)"
-	@echo "  dev-clean       - Clean development cache and database files"
-	@echo "  dev-db-create   - Create development database (if not exists)"
-	@echo "  dev-db-migrate  - Run database migrations for development environment"
-	@echo "  dev-cache-clear - Clear development cache"
-	@echo "  dev-warmup      - Warm up development cache"
-	@echo "  dev-reset       - Quick development reset (clean + migrate)"
-	@echo ""
-	@echo "Test Environment:"
-	@echo "  test-setup      - Complete test environment setup (clean, create DB, migrate, load fixtures)"
-	@echo "  test-clean      - Clean test cache and database files"
-	@echo "  test-db-create  - Create test database (if not exists)"
-	@echo "  test-db-migrate - Run database migrations for test environment"
-	@echo "  test-cache-clear- Clear test cache"
-	@echo "  test-fixtures   - Load test fixtures"
-	@echo "  test-run        - Run PHPUnit tests"
-	@echo ""
-	@echo "  help           - Show this help message"
 
-# Install PHP dependencies with unlimited memory
+# Dependencies
-deps-install:
+deps-install: ## Install PHP dependencies with unlimited memory
 	@echo "📦 Installing PHP dependencies..."
 	COMPOSER_MEMORY_LIMIT=-1 composer install
+	yarn install
 	@echo "✅ Dependencies installed"
 
 # Complete test environment setup
-test-setup: deps-install test-clean test-db-create test-db-migrate test-fixtures
+test-setup: test-clean test-db-create test-db-migrate test-fixtures ## Complete test setup (clean, create DB, migrate, fixtures)
 	@echo "✅ Test environment setup complete!"
 
 # Clean test environment
-test-clean:
+test-clean: ## Clean test cache and database files
 	@echo "🧹 Cleaning test environment..."
 	rm -rf var/cache/test
 	rm -f var/app_test.db
 	@echo "✅ Test environment cleaned"
 
 # Create test database
-test-db-create:
+test-db-create: ## Create test database (if not exists)
 	@echo "🗄️  Creating test database..."
 	-php bin/console doctrine:database:create --if-not-exists --env test || echo "⚠️  Database creation failed (expected for SQLite) - continuing..."
 
 # Run database migrations for test environment
-test-db-migrate:
+test-db-migrate: ## Run database migrations for test environment
 	@echo "🔄 Running database migrations..."
-	php -d memory_limit=1G bin/console doctrine:migrations:migrate -n --env test
+	COMPOSER_MEMORY_LIMIT=-1 php bin/console doctrine:migrations:migrate -n --env test
 
 # Clear test cache
-test-cache-clear:
+test-cache-clear: ## Clear test cache
 	@echo "🗑️  Clearing test cache..."
 	rm -rf var/cache/test
 	@echo "✅ Test cache cleared"
 
 # Load test fixtures
-test-fixtures:
+test-fixtures: ## Load test fixtures
 	@echo "📦 Loading test fixtures..."
 	php bin/console partdb:fixtures:load -n --env test
 
 # Run PHPUnit tests
-test-run:
+test-run: ## Run PHPUnit tests
 	@echo "🧪 Running tests..."
 	php bin/phpunit
 
-test-typecheck:
-	@echo "🧪 Running type checks..."
-	COMPOSER_MEMORY_LIMIT=-1 composer phpstan
-
 # Quick test reset (clean + migrate + fixtures, skip DB creation)
 test-reset: test-cache-clear test-db-migrate test-fixtures
 	@echo "✅ Test environment reset complete!"
 
+test-typecheck: ## Run static analysis (PHPStan)
+	@echo "🧪 Running type checks..."
+	COMPOSER_MEMORY_LIMIT=-1 composer phpstan
+
 # Development helpers
-dev-setup: deps-install dev-clean dev-db-create dev-db-migrate dev-warmup
+dev-setup: dev-clean dev-db-create dev-db-migrate dev-warmup ## Complete development setup (clean, create DB, migrate, warmup)
 	@echo "✅ Development environment setup complete!"
 
-dev-clean:
+dev-clean: ## Clean development cache and database files
 	@echo "🧹 Cleaning development environment..."
 	rm -rf var/cache/dev
 	rm -f var/app_dev.db
 	@echo "✅ Development environment cleaned"
 
-dev-db-create:
+dev-db-create: ## Create development database (if not exists)
 	@echo "🗄️  Creating development database..."
 	-php bin/console doctrine:database:create --if-not-exists --env dev || echo "⚠️  Database creation failed (expected for SQLite) - continuing..."
 
-dev-db-migrate:
+dev-db-migrate: ## Run database migrations for development environment
 	@echo "🔄 Running database migrations..."
-	php -d memory_limit=1G bin/console doctrine:migrations:migrate -n --env dev
+	COMPOSER_MEMORY_LIMIT=-1 php bin/console doctrine:migrations:migrate -n --env dev
 
-dev-cache-clear:
+dev-cache-clear: ## Clear development cache
 	@echo "🗑️  Clearing development cache..."
-	php -d memory_limit=1G bin/console cache:clear --env dev -n
+	rm -rf var/cache/dev
 	@echo "✅ Development cache cleared"
 
-dev-warmup:
+dev-warmup: ## Warm up development cache
 	@echo "🔥 Warming up development cache..."
-	php -d memory_limit=1G bin/console cache:warmup --env dev -n
+	COMPOSER_MEMORY_LIMIT=-1 php -d memory_limit=1G bin/console cache:warmup --env dev -n
 
-dev-reset: dev-cache-clear dev-db-migrate
+dev-reset: dev-cache-clear dev-db-migrate ## Quick development reset (cache clear + migrate)
 	@echo "✅ Development environment reset complete!" 

migrations/Version20250802205143.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use App\Migration\AbstractMultiPlatformMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250802205143 extends AbstractMultiPlatformMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add bulk info provider import jobs and job parts tables';
+    }
+
+    public function mySQLUp(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE bulk_info_provider_import_jobs (id INT AUTO_INCREMENT NOT NULL, name LONGTEXT NOT NULL, field_mappings LONGTEXT NOT NULL, search_results LONGTEXT NOT NULL, status VARCHAR(20) NOT NULL, created_at DATETIME NOT NULL, completed_at DATETIME DEFAULT NULL, prefetch_details TINYINT(1) NOT NULL, created_by_id INT NOT NULL, CONSTRAINT FK_7F58C1EDB03A8386 FOREIGN KEY (created_by_id) REFERENCES `users` (id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
+        $this->addSql('CREATE INDEX IDX_7F58C1EDB03A8386 ON bulk_info_provider_import_jobs (created_by_id)');
+
+        $this->addSql('CREATE TABLE bulk_info_provider_import_job_parts (id INT AUTO_INCREMENT NOT NULL, status VARCHAR(20) NOT NULL, reason LONGTEXT DEFAULT NULL, completed_at DATETIME DEFAULT NULL, job_id INT NOT NULL, part_id INT NOT NULL, CONSTRAINT FK_CD93F28FBE04EA9 FOREIGN KEY (job_id) REFERENCES bulk_info_provider_import_jobs (id), CONSTRAINT FK_CD93F28F4CE34BEC FOREIGN KEY (part_id) REFERENCES `parts` (id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
+        $this->addSql('CREATE INDEX IDX_CD93F28FBE04EA9 ON bulk_info_provider_import_job_parts (job_id)');
+        $this->addSql('CREATE INDEX IDX_CD93F28F4CE34BEC ON bulk_info_provider_import_job_parts (part_id)');
+        $this->addSql('CREATE UNIQUE INDEX unique_job_part ON bulk_info_provider_import_job_parts (job_id, part_id)');
+    }
+
+    public function mySQLDown(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE bulk_info_provider_import_job_parts');
+        $this->addSql('DROP TABLE bulk_info_provider_import_jobs');
+    }
+
+    public function sqLiteUp(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE bulk_info_provider_import_jobs (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, name CLOB NOT NULL, field_mappings CLOB NOT NULL, search_results CLOB NOT NULL, status VARCHAR(20) NOT NULL, created_at DATETIME NOT NULL, completed_at DATETIME DEFAULT NULL, prefetch_details BOOLEAN NOT NULL, created_by_id INTEGER NOT NULL, CONSTRAINT FK_7F58C1EDB03A8386 FOREIGN KEY (created_by_id) REFERENCES "users" (id) NOT DEFERRABLE INITIALLY IMMEDIATE)');
+        $this->addSql('CREATE INDEX IDX_7F58C1EDB03A8386 ON bulk_info_provider_import_jobs (created_by_id)');
+
+        $this->addSql('CREATE TABLE bulk_info_provider_import_job_parts (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, status VARCHAR(20) NOT NULL, reason CLOB DEFAULT NULL, completed_at DATETIME DEFAULT NULL, job_id INTEGER NOT NULL, part_id INTEGER NOT NULL, CONSTRAINT FK_CD93F28FBE04EA9 FOREIGN KEY (job_id) REFERENCES bulk_info_provider_import_jobs (id) NOT DEFERRABLE INITIALLY IMMEDIATE, CONSTRAINT FK_CD93F28F4CE34BEC FOREIGN KEY (part_id) REFERENCES "parts" (id) NOT DEFERRABLE INITIALLY IMMEDIATE)');
+        $this->addSql('CREATE INDEX IDX_CD93F28FBE04EA9 ON bulk_info_provider_import_job_parts (job_id)');
+        $this->addSql('CREATE INDEX IDX_CD93F28F4CE34BEC ON bulk_info_provider_import_job_parts (part_id)');
+        $this->addSql('CREATE UNIQUE INDEX unique_job_part ON bulk_info_provider_import_job_parts (job_id, part_id)');
+    }
+
+    public function sqLiteDown(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE bulk_info_provider_import_job_parts');
+        $this->addSql('DROP TABLE bulk_info_provider_import_jobs');
+    }
+
+    public function postgreSQLUp(Schema $schema): void
+    {
+        $this->addSql('CREATE TABLE bulk_info_provider_import_jobs (id SERIAL PRIMARY KEY NOT NULL, name TEXT NOT NULL, field_mappings TEXT NOT NULL, search_results TEXT NOT NULL, status VARCHAR(20) NOT NULL, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, completed_at TIMESTAMP(0) WITHOUT TIME ZONE DEFAULT NULL, prefetch_details BOOLEAN NOT NULL, created_by_id INT NOT NULL, CONSTRAINT FK_7F58C1EDB03A8386 FOREIGN KEY (created_by_id) REFERENCES users (id) NOT DEFERRABLE INITIALLY IMMEDIATE)');
+        $this->addSql('CREATE INDEX IDX_7F58C1EDB03A8386 ON bulk_info_provider_import_jobs (created_by_id)');
+
+        $this->addSql('CREATE TABLE bulk_info_provider_import_job_parts (id SERIAL PRIMARY KEY NOT NULL, status VARCHAR(20) NOT NULL, reason TEXT DEFAULT NULL, completed_at TIMESTAMP(0) WITHOUT TIME ZONE DEFAULT NULL, job_id INT NOT NULL, part_id INT NOT NULL, CONSTRAINT FK_CD93F28FBE04EA9 FOREIGN KEY (job_id) REFERENCES bulk_info_provider_import_jobs (id) NOT DEFERRABLE INITIALLY IMMEDIATE, CONSTRAINT FK_CD93F28F4CE34BEC FOREIGN KEY (part_id) REFERENCES parts (id) NOT DEFERRABLE INITIALLY IMMEDIATE)');
+        $this->addSql('CREATE INDEX IDX_CD93F28FBE04EA9 ON bulk_info_provider_import_job_parts (job_id)');
+        $this->addSql('CREATE INDEX IDX_CD93F28F4CE34BEC ON bulk_info_provider_import_job_parts (part_id)');
+        $this->addSql('CREATE UNIQUE INDEX unique_job_part ON bulk_info_provider_import_job_parts (job_id, part_id)');
+    }
+
+    public function postgreSQLDown(Schema $schema): void
+    {
+        $this->addSql('DROP TABLE bulk_info_provider_import_job_parts');
+        $this->addSql('DROP TABLE bulk_info_provider_import_jobs');
+    }
+}

src/Controller/BulkInfoProviderImportController.php

@@ -0,0 +1,588 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use App\Entity\Parts\Part;
+use App\Entity\Parts\Supplier;
+use App\Entity\UserSystem\User;
+use App\Form\InfoProviderSystem\GlobalFieldMappingType;
+use App\Services\InfoProviderSystem\BulkInfoProviderService;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+#[Route('/tools/bulk_info_provider_import')]
+class BulkInfoProviderImportController extends AbstractController
+{
+    public function __construct(
+        private readonly BulkInfoProviderService $bulkService,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly LoggerInterface $logger,
+        #[Autowire(param: 'partdb.bulk_import.batch_size')]
+        private readonly int $bulkImportBatchSize,
+        #[Autowire(param: 'partdb.bulk_import.max_parts_per_operation')]
+        private readonly int $bulkImportMaxParts
+    ) {
+    }
+
+    /**
+     * Convert field mappings from array format to FieldMappingDTO[].
+     *
+     * @param array $fieldMappings Array of field mapping arrays
+     * @return BulkSearchFieldMappingDTO[] Array of FieldMappingDTO objects
+     */
+    private function convertFieldMappingsToDto(array $fieldMappings): array
+    {
+        $dtos = [];
+        foreach ($fieldMappings as $mapping) {
+            $dtos[] = new BulkSearchFieldMappingDTO(field: $mapping['field'], providers: $mapping['providers'], priority: $mapping['priority'] ?? 1);
+        }
+        return $dtos;
+    }
+
+    private function createErrorResponse(string $message, int $statusCode = 400, array $context = []): JsonResponse
+    {
+        $this->logger->warning('Bulk import operation failed', array_merge([
+            'error' => $message,
+            'user' => $this->getUser()?->getUserIdentifier(),
+        ], $context));
+
+        return $this->json([
+            'success' => false,
+            'error' => $message
+        ], $statusCode);
+    }
+
+    private function validateJobAccess(int $jobId): ?BulkInfoProviderImportJob
+    {
+        $this->denyAccessUnlessGranted('@info_providers.create_parts');
+
+        $job = $this->entityManager->getRepository(BulkInfoProviderImportJob::class)->find($jobId);
+
+        if (!$job) {
+            return null;
+        }
+
+        if ($job->getCreatedBy() !== $this->getUser()) {
+            return null;
+        }
+
+        return $job;
+    }
+
+    private function updatePartSearchResults(BulkInfoProviderImportJob $job, ?BulkSearchPartResultsDTO $newResults): void
+    {
+        if ($newResults === null) {
+            return;
+        }
+
+        // Only deserialize and update if we have new results
+        $allResults = $job->getSearchResults($this->entityManager);
+
+        // Find and update the results for this specific part
+        $allResults = $allResults->replaceResultsForPart($newResults);
+
+        // Save updated results back to job
+        $job->setSearchResults($allResults);
+    }
+
+    #[Route('/step1', name: 'bulk_info_provider_step1')]
+    public function step1(Request $request): Response
+    {
+        $this->denyAccessUnlessGranted('@info_providers.create_parts');
+
+        set_time_limit(600);
+
+        $ids = $request->query->get('ids');
+        if (!$ids) {
+            $this->addFlash('error', 'No parts selected for bulk import');
+            return $this->redirectToRoute('homepage');
+        }
+
+        $partIds = explode(',', $ids);
+        $partRepository = $this->entityManager->getRepository(Part::class);
+        $parts = $partRepository->getElementsFromIDArray($partIds);
+
+        if (empty($parts)) {
+            $this->addFlash('error', 'No valid parts found for bulk import');
+            return $this->redirectToRoute('homepage');
+        }
+
+        // Validate against configured maximum
+        if (count($parts) > $this->bulkImportMaxParts) {
+            $this->addFlash('error', sprintf(
+                'Too many parts selected (%d). Maximum allowed is %d parts per operation.',
+                count($parts),
+                $this->bulkImportMaxParts
+            ));
+            return $this->redirectToRoute('homepage');
+        }
+
+        if (count($parts) > ($this->bulkImportMaxParts / 2)) {
+            $this->addFlash('warning', 'Processing ' . count($parts) . ' parts may take several minutes and could timeout. Consider processing smaller batches.');
+        }
+
+        // Generate field choices
+        $fieldChoices = [
+            'info_providers.bulk_search.field.mpn' => 'mpn',
+            'info_providers.bulk_search.field.name' => 'name',
+        ];
+
+        // Add dynamic supplier fields
+        $suppliers = $this->entityManager->getRepository(Supplier::class)->findAll();
+        foreach ($suppliers as $supplier) {
+            $supplierKey = strtolower(str_replace([' ', '-', '_'], '_', $supplier->getName()));
+            $fieldChoices["Supplier: " . $supplier->getName() . " (SPN)"] = $supplierKey . '_spn';
+        }
+
+        // Initialize form with useful default mappings
+        $initialData = [
+            'field_mappings' => [
+                ['field' => 'mpn', 'providers' => [], 'priority' => 1]
+            ],
+            'prefetch_details' => false
+        ];
+
+        $form = $this->createForm(GlobalFieldMappingType::class, $initialData, [
+            'field_choices' => $fieldChoices
+        ]);
+        $form->handleRequest($request);
+
+        $searchResults = null;
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $formData = $form->getData();
+            $fieldMappingDtos = $this->convertFieldMappingsToDto($formData['field_mappings']);
+            $prefetchDetails = $formData['prefetch_details'] ?? false;
+
+            $user = $this->getUser();
+            if (!$user instanceof User) {
+                throw new \RuntimeException('User must be authenticated and of type User');
+            }
+
+            // Validate part count against configuration limit
+            if (count($parts) > $this->bulkImportMaxParts) {
+                $this->addFlash('error', "Too many parts selected. Maximum allowed: {$this->bulkImportMaxParts}");
+                $partIds = array_map(fn($part) => $part->getId(), $parts);
+                return $this->redirectToRoute('bulk_info_provider_step1', ['ids' => implode(',', $partIds)]);
+            }
+
+            // Create and save the job
+            $job = new BulkInfoProviderImportJob();
+            $job->setFieldMappings($fieldMappingDtos);
+            $job->setPrefetchDetails($prefetchDetails);
+            $job->setCreatedBy($user);
+
+            foreach ($parts as $part) {
+                $jobPart = new BulkInfoProviderImportJobPart($job, $part);
+                $job->addJobPart($jobPart);
+            }
+
+            $this->entityManager->persist($job);
+            $this->entityManager->flush();
+
+            try {
+                $searchResultsDto = $this->bulkService->performBulkSearch($parts, $fieldMappingDtos, $prefetchDetails);
+
+                // Save search results to job
+                $job->setSearchResults($searchResultsDto);
+                $job->markAsInProgress();
+                $this->entityManager->flush();
+
+                // Prefetch details if requested
+                if ($prefetchDetails) {
+                    $this->bulkService->prefetchDetailsForResults($searchResultsDto);
+                }
+
+                return $this->redirectToRoute('bulk_info_provider_step2', ['jobId' => $job->getId()]);
+
+            } catch (\Exception $e) {
+                $this->logger->error('Critical error during bulk import search', [
+                    'job_id' => $job->getId(),
+                    'error' => $e->getMessage(),
+                    'exception' => $e
+                ]);
+
+                $this->entityManager->remove($job);
+                $this->entityManager->flush();
+
+                $this->addFlash('error', 'Search failed due to an error: ' . $e->getMessage());
+                $partIds = array_map(fn($part) => $part->getId(), $parts);
+                return $this->redirectToRoute('bulk_info_provider_step1', ['ids' => implode(',', $partIds)]);
+            }
+        }
+
+        // Get existing in-progress jobs for current user
+        $existingJobs = $this->entityManager->getRepository(BulkInfoProviderImportJob::class)
+            ->findBy(['createdBy' => $this->getUser(), 'status' => BulkImportJobStatus::IN_PROGRESS], ['createdAt' => 'DESC'], 10);
+
+        return $this->render('info_providers/bulk_import/step1.html.twig', [
+            'form' => $form,
+            'parts' => $parts,
+            'search_results' => $searchResults,
+            'existing_jobs' => $existingJobs,
+            'fieldChoices' => $fieldChoices
+        ]);
+    }
+
+    #[Route('/manage', name: 'bulk_info_provider_manage')]
+    public function manageBulkJobs(): Response
+    {
+        $this->denyAccessUnlessGranted('@info_providers.create_parts');
+
+        // Get all jobs for current user
+        $allJobs = $this->entityManager->getRepository(BulkInfoProviderImportJob::class)
+            ->findBy([], ['createdAt' => 'DESC']);
+
+        // Check and auto-complete jobs that should be completed
+        // Also clean up jobs with no results (failed searches)
+        $updatedJobs = false;
+        $jobsToDelete = [];
+
+        foreach ($allJobs as $job) {
+            if ($job->isAllPartsCompleted() && !$job->isCompleted()) {
+                $job->markAsCompleted();
+                $updatedJobs = true;
+            }
+
+            // Mark jobs with no results for deletion (failed searches)
+            if ($job->getResultCount() === 0 && $job->isInProgress()) {
+                $jobsToDelete[] = $job;
+            }
+        }
+
+        // Delete failed jobs
+        foreach ($jobsToDelete as $job) {
+            $this->entityManager->remove($job);
+            $updatedJobs = true;
+        }
+
+        // Flush changes if any jobs were updated
+        if ($updatedJobs) {
+            $this->entityManager->flush();
+
+            if (!empty($jobsToDelete)) {
+                $this->addFlash('info', 'Cleaned up ' . count($jobsToDelete) . ' failed job(s) with no results.');
+            }
+        }
+
+        return $this->render('info_providers/bulk_import/manage.html.twig', [
+            'jobs' => $this->entityManager->getRepository(BulkInfoProviderImportJob::class)
+                ->findBy([], ['createdAt' => 'DESC']) // Refetch after cleanup
+        ]);
+    }
+
+    #[Route('/job/{jobId}/delete', name: 'bulk_info_provider_delete', methods: ['DELETE'])]
+    public function deleteJob(int $jobId): Response
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        // Only allow deletion of completed, failed, or stopped jobs
+        if (!$job->isCompleted() && !$job->isFailed() && !$job->isStopped()) {
+            return $this->json(['error' => 'Cannot delete active job'], 400);
+        }
+
+        $this->entityManager->remove($job);
+        $this->entityManager->flush();
+
+        return $this->json(['success' => true]);
+    }
+
+    #[Route('/job/{jobId}/stop', name: 'bulk_info_provider_stop', methods: ['POST'])]
+    public function stopJob(int $jobId): Response
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        // Only allow stopping of pending or in-progress jobs
+        if (!$job->canBeStopped()) {
+            return $this->json(['error' => 'Cannot stop job in current status'], 400);
+        }
+
+        $job->markAsStopped();
+        $this->entityManager->flush();
+
+        return $this->json(['success' => true]);
+    }
+
+
+    #[Route('/step2/{jobId}', name: 'bulk_info_provider_step2')]
+    public function step2(int $jobId): Response
+    {
+        $this->denyAccessUnlessGranted('@info_providers.create_parts');
+
+        $job = $this->entityManager->getRepository(BulkInfoProviderImportJob::class)->find($jobId);
+
+        if (!$job) {
+            $this->addFlash('error', 'Bulk import job not found');
+            return $this->redirectToRoute('bulk_info_provider_step1');
+        }
+
+        // Check if user owns this job
+        if ($job->getCreatedBy() !== $this->getUser()) {
+            $this->addFlash('error', 'Access denied to this bulk import job');
+            return $this->redirectToRoute('bulk_info_provider_step1');
+        }
+
+        // Get the parts and deserialize search results
+        $parts = $job->getJobParts()->map(fn($jobPart) => $jobPart->getPart())->toArray();
+        $searchResults = $job->getSearchResults($this->entityManager);
+
+        return $this->render('info_providers/bulk_import/step2.html.twig', [
+            'job' => $job,
+            'parts' => $parts,
+            'search_results' => $searchResults,
+        ]);
+    }
+
+
+    #[Route('/job/{jobId}/part/{partId}/mark-completed', name: 'bulk_info_provider_mark_completed', methods: ['POST'])]
+    public function markPartCompleted(int $jobId, int $partId): Response
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        $job->markPartAsCompleted($partId);
+
+        // Auto-complete job if all parts are done
+        if ($job->isAllPartsCompleted() && !$job->isCompleted()) {
+            $job->markAsCompleted();
+        }
+
+        $this->entityManager->flush();
+
+        return $this->json([
+            'success' => true,
+            'progress' => $job->getProgressPercentage(),
+            'completed_count' => $job->getCompletedPartsCount(),
+            'total_count' => $job->getPartCount(),
+            'job_completed' => $job->isCompleted()
+        ]);
+    }
+
+    #[Route('/job/{jobId}/part/{partId}/mark-skipped', name: 'bulk_info_provider_mark_skipped', methods: ['POST'])]
+    public function markPartSkipped(int $jobId, int $partId, Request $request): Response
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        $reason = $request->request->get('reason', '');
+        $job->markPartAsSkipped($partId, $reason);
+
+        // Auto-complete job if all parts are done
+        if ($job->isAllPartsCompleted() && !$job->isCompleted()) {
+            $job->markAsCompleted();
+        }
+
+        $this->entityManager->flush();
+
+        return $this->json([
+            'success' => true,
+            'progress' => $job->getProgressPercentage(),
+            'completed_count' => $job->getCompletedPartsCount(),
+            'skipped_count' => $job->getSkippedPartsCount(),
+            'total_count' => $job->getPartCount(),
+            'job_completed' => $job->isCompleted()
+        ]);
+    }
+
+    #[Route('/job/{jobId}/part/{partId}/mark-pending', name: 'bulk_info_provider_mark_pending', methods: ['POST'])]
+    public function markPartPending(int $jobId, int $partId): Response
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        $job->markPartAsPending($partId);
+        $this->entityManager->flush();
+
+        return $this->json([
+            'success' => true,
+            'progress' => $job->getProgressPercentage(),
+            'completed_count' => $job->getCompletedPartsCount(),
+            'skipped_count' => $job->getSkippedPartsCount(),
+            'total_count' => $job->getPartCount(),
+            'job_completed' => $job->isCompleted()
+        ]);
+    }
+
+    #[Route('/job/{jobId}/part/{partId}/research', name: 'bulk_info_provider_research_part', methods: ['POST'])]
+    public function researchPart(int $jobId, int $partId): JsonResponse
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        $part = $this->entityManager->getRepository(Part::class)->find($partId);
+        if (!$part) {
+            return $this->createErrorResponse('Part not found', 404, ['part_id' => $partId]);
+        }
+
+        // Only refresh if the entity might be stale (optional optimization)
+        if ($this->entityManager->getUnitOfWork()->isScheduledForUpdate($part)) {
+            $this->entityManager->refresh($part);
+        }
+
+        try {
+            // Use the job's field mappings to perform the search
+            $fieldMappingDtos = $job->getFieldMappings();
+            $prefetchDetails = $job->isPrefetchDetails();
+
+            try {
+                $searchResultsDto = $this->bulkService->performBulkSearch([$part], $fieldMappingDtos, $prefetchDetails);
+            } catch (\Exception $searchException) {
+                // Handle "no search results found" as a normal case, not an error
+                if (str_contains($searchException->getMessage(), 'No search results found')) {
+                    $searchResultsDto = null;
+                } else {
+                    throw $searchException;
+                }
+            }
+
+            // Update the job's search results for this specific part efficiently
+            $this->updatePartSearchResults($job, $searchResultsDto[0] ?? null);
+
+            // Prefetch details if requested
+            if ($prefetchDetails && $searchResultsDto !== null) {
+                $this->bulkService->prefetchDetailsForResults($searchResultsDto);
+            }
+
+            $this->entityManager->flush();
+
+            // Return the new results for this part
+            $newResults = $searchResultsDto[0] ?? null;
+
+            return $this->json([
+                'success' => true,
+                'part_id' => $partId,
+                'results_count' => $newResults ? $newResults->getResultCount() : 0,
+                'errors_count' => $newResults ? $newResults->getErrorCount() : 0,
+                'message' => 'Part research completed successfully'
+            ]);
+
+        } catch (\Exception $e) {
+            return $this->createErrorResponse(
+                'Research failed: ' . $e->getMessage(),
+                500,
+                [
+                    'job_id' => $jobId,
+                    'part_id' => $partId,
+                    'exception' => $e->getMessage()
+                ]
+            );
+        }
+    }
+
+    #[Route('/job/{jobId}/research-all', name: 'bulk_info_provider_research_all', methods: ['POST'])]
+    public function researchAllParts(int $jobId): JsonResponse
+    {
+        $job = $this->validateJobAccess($jobId);
+        if (!$job) {
+            return $this->createErrorResponse('Job not found or access denied', 404, ['job_id' => $jobId]);
+        }
+
+        // Get all parts that are not completed or skipped
+        $parts = [];
+        foreach ($job->getJobParts() as $jobPart) {
+            if (!$jobPart->isCompleted() && !$jobPart->isSkipped()) {
+                $parts[] = $jobPart->getPart();
+            }
+        }
+
+        if (empty($parts)) {
+            return $this->json([
+                'success' => true,
+                'message' => 'No parts to research',
+                'researched_count' => 0
+            ]);
+        }
+
+        try {
+            $fieldMappingDtos = $job->getFieldMappings();
+            $prefetchDetails = $job->isPrefetchDetails();
+
+            // Process in batches to reduce memory usage for large operations
+            $allResults = new BulkSearchResponseDTO(partResults: []);
+            $batches = array_chunk($parts, $this->bulkImportBatchSize);
+
+            foreach ($batches as $batch) {
+                $batchResultsDto = $this->bulkService->performBulkSearch($batch, $fieldMappingDtos, $prefetchDetails);
+                $allResults =  BulkSearchResponseDTO::merge($allResults, $batchResultsDto);
+
+                // Properly manage entity manager memory without losing state
+                $jobId = $job->getId();
+                //$this->entityManager->clear(); //TODO: This seems to cause problems with the user relation, when trying to flush later
+                $job = $this->entityManager->find(BulkInfoProviderImportJob::class, $jobId);
+            }
+
+            // Update the job's search results
+            $job->setSearchResults($allResults);
+
+            // Prefetch details if requested
+            if ($prefetchDetails) {
+                $this->bulkService->prefetchDetailsForResults($allResults);
+            }
+
+            $this->entityManager->flush();
+
+            return $this->json([
+                'success' => true,
+                'researched_count' => count($parts),
+                'message' => sprintf('Successfully researched %d parts', count($parts))
+            ]);
+
+        } catch (\Exception $e) {
+            return $this->createErrorResponse(
+                'Bulk research failed: ' . $e->getMessage(),
+                500,
+                [
+                    'job_id' => $jobId,
+                    'part_count' => count($parts),
+                    'exception' => $e->getMessage()
+                ]
+            );
+        }
+    }
+}

src/Controller/PartController.php

@@ -64,14 +64,16 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 use function Symfony\Component\Translation\t;
 
 #[Route(path: '/part')]
-class PartController extends AbstractController
+final class PartController extends AbstractController
 {
-    public function __construct(protected PricedetailHelper $pricedetailHelper,
+    public function __construct(
-        protected PartPreviewGenerator $partPreviewGenerator,
+        private readonly PricedetailHelper $pricedetailHelper,
+        private readonly PartPreviewGenerator $partPreviewGenerator,
         private readonly TranslatorInterface $translator,
-        private readonly AttachmentSubmitHandler $attachmentSubmitHandler, private readonly EntityManagerInterface $em,
+        private readonly AttachmentSubmitHandler $attachmentSubmitHandler,
-        protected EventCommentHelper $commentHelper, private readonly PartInfoSettings $partInfoSettings)
+        private readonly EntityManagerInterface $em,
-    {
+        private readonly EventCommentHelper $commentHelper
+    ) {
     }
 
     /**
@@ -80,9 +82,16 @@ class PartController extends AbstractController
      */
     #[Route(path: '/{id}/info/{timestamp}', name: 'part_info')]
     #[Route(path: '/{id}', requirements: ['id' => '\d+'])]
-    public function show(Part $part, Request $request, TimeTravel $timeTravel, HistoryHelper $historyHelper,
+    public function show(
-        DataTableFactory $dataTable, ParameterExtractor $parameterExtractor, PartLotWithdrawAddHelper $withdrawAddHelper, ?string $timestamp = null): Response
+        Part $part,
-    {
+        Request $request,
+        TimeTravel $timeTravel,
+        HistoryHelper $historyHelper,
+        DataTableFactory $dataTable,
+        ParameterExtractor $parameterExtractor,
+        PartLotWithdrawAddHelper $withdrawAddHelper,
+        ?string $timestamp = null
+    ): Response {
         $this->denyAccessUnlessGranted('read', $part);
 
         $timeTravel_timestamp = null;
@@ -132,7 +141,43 @@ class PartController extends AbstractController
     {
         $this->denyAccessUnlessGranted('edit', $part);
 
-        return $this->renderPartForm('edit', $request, $part);
+        // Check if this is part of a bulk import job
+        $jobId = $request->query->get('jobId');
+        $bulkJob = null;
+        if ($jobId) {
+            $bulkJob = $this->em->getRepository(\App\Entity\InfoProviderSystem\BulkInfoProviderImportJob::class)->find($jobId);
+            // Verify user owns this job
+            if ($bulkJob && $bulkJob->getCreatedBy() !== $this->getUser()) {
+                $bulkJob = null;
+            }
+        }
+
+        return $this->renderPartForm('edit', $request, $part, [], [
+            'bulk_job' => $bulkJob
+        ]);
+    }
+
+    #[Route(path: '/{id}/bulk-import-complete/{jobId}', name: 'part_bulk_import_complete', methods: ['POST'])]
+    public function markBulkImportComplete(Part $part, int $jobId, Request $request): Response
+    {
+        $this->denyAccessUnlessGranted('edit', $part);
+
+        if (!$this->isCsrfTokenValid('bulk_complete_' . $part->getId(), $request->request->get('_token'))) {
+            throw $this->createAccessDeniedException('Invalid CSRF token');
+        }
+
+        $bulkJob = $this->em->getRepository(\App\Entity\InfoProviderSystem\BulkInfoProviderImportJob::class)->find($jobId);
+        if (!$bulkJob || $bulkJob->getCreatedBy() !== $this->getUser()) {
+            throw $this->createNotFoundException('Bulk import job not found');
+        }
+
+        $bulkJob->markPartAsCompleted($part->getId());
+        $this->em->persist($bulkJob);
+        $this->em->flush();
+
+        $this->addFlash('success', 'Part marked as completed in bulk import');
+
+        return $this->redirectToRoute('bulk_info_provider_step2', ['jobId' => $jobId]);
     }
 
     #[Route(path: '/{id}/delete', name: 'part_delete', methods: ['DELETE'])]
@@ -140,7 +185,7 @@ class PartController extends AbstractController
     {
         $this->denyAccessUnlessGranted('delete', $part);
 
-        if ($this->isCsrfTokenValid('delete'.$part->getID(), $request->request->get('_token'))) {
+        if ($this->isCsrfTokenValid('delete' . $part->getID(), $request->request->get('_token'))) {
 
             $this->commentHelper->setMessage($request->request->get('log_comment', null));
 
@@ -159,11 +204,15 @@ class PartController extends AbstractController
     #[Route(path: '/new', name: 'part_new')]
     #[Route(path: '/{id}/clone', name: 'part_clone')]
     #[Route(path: '/new_build_part/{project_id}', name: 'part_new_build_part')]
-    public function new(Request $request, EntityManagerInterface $em, TranslatorInterface $translator,
+    public function new(
-        AttachmentSubmitHandler $attachmentSubmitHandler, ProjectBuildPartHelper $projectBuildPartHelper,
+        Request $request,
+        EntityManagerInterface $em,
+        TranslatorInterface $translator,
+        AttachmentSubmitHandler $attachmentSubmitHandler,
+        ProjectBuildPartHelper $projectBuildPartHelper,
         #[MapEntity(mapping: ['id' => 'id'])] ?Part $part = null,
-        #[MapEntity(mapping: ['project_id' => 'id'])] ?Project $project = null): Response
+        #[MapEntity(mapping: ['project_id' => 'id'])] ?Project $project = null
-    {
+    ): Response {
 
         if ($part instanceof Part) {
             //Clone part
@@ -258,9 +307,14 @@ class PartController extends AbstractController
     }
 
     #[Route(path: '/{id}/from_info_provider/{providerKey}/{providerId}/update', name: 'info_providers_update_part', requirements: ['providerId' => '.+'])]
-    public function updateFromInfoProvider(Part $part, Request $request, string $providerKey, string $providerId,
+    public function updateFromInfoProvider(
-        PartInfoRetriever $infoRetriever, PartMerger $partMerger): Response
+        Part $part,
-    {
+        Request $request,
+        string $providerKey,
+        string $providerId,
+        PartInfoRetriever $infoRetriever,
+        PartMerger $partMerger
+    ): Response {
         $this->denyAccessUnlessGranted('edit', $part);
         $this->denyAccessUnlessGranted('@info_providers.create_parts');
 
@@ -274,10 +328,22 @@ class PartController extends AbstractController
 
         $this->addFlash('notice', t('part.merge.flash.please_review'));
 
+        // Check if this is part of a bulk import job
+        $jobId = $request->query->get('jobId');
+        $bulkJob = null;
+        if ($jobId) {
+            $bulkJob = $this->em->getRepository(\App\Entity\InfoProviderSystem\BulkInfoProviderImportJob::class)->find($jobId);
+            // Verify user owns this job
+            if ($bulkJob && $bulkJob->getCreatedBy() !== $this->getUser()) {
+                $bulkJob = null;
+            }
+        }
+
         return $this->renderPartForm('update_from_ip', $request, $part, [
             'info_provider_dto' => $dto,
         ], [
-            'tname_before' => $old_name
+            'tname_before' => $old_name,
+            'bulk_job' => $bulkJob
         ]);
     }
 
@@ -312,7 +378,7 @@ class PartController extends AbstractController
                 } catch (AttachmentDownloadException $attachmentDownloadException) {
                     $this->addFlash(
                         'error',
-                        $this->translator->trans('attachment.download_failed').' '.$attachmentDownloadException->getMessage()
+                        $this->translator->trans('attachment.download_failed') . ' ' . $attachmentDownloadException->getMessage()
                     );
                 }
             }
@@ -353,6 +419,12 @@ class PartController extends AbstractController
                 return $this->redirectToRoute('part_new');
             }
 
+            // Check if we're in bulk import mode and preserve jobId
+            $jobId = $request->query->get('jobId');
+            if ($jobId && isset($merge_infos['bulk_job'])) {
+                return $this->redirectToRoute('part_edit', ['id' => $new_part->getID(), 'jobId' => $jobId]);
+            }
+
             return $this->redirectToRoute('part_edit', ['id' => $new_part->getID()]);
         }
 
@@ -371,13 +443,17 @@ class PartController extends AbstractController
             $template = 'parts/edit/update_from_ip.html.twig';
         }
 
-        return $this->render($template,
+        return $this->render(
+            $template,
             [
                 'part' => $new_part,
                 'form' => $form,
                 'merge_old_name' => $merge_infos['tname_before'] ?? null,
-                'merge_other' => $merge_infos['other_part'] ?? null
+                'merge_other' => $merge_infos['other_part'] ?? null,
-            ]);
+                'bulk_job' => $merge_infos['bulk_job'] ?? null,
+                'jobId' => $request->query->get('jobId')
+            ]
+        );
     }
 
 
@@ -387,11 +463,11 @@ class PartController extends AbstractController
         if ($this->isCsrfTokenValid('part_withraw' . $part->getID(), $request->request->get('_csfr'))) {
             //Retrieve partlot from the request
             $partLot = $em->find(PartLot::class, $request->request->get('lot_id'));
-            if(!$partLot instanceof PartLot) {
+            if (!$partLot instanceof PartLot) {
                 throw new \RuntimeException('Part lot not found!');
             }
             //Ensure that the partlot belongs to the part
-            if($partLot->getPart() !== $part) {
+            if ($partLot->getPart() !== $part) {
                 throw new \RuntimeException("The origin partlot does not belong to the part!");
             }
 
@@ -411,12 +487,12 @@ class PartController extends AbstractController
             $timestamp = null;
             $timestamp_str = $request->request->getString('timestamp', '');
             //Try to parse the timestamp
-            if($timestamp_str !== '') {
+            if ($timestamp_str !== '') {
                 $timestamp = new DateTime($timestamp_str);
             }
 
             //Ensure that the timestamp is not in the future
-            if($timestamp !== null && $timestamp > new DateTime("+20min")) {
+            if ($timestamp !== null && $timestamp > new DateTime("+20min")) {
                 throw new \LogicException("The timestamp must not be in the future!");
             }
 
@@ -460,7 +536,7 @@ class PartController extends AbstractController
 
         err:
         //If a redirect was passed, then redirect there
-        if($request->request->get('_redirect')) {
+        if ($request->request->get('_redirect')) {
             return $this->redirect($request->request->get('_redirect'));
         }
         //Otherwise just redirect to the part page

src/DataTables/Filters/Constraints/Part/BulkImportJobExistsConstraint.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\DataTables\Filters\Constraints\Part;
+
+use App\DataTables\Filters\Constraints\BooleanConstraint;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use Doctrine\ORM\QueryBuilder;
+
+class BulkImportJobExistsConstraint extends BooleanConstraint
+{
+
+    public function __construct()
+    {
+        parent::__construct('bulk_import_job_exists');
+    }
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        // Do not apply a filter if value is null (filter is set to ignore)
+        if (!$this->isEnabled()) {
+            return;
+        }
+
+        // Use EXISTS subquery to avoid join conflicts
+        $existsSubquery = $queryBuilder->getEntityManager()->createQueryBuilder();
+        $existsSubquery->select('1')
+            ->from(BulkInfoProviderImportJobPart::class, 'bip_exists')
+            ->where('bip_exists.part = part.id');
+
+        if ($this->value === true) {
+            // Filter for parts that ARE in bulk import jobs
+            $queryBuilder->andWhere('EXISTS (' . $existsSubquery->getDQL() . ')');
+        } else {
+            // Filter for parts that are NOT in bulk import jobs
+            $queryBuilder->andWhere('NOT EXISTS (' . $existsSubquery->getDQL() . ')');
+        }
+    }
+}

src/DataTables/Filters/Constraints/Part/BulkImportJobStatusConstraint.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\DataTables\Filters\Constraints\Part;
+
+use App\DataTables\Filters\Constraints\AbstractConstraint;
+use App\DataTables\Filters\Constraints\ChoiceConstraint;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use Doctrine\ORM\QueryBuilder;
+
+class BulkImportJobStatusConstraint extends ChoiceConstraint
+{
+
+    public function __construct()
+    {
+        parent::__construct('bulk_import_job_status');
+    }
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        // Do not apply a filter if values are empty or operator is null
+        if (!$this->isEnabled()) {
+            return;
+        }
+
+        // Use EXISTS subquery to check if part has a job with the specified status(es)
+        $existsSubquery = $queryBuilder->getEntityManager()->createQueryBuilder();
+        $existsSubquery->select('1')
+            ->from(BulkInfoProviderImportJobPart::class, 'bip_status')
+            ->join('bip_status.job', 'job_status')
+            ->where('bip_status.part = part.id');
+
+        // Add status conditions based on operator
+        if ($this->operator === 'ANY') {
+            $existsSubquery->andWhere('job_status.status IN (:job_status_values)');
+            $queryBuilder->andWhere('EXISTS (' . $existsSubquery->getDQL() . ')');
+            $queryBuilder->setParameter('job_status_values', $this->value);
+        } elseif ($this->operator === 'NONE') {
+            $existsSubquery->andWhere('job_status.status IN (:job_status_values)');
+            $queryBuilder->andWhere('NOT EXISTS (' . $existsSubquery->getDQL() . ')');
+            $queryBuilder->setParameter('job_status_values', $this->value);
+        }
+    }
+}

src/DataTables/Filters/Constraints/Part/BulkImportPartStatusConstraint.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\DataTables\Filters\Constraints\Part;
+
+use App\DataTables\Filters\Constraints\ChoiceConstraint;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use Doctrine\ORM\QueryBuilder;
+
+class BulkImportPartStatusConstraint extends ChoiceConstraint
+{
+    public function __construct()
+    {
+        parent::__construct('bulk_import_part_status');
+    }
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        // Do not apply a filter if values are empty or operator is null
+        if (!$this->isEnabled()) {
+            return;
+        }
+
+        // Use EXISTS subquery to check if part has the specified status(es)
+        $existsSubquery = $queryBuilder->getEntityManager()->createQueryBuilder();
+        $existsSubquery->select('1')
+            ->from(BulkInfoProviderImportJobPart::class, 'bip_part_status')
+            ->where('bip_part_status.part = part.id');
+
+        // Add status conditions based on operator
+        if ($this->operator === 'ANY') {
+            $existsSubquery->andWhere('bip_part_status.status IN (:part_status_values)');
+            $queryBuilder->andWhere('EXISTS (' . $existsSubquery->getDQL() . ')');
+            $queryBuilder->setParameter('part_status_values', $this->value);
+        } elseif ($this->operator === 'NONE') {
+            $existsSubquery->andWhere('bip_part_status.status IN (:part_status_values)');
+            $queryBuilder->andWhere('NOT EXISTS (' . $existsSubquery->getDQL() . ')');
+            $queryBuilder->setParameter('part_status_values', $this->value);
+        }
+    }
+}

src/DataTables/Filters/PartFilter.php

@@ -29,6 +29,9 @@ use App\DataTables\Filters\Constraints\DateTimeConstraint;
 use App\DataTables\Filters\Constraints\EntityConstraint;
 use App\DataTables\Filters\Constraints\IntConstraint;
 use App\DataTables\Filters\Constraints\NumberConstraint;
+use App\DataTables\Filters\Constraints\Part\BulkImportJobExistsConstraint;
+use App\DataTables\Filters\Constraints\Part\BulkImportJobStatusConstraint;
+use App\DataTables\Filters\Constraints\Part\BulkImportPartStatusConstraint;
 use App\DataTables\Filters\Constraints\Part\LessThanDesiredConstraint;
 use App\DataTables\Filters\Constraints\Part\ParameterConstraint;
 use App\DataTables\Filters\Constraints\Part\TagsConstraint;
@@ -102,6 +105,14 @@ class PartFilter implements FilterInterface
     public readonly TextConstraint $bomName;
     public readonly TextConstraint $bomComment;
 
+    /*************************************************
+     * Bulk Import Job tab
+     *************************************************/
+
+    public readonly BulkImportJobExistsConstraint $inBulkImportJob;
+    public readonly BulkImportJobStatusConstraint $bulkImportJobStatus;
+    public readonly BulkImportPartStatusConstraint $bulkImportPartStatus;
+
     public function __construct(NodesListBuilder $nodesListBuilder)
     {
         //Must be done for every new set of attachment filters, to ensure deterministic parameter names.
@@ -130,7 +141,7 @@ class PartFilter implements FilterInterface
          */
         $this->amountSum = (new IntConstraint('(
                     SELECT COALESCE(SUM(__partLot.amount), 0.0)
-                    FROM '.PartLot::class.' __partLot
+                    FROM ' . PartLot::class . ' __partLot
                     WHERE __partLot.part = part.id
                     AND __partLot.instock_unknown = false
                     AND (__partLot.expiration_date IS NULL OR __partLot.expiration_date > CURRENT_DATE())
@@ -166,6 +177,11 @@ class PartFilter implements FilterInterface
         $this->bomName = new TextConstraint('_projectBomEntries.name');
         $this->bomComment = new TextConstraint('_projectBomEntries.comment');
 
+        // Bulk Import Job filters
+        $this->inBulkImportJob = new BulkImportJobExistsConstraint();
+        $this->bulkImportJobStatus = new BulkImportJobStatusConstraint();
+        $this->bulkImportPartStatus = new BulkImportPartStatusConstraint();
+
     }
 
     public function apply(QueryBuilder $queryBuilder): void

src/DataTables/PartsDataTable.php

@@ -142,23 +142,25 @@ final class PartsDataTable implements DataTableTypeInterface
                 'label' => $this->translator->trans('part.table.storeLocations'),
                 //We need to use a aggregate function to get the first store location, as we have a one-to-many relation
                 'orderField' => 'NATSORT(MIN(_storelocations.name))',
-                'render' => fn ($value, Part $context) => $this->partDataTableHelper->renderStorageLocations($context),
+                'render' => fn($value, Part $context) => $this->partDataTableHelper->renderStorageLocations($context),
             ], alias: 'storage_location')
 
             ->add('amount', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.amount'),
-                'render' => fn ($value, Part $context) => $this->partDataTableHelper->renderAmount($context),
+                'render' => fn($value, Part $context) => $this->partDataTableHelper->renderAmount($context),
                 'orderField' => 'amountSum'
             ])
             ->add('minamount', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.minamount'),
-                'render' => fn($value, Part $context): string => htmlspecialchars($this->amountFormatter->format($value,
+                'render' => fn($value, Part $context): string => htmlspecialchars($this->amountFormatter->format(
-                    $context->getPartUnit())),
+                    $value,
+                    $context->getPartUnit()
+                )),
             ])
             ->add('partUnit', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.partUnit'),
                 'orderField' => 'NATSORT(_partUnit.name)',
-                'render' => function($value, Part $context): string {
+                'render' => function ($value, Part $context): string {
                     $partUnit = $context->getPartUnit();
                     if ($partUnit === null) {
                         return '';
@@ -167,7 +169,7 @@ final class PartsDataTable implements DataTableTypeInterface
                     $tmp = htmlspecialchars($partUnit->getName());
 
                     if ($partUnit->getUnit()) {
-                        $tmp .= ' ('.htmlspecialchars($partUnit->getUnit()).')';
+                        $tmp .= ' (' . htmlspecialchars($partUnit->getUnit()) . ')';
                     }
                     return $tmp;
                 }
@@ -230,7 +232,7 @@ final class PartsDataTable implements DataTableTypeInterface
                     }
 
                     if (count($projects) > $max) {
-                        $tmp .= ", + ".(count($projects) - $max);
+                        $tmp .= ", + " . (count($projects) - $max);
                     }
 
                     return $tmp;
@@ -366,7 +368,7 @@ final class PartsDataTable implements DataTableTypeInterface
             $builder->addSelect(
                 '(
                     SELECT COALESCE(SUM(partLot.amount), 0.0)
-                    FROM '.PartLot::class.' partLot
+                    FROM ' . PartLot::class . ' partLot
                     WHERE partLot.part = part.id
                     AND partLot.instock_unknown = false
                     AND (partLot.expiration_date IS NULL OR partLot.expiration_date > CURRENT_DATE())
@@ -423,6 +425,13 @@ final class PartsDataTable implements DataTableTypeInterface
             //Do not group by many-to-* relations, as it would restrict the COUNT having clauses to be maximum 1
             //$builder->addGroupBy('_projectBomEntries');
         }
+        if (str_contains($dql, '_jobPart')) {
+            $builder->leftJoin('part.bulkImportJobParts', '_jobPart');
+            $builder->leftJoin('_jobPart.job', '_bulkImportJob');
+            //Do not group by many-to-* relations, as it would restrict the COUNT having clauses to be maximum 1
+            //$builder->addGroupBy('_jobPart');
+            //$builder->addGroupBy('_bulkImportJob');
+        }
 
         return $builder;
     }

src/Entity/InfoProviderSystem/BulkImportJobStatus.php

@@ -0,0 +1,35 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Entity\InfoProviderSystem;
+
+use Symfony\Contracts\Translation\TranslatableInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+enum BulkImportJobStatus: string
+{
+    case PENDING = 'pending';
+    case IN_PROGRESS = 'in_progress';
+    case COMPLETED = 'completed';
+    case STOPPED = 'stopped';
+    case FAILED = 'failed';
+}

src/Entity/InfoProviderSystem/BulkImportPartStatus.php

@@ -0,0 +1,32 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Entity\InfoProviderSystem;
+
+
+enum BulkImportPartStatus: string
+{
+    case PENDING = 'pending';
+    case COMPLETED = 'completed';
+    case SKIPPED = 'skipped';
+    case FAILED = 'failed';
+}

src/Entity/InfoProviderSystem/BulkInfoProviderImportJob.php

@@ -0,0 +1,449 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Entity\InfoProviderSystem;
+
+use App\Entity\Base\AbstractDBElement;
+use App\Entity\Parts\Part;
+use App\Entity\UserSystem\User;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'bulk_info_provider_import_jobs')]
+class BulkInfoProviderImportJob extends AbstractDBElement
+{
+    #[ORM\Column(type: Types::TEXT)]
+    private string $name = '';
+
+    #[ORM\Column(type: Types::JSON)]
+    private array $fieldMappings = [];
+
+    /**
+     * @var BulkSearchFieldMappingDTO[] The deserialized field mappings DTOs, cached for performance
+     */
+    private ?array $fieldMappingsDTO = null;
+
+    #[ORM\Column(type: Types::JSON)]
+    private array $searchResults = [];
+
+    /**
+     * @var BulkSearchResponseDTO|null The deserialized search results DTO, cached for performance
+     */
+    private ?BulkSearchResponseDTO $searchResultsDTO = null;
+
+    #[ORM\Column(type: Types::STRING, length: 20, enumType: BulkImportJobStatus::class)]
+    private BulkImportJobStatus $status = BulkImportJobStatus::PENDING;
+
+    #[ORM\Column(type: Types::DATETIME_IMMUTABLE)]
+    private \DateTimeImmutable $createdAt;
+
+    #[ORM\Column(type: Types::DATETIME_IMMUTABLE, nullable: true)]
+    private ?\DateTimeImmutable $completedAt = null;
+
+    #[ORM\Column(type: Types::BOOLEAN)]
+    private bool $prefetchDetails = false;
+
+    #[ORM\ManyToOne(targetEntity: User::class)]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?User $createdBy = null;
+
+    /** @var Collection<int, BulkInfoProviderImportJobPart> */
+    #[ORM\OneToMany(targetEntity: BulkInfoProviderImportJobPart::class, mappedBy: 'job', cascade: ['persist', 'remove'], orphanRemoval: true)]
+    private Collection $jobParts;
+
+    public function __construct()
+    {
+        $this->createdAt = new \DateTimeImmutable();
+        $this->jobParts = new ArrayCollection();
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function getDisplayNameKey(): string
+    {
+        return 'info_providers.bulk_import.job_name_template';
+    }
+
+    public function getDisplayNameParams(): array
+    {
+        return ['%count%' => $this->getPartCount()];
+    }
+
+    public function getFormattedTimestamp(): string
+    {
+        return $this->createdAt->format('Y-m-d H:i:s');
+    }
+
+    public function setName(string $name): self
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function getJobParts(): Collection
+    {
+        return $this->jobParts;
+    }
+
+    public function addJobPart(BulkInfoProviderImportJobPart $jobPart): self
+    {
+        if (!$this->jobParts->contains($jobPart)) {
+            $this->jobParts->add($jobPart);
+            $jobPart->setJob($this);
+        }
+        return $this;
+    }
+
+    public function removeJobPart(BulkInfoProviderImportJobPart $jobPart): self
+    {
+        if ($this->jobParts->removeElement($jobPart)) {
+            if ($jobPart->getJob() === $this) {
+                $jobPart->setJob(null);
+            }
+        }
+        return $this;
+    }
+
+    public function getPartIds(): array
+    {
+        return $this->jobParts->map(fn($jobPart) => $jobPart->getPart()->getId())->toArray();
+    }
+
+    public function setPartIds(array $partIds): self
+    {
+        // This method is kept for backward compatibility but should be replaced with addJobPart
+        // Clear existing job parts
+        $this->jobParts->clear();
+
+        // Add new job parts (this would need the actual Part entities, not just IDs)
+        // This is a simplified implementation - in practice, you'd want to pass Part entities
+        return $this;
+    }
+
+    public function addPart(Part $part): self
+    {
+        $jobPart = new BulkInfoProviderImportJobPart($this, $part);
+        $this->addJobPart($jobPart);
+        return $this;
+    }
+
+    /**
+     * @return BulkSearchFieldMappingDTO[] The deserialized field mappings
+     */
+    public function getFieldMappings(): array
+    {
+        if ($this->fieldMappingsDTO === null) {
+            // Lazy load the DTOs from the raw JSON data
+            $this->fieldMappingsDTO = array_map(
+                static fn($data) => BulkSearchFieldMappingDTO::fromSerializableArray($data),
+                $this->fieldMappings
+            );
+        }
+
+        return $this->fieldMappingsDTO;
+    }
+
+    /**
+     * @param  BulkSearchFieldMappingDTO[]  $fieldMappings
+     * @return $this
+     */
+    public function setFieldMappings(array $fieldMappings): self
+    {
+        //Ensure that we are dealing with the objects here
+        if (count($fieldMappings) > 0 && !$fieldMappings[0] instanceof BulkSearchFieldMappingDTO) {
+            throw new \InvalidArgumentException('Expected an array of FieldMappingDTO objects');
+        }
+
+        $this->fieldMappingsDTO = $fieldMappings;
+
+        $this->fieldMappings = array_map(
+            static fn(BulkSearchFieldMappingDTO $dto) => $dto->toSerializableArray(),
+            $fieldMappings
+        );
+        return $this;
+    }
+
+    public function getSearchResultsRaw(): array
+    {
+        return $this->searchResults;
+    }
+
+    public function setSearchResultsRaw(array $searchResults): self
+    {
+        $this->searchResults = $searchResults;
+        return $this;
+    }
+
+    public function setSearchResults(BulkSearchResponseDTO $searchResponse): self
+    {
+        $this->searchResultsDTO = $searchResponse;
+        $this->searchResults = $searchResponse->toSerializableRepresentation();
+        return $this;
+    }
+
+    public function getSearchResults(EntityManagerInterface $entityManager): BulkSearchResponseDTO
+    {
+        if ($this->searchResultsDTO === null) {
+            // Lazy load the DTO from the raw JSON data
+            $this->searchResultsDTO = BulkSearchResponseDTO::fromSerializableRepresentation($this->searchResults, $entityManager);
+        }
+        return $this->searchResultsDTO;
+    }
+
+    public function hasSearchResults(): bool
+    {
+        return !empty($this->searchResults);
+    }
+
+    public function getStatus(): BulkImportJobStatus
+    {
+        return $this->status;
+    }
+
+    public function setStatus(BulkImportJobStatus $status): self
+    {
+        $this->status = $status;
+        return $this;
+    }
+
+    public function getCreatedAt(): \DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function getCompletedAt(): ?\DateTimeImmutable
+    {
+        return $this->completedAt;
+    }
+
+    public function setCompletedAt(?\DateTimeImmutable $completedAt): self
+    {
+        $this->completedAt = $completedAt;
+        return $this;
+    }
+
+    public function isPrefetchDetails(): bool
+    {
+        return $this->prefetchDetails;
+    }
+
+    public function setPrefetchDetails(bool $prefetchDetails): self
+    {
+        $this->prefetchDetails = $prefetchDetails;
+        return $this;
+    }
+
+    public function getCreatedBy(): User
+    {
+        return $this->createdBy;
+    }
+
+    public function setCreatedBy(User $createdBy): self
+    {
+        $this->createdBy = $createdBy;
+        return $this;
+    }
+
+    public function getProgress(): array
+    {
+        $progress = [];
+        foreach ($this->jobParts as $jobPart) {
+            $progressData = [
+                'status' => $jobPart->getStatus()->value
+            ];
+
+            // Only include completed_at if it's not null
+            if ($jobPart->getCompletedAt() !== null) {
+                $progressData['completed_at'] = $jobPart->getCompletedAt()->format('c');
+            }
+
+            // Only include reason if it's not null
+            if ($jobPart->getReason() !== null) {
+                $progressData['reason'] = $jobPart->getReason();
+            }
+
+            $progress[$jobPart->getPart()->getId()] = $progressData;
+        }
+        return $progress;
+    }
+
+    public function markAsCompleted(): self
+    {
+        $this->status = BulkImportJobStatus::COMPLETED;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsFailed(): self
+    {
+        $this->status = BulkImportJobStatus::FAILED;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsStopped(): self
+    {
+        $this->status = BulkImportJobStatus::STOPPED;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsInProgress(): self
+    {
+        $this->status = BulkImportJobStatus::IN_PROGRESS;
+        return $this;
+    }
+
+    public function isPending(): bool
+    {
+        return $this->status === BulkImportJobStatus::PENDING;
+    }
+
+    public function isInProgress(): bool
+    {
+        return $this->status === BulkImportJobStatus::IN_PROGRESS;
+    }
+
+    public function isCompleted(): bool
+    {
+        return $this->status === BulkImportJobStatus::COMPLETED;
+    }
+
+    public function isFailed(): bool
+    {
+        return $this->status === BulkImportJobStatus::FAILED;
+    }
+
+    public function isStopped(): bool
+    {
+        return $this->status === BulkImportJobStatus::STOPPED;
+    }
+
+    public function canBeStopped(): bool
+    {
+        return $this->status === BulkImportJobStatus::PENDING || $this->status === BulkImportJobStatus::IN_PROGRESS;
+    }
+
+    public function getPartCount(): int
+    {
+        return $this->jobParts->count();
+    }
+
+    public function getResultCount(): int
+    {
+        $count = 0;
+        foreach ($this->searchResults as $partResult) {
+            $count += count($partResult['search_results'] ?? []);
+        }
+        return $count;
+    }
+
+    public function markPartAsCompleted(int $partId): self
+    {
+        $jobPart = $this->findJobPartByPartId($partId);
+        if ($jobPart) {
+            $jobPart->markAsCompleted();
+        }
+        return $this;
+    }
+
+    public function markPartAsSkipped(int $partId, string $reason = ''): self
+    {
+        $jobPart = $this->findJobPartByPartId($partId);
+        if ($jobPart) {
+            $jobPart->markAsSkipped($reason);
+        }
+        return $this;
+    }
+
+    public function markPartAsPending(int $partId): self
+    {
+        $jobPart = $this->findJobPartByPartId($partId);
+        if ($jobPart) {
+            $jobPart->markAsPending();
+        }
+        return $this;
+    }
+
+    public function isPartCompleted(int $partId): bool
+    {
+        $jobPart = $this->findJobPartByPartId($partId);
+        return $jobPart ? $jobPart->isCompleted() : false;
+    }
+
+    public function isPartSkipped(int $partId): bool
+    {
+        $jobPart = $this->findJobPartByPartId($partId);
+        return $jobPart ? $jobPart->isSkipped() : false;
+    }
+
+    public function getCompletedPartsCount(): int
+    {
+        return $this->jobParts->filter(fn($jobPart) => $jobPart->isCompleted())->count();
+    }
+
+    public function getSkippedPartsCount(): int
+    {
+        return $this->jobParts->filter(fn($jobPart) => $jobPart->isSkipped())->count();
+    }
+
+    private function findJobPartByPartId(int $partId): ?BulkInfoProviderImportJobPart
+    {
+        foreach ($this->jobParts as $jobPart) {
+            if ($jobPart->getPart()->getId() === $partId) {
+                return $jobPart;
+            }
+        }
+        return null;
+    }
+
+    public function getProgressPercentage(): float
+    {
+        $total = $this->getPartCount();
+        if ($total === 0) {
+            return 100.0;
+        }
+
+        $completed = $this->getCompletedPartsCount() + $this->getSkippedPartsCount();
+        return round(($completed / $total) * 100, 1);
+    }
+
+    public function isAllPartsCompleted(): bool
+    {
+        $total = $this->getPartCount();
+        if ($total === 0) {
+            return true;
+        }
+
+        $completed = $this->getCompletedPartsCount() + $this->getSkippedPartsCount();
+        return $completed >= $total;
+    }
+}

src/Entity/InfoProviderSystem/BulkInfoProviderImportJobPart.php

@@ -0,0 +1,182 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Entity\InfoProviderSystem;
+
+use App\Entity\Base\AbstractDBElement;
+use App\Entity\Parts\Part;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'bulk_info_provider_import_job_parts')]
+#[ORM\UniqueConstraint(name: 'unique_job_part', columns: ['job_id', 'part_id'])]
+class BulkInfoProviderImportJobPart extends AbstractDBElement
+{
+    #[ORM\ManyToOne(targetEntity: BulkInfoProviderImportJob::class, inversedBy: 'jobParts')]
+    #[ORM\JoinColumn(nullable: false)]
+    private BulkInfoProviderImportJob $job;
+
+    #[ORM\ManyToOne(targetEntity: Part::class, inversedBy: 'bulkImportJobParts')]
+    #[ORM\JoinColumn(nullable: false)]
+    private Part $part;
+
+    #[ORM\Column(type: Types::STRING, length: 20, enumType: BulkImportPartStatus::class)]
+    private BulkImportPartStatus $status = BulkImportPartStatus::PENDING;
+
+    #[ORM\Column(type: Types::TEXT, nullable: true)]
+    private ?string $reason = null;
+
+    #[ORM\Column(type: Types::DATETIME_IMMUTABLE, nullable: true)]
+    private ?\DateTimeImmutable $completedAt = null;
+
+    public function __construct(BulkInfoProviderImportJob $job, Part $part)
+    {
+        $this->job = $job;
+        $this->part = $part;
+    }
+
+    public function getJob(): BulkInfoProviderImportJob
+    {
+        return $this->job;
+    }
+
+    public function setJob(?BulkInfoProviderImportJob $job): self
+    {
+        $this->job = $job;
+        return $this;
+    }
+
+    public function getPart(): Part
+    {
+        return $this->part;
+    }
+
+    public function setPart(?Part $part): self
+    {
+        $this->part = $part;
+        return $this;
+    }
+
+    public function getStatus(): BulkImportPartStatus
+    {
+        return $this->status;
+    }
+
+    public function setStatus(BulkImportPartStatus $status): self
+    {
+        $this->status = $status;
+        return $this;
+    }
+
+    public function getReason(): ?string
+    {
+        return $this->reason;
+    }
+
+    public function setReason(?string $reason): self
+    {
+        $this->reason = $reason;
+        return $this;
+    }
+
+    public function getCompletedAt(): ?\DateTimeImmutable
+    {
+        return $this->completedAt;
+    }
+
+    public function setCompletedAt(?\DateTimeImmutable $completedAt): self
+    {
+        $this->completedAt = $completedAt;
+        return $this;
+    }
+
+    public function markAsCompleted(): self
+    {
+        $this->status = BulkImportPartStatus::COMPLETED;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsSkipped(string $reason = ''): self
+    {
+        $this->status = BulkImportPartStatus::SKIPPED;
+        $this->reason = $reason;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsFailed(string $reason = ''): self
+    {
+        $this->status = BulkImportPartStatus::FAILED;
+        $this->reason = $reason;
+        $this->completedAt = new \DateTimeImmutable();
+        return $this;
+    }
+
+    public function markAsPending(): self
+    {
+        $this->status = BulkImportPartStatus::PENDING;
+        $this->reason = null;
+        $this->completedAt = null;
+        return $this;
+    }
+
+    public function isPending(): bool
+    {
+        return $this->status === BulkImportPartStatus::PENDING;
+    }
+
+    public function isCompleted(): bool
+    {
+        return $this->status === BulkImportPartStatus::COMPLETED;
+    }
+
+    public function isSkipped(): bool
+    {
+        return $this->status === BulkImportPartStatus::SKIPPED;
+    }
+
+    public function isFailed(): bool
+    {
+        return $this->status === BulkImportPartStatus::FAILED;
+    }
+}

src/Entity/LogSystem/LogTargetType.php

@@ -24,6 +24,8 @@ namespace App\Entity\LogSystem;
 
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentType;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
 use App\Entity\LabelSystem\LabelProfile;
 use App\Entity\Parameters\AbstractParameter;
 use App\Entity\Parts\Category;
@@ -67,6 +69,8 @@ enum LogTargetType: int
     case LABEL_PROFILE = 19;
 
     case PART_ASSOCIATION = 20;
+    case BULK_INFO_PROVIDER_IMPORT_JOB = 21;
+    case BULK_INFO_PROVIDER_IMPORT_JOB_PART = 22;
 
     /**
      * Returns the class name of the target type or null if the target type is NONE.
@@ -96,6 +100,8 @@ enum LogTargetType: int
             self::PARAMETER => AbstractParameter::class,
             self::LABEL_PROFILE => LabelProfile::class,
             self::PART_ASSOCIATION => PartAssociation::class,
+            self::BULK_INFO_PROVIDER_IMPORT_JOB => BulkInfoProviderImportJob::class,
+            self::BULK_INFO_PROVIDER_IMPORT_JOB_PART => BulkInfoProviderImportJobPart::class,
         };
     }
 

src/Entity/Parts/Part.php

@@ -22,8 +22,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Parts;
 
-use App\ApiPlatform\Filter\TagFilter;
-use Doctrine\Common\Collections\Criteria;
 use ApiPlatform\Doctrine\Common\Filter\DateFilterInterface;
 use ApiPlatform\Doctrine\Orm\Filter\BooleanFilter;
 use ApiPlatform\Doctrine\Orm\Filter\DateFilter;
@@ -40,10 +38,12 @@ use ApiPlatform\Serializer\Filter\PropertyFilter;
 use App\ApiPlatform\Filter\EntityFilter;
 use App\ApiPlatform\Filter\LikeFilter;
 use App\ApiPlatform\Filter\PartStoragelocationFilter;
+use App\ApiPlatform\Filter\TagFilter;
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentContainingDBElement;
 use App\Entity\Attachments\PartAttachment;
 use App\Entity\EDA\EDAPartInfo;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
 use App\Entity\Parameters\ParametersTrait;
 use App\Entity\Parameters\PartParameter;
 use App\Entity\Parts\PartTraits\AdvancedPropertyTrait;
@@ -59,6 +59,7 @@ use App\Repository\PartRepository;
 use App\Validator\Constraints\UniqueObjectCollection;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Collections\Criteria;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Serializer\Annotation\Groups;
@@ -83,8 +84,18 @@ use Symfony\Component\Validator\Context\ExecutionContextInterface;
 #[ORM\Index(columns: ['ipn'], name: 'parts_idx_ipn')]
 #[ApiResource(
     operations: [
-        new Get(normalizationContext: ['groups' => ['part:read', 'provider_reference:read',  'api:basic:read', 'part_lot:read',
+        new Get(normalizationContext: [
-            'orderdetail:read', 'pricedetail:read', 'parameter:read', 'attachment:read', 'eda_info:read'],
+            'groups' => [
+                'part:read',
+                'provider_reference:read',
+                'api:basic:read',
+                'part_lot:read',
+                'orderdetail:read',
+                'pricedetail:read',
+                'parameter:read',
+                'attachment:read',
+                'eda_info:read'
+            ],
             'openapi_definition_name' => 'Read',
         ], security: 'is_granted("read", object)'),
         new GetCollection(security: 'is_granted("@parts.read")'),
@@ -100,7 +111,7 @@ use Symfony\Component\Validator\Context\ExecutionContextInterface;
 #[ApiFilter(PartStoragelocationFilter::class, properties: ["storage_location"])]
 #[ApiFilter(LikeFilter::class, properties: ["name", "comment", "description", "ipn", "manufacturer_product_number"])]
 #[ApiFilter(TagFilter::class, properties: ["tags"])]
-#[ApiFilter(BooleanFilter::class, properties: ["favorite" , "needs_review"])]
+#[ApiFilter(BooleanFilter::class, properties: ["favorite", "needs_review"])]
 #[ApiFilter(RangeFilter::class, properties: ["mass", "minamount"])]
 #[ApiFilter(DateFilter::class, strategy: DateFilterInterface::EXCLUDE_NULL)]
 #[ApiFilter(OrderFilter::class, properties: ['name', 'id', 'addedDate', 'lastModified'])]
@@ -160,6 +171,12 @@ class Part extends AttachmentContainingDBElement
     #[Groups(['part:read'])]
     protected ?\DateTimeImmutable $lastModified = null;
 
+    /**
+     * @var Collection<int, BulkInfoProviderImportJobPart>
+     */
+    #[ORM\OneToMany(mappedBy: 'part', targetEntity: BulkInfoProviderImportJobPart::class, cascade: ['remove'], orphanRemoval: true)]
+    protected Collection $bulkImportJobParts;
+
 
     public function __construct()
     {
@@ -172,6 +189,7 @@ class Part extends AttachmentContainingDBElement
 
         $this->associated_parts_as_owner = new ArrayCollection();
         $this->associated_parts_as_other = new ArrayCollection();
+        $this->bulkImportJobParts = new ArrayCollection();
 
         //By default, the part has no provider
         $this->providerReference = InfoProviderReference::noProvider();
@@ -230,4 +248,38 @@ class Part extends AttachmentContainingDBElement
             }
         }
     }
+
+    /**
+     * Get all bulk import job parts for this part
+     * @return Collection<int, BulkInfoProviderImportJobPart>
+     */
+    public function getBulkImportJobParts(): Collection
+    {
+        return $this->bulkImportJobParts;
+    }
+
+    /**
+     * Add a bulk import job part to this part
+     */
+    public function addBulkImportJobPart(BulkInfoProviderImportJobPart $jobPart): self
+    {
+        if (!$this->bulkImportJobParts->contains($jobPart)) {
+            $this->bulkImportJobParts->add($jobPart);
+            $jobPart->setPart($this);
+        }
+        return $this;
+    }
+
+    /**
+     * Remove a bulk import job part from this part
+     */
+    public function removeBulkImportJobPart(BulkInfoProviderImportJobPart $jobPart): self
+    {
+        if ($this->bulkImportJobParts->removeElement($jobPart)) {
+            if ($jobPart->getPart() === $this) {
+                $jobPart->setPart(null);
+            }
+        }
+        return $this;
+    }
 }

src/Form/AdminPages/ImportType.php

@@ -59,6 +59,8 @@ class ImportType extends AbstractType
                     'XML' => 'xml',
                     'CSV' => 'csv',
                     'YAML' => 'yaml',
+                    'XLSX' => 'xlsx',
+                    'XLS' => 'xls',
                 ],
                 'label' => 'export.format',
                 'disabled' => $disabled,

src/Form/Filters/LogFilterType.php

@@ -128,6 +128,8 @@ class LogFilterType extends AbstractType
                 LogTargetType::PARAMETER => 'parameter.label',
                 LogTargetType::LABEL_PROFILE => 'label_profile.label',
                 LogTargetType::PART_ASSOCIATION => 'part_association.label',
+                LogTargetType::BULK_INFO_PROVIDER_IMPORT_JOB => 'bulk_info_provider_import_job.label',
+                LogTargetType::BULK_INFO_PROVIDER_IMPORT_JOB_PART => 'bulk_info_provider_import_job_part.label',
             },
         ]);
 

src/Form/Filters/PartFilterType.php

@@ -22,9 +22,12 @@ declare(strict_types=1);
  */
 namespace App\Form\Filters;
 
+use App\DataTables\Filters\Constraints\Part\BulkImportPartStatusConstraint;
 use App\DataTables\Filters\Constraints\Part\ParameterConstraint;
 use App\DataTables\Filters\PartFilter;
 use App\Entity\Attachments\AttachmentType;
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use App\Entity\InfoProviderSystem\BulkImportPartStatus;
 use App\Entity\Parts\Category;
 use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Manufacturer;
@@ -33,8 +36,12 @@ use App\Entity\Parts\StorageLocation;
 use App\Entity\Parts\Supplier;
 use App\Entity\ProjectSystem\Project;
 use App\Form\Filters\Constraints\BooleanConstraintType;
+use App\Form\Filters\Constraints\BulkImportJobExistsConstraintType;
+use App\Form\Filters\Constraints\BulkImportJobStatusConstraintType;
+use App\Form\Filters\Constraints\BulkImportPartStatusConstraintType;
 use App\Form\Filters\Constraints\ChoiceConstraintType;
 use App\Form\Filters\Constraints\DateTimeConstraintType;
+use App\Form\Filters\Constraints\EnumConstraintType;
 use App\Form\Filters\Constraints\NumberConstraintType;
 use App\Form\Filters\Constraints\ParameterConstraintType;
 use App\Form\Filters\Constraints\StructuralEntityConstraintType;
@@ -50,6 +57,8 @@ use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
+use function Symfony\Component\Translation\t;
+
 class PartFilterType extends AbstractType
 {
     public function __construct(private readonly Security $security)
@@ -298,6 +307,31 @@ class PartFilterType extends AbstractType
 
         }
 
+        /**************************************************************************
+         * Bulk Import Job tab
+         **************************************************************************/
+        if ($this->security->isGranted('@info_providers.create_parts')) {
+            $builder
+                ->add('inBulkImportJob', BooleanConstraintType::class, [
+                    'label' => 'part.filter.in_bulk_import_job',
+                ])
+                ->add('bulkImportJobStatus', EnumConstraintType::class, [
+                    'enum_class' => BulkImportJobStatus::class,
+                    'label' => 'part.filter.bulk_import_job_status',
+                    'choice_label' => function (BulkImportJobStatus $value) {
+                        return t('bulk_import.status.' . $value->value);
+                    },
+                ])
+                ->add('bulkImportPartStatus', EnumConstraintType::class, [
+                    'enum_class' => BulkImportPartStatus::class,
+                    'label' => 'part.filter.bulk_import_part_status',
+                    'choice_label' => function (BulkImportPartStatus $value) {
+                        return t('bulk_import.part_status.' . $value->value);
+                    },
+                ])
+            ;
+        }
+
 
         $builder->add('submit', SubmitType::class, [
             'label' => 'filter.submit',

src/Form/InfoProviderSystem/BulkProviderSearchType.php

@@ -0,0 +1,62 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Form\InfoProviderSystem;
+
+use App\Entity\Parts\Part;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\CollectionType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class BulkProviderSearchType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $parts = $options['parts'];
+
+        $builder->add('part_configurations', CollectionType::class, [
+            'entry_type' => PartProviderConfigurationType::class,
+            'entry_options' => [
+                'label' => false,
+            ],
+            'allow_add' => false,
+            'allow_delete' => false,
+            'label' => false,
+        ]);
+
+        $builder->add('submit', SubmitType::class, [
+            'label' => 'info_providers.bulk_search.submit'
+        ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'parts' => [],
+        ]);
+        $resolver->setRequired('parts');
+    }
+}

src/Form/InfoProviderSystem/FieldToProviderMappingType.php

@@ -0,0 +1,75 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Form\InfoProviderSystem;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\IntegerType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class FieldToProviderMappingType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $fieldChoices = $options['field_choices'] ?? [];
+
+        $builder->add('field', ChoiceType::class, [
+            'label' => 'info_providers.bulk_search.search_field',
+            'choices' => $fieldChoices,
+            'expanded' => false,
+            'multiple' => false,
+            'required' => false,
+            'placeholder' => 'info_providers.bulk_search.field.select',
+        ]);
+
+        $builder->add('providers', ProviderSelectType::class, [
+            'label' => 'info_providers.bulk_search.providers',
+            'help' => 'info_providers.bulk_search.providers.help',
+            'required' => false,
+        ]);
+
+        $builder->add('priority', IntegerType::class, [
+            'label' => 'info_providers.bulk_search.priority',
+            'help' => 'info_providers.bulk_search.priority.help',
+            'required' => false,
+            'data' => 1, // Default priority
+            'attr' => [
+                'min' => 1,
+                'max' => 10,
+                'class' => 'form-control-sm',
+                'style' => 'width: 80px;'
+            ],
+            'constraints' => [
+                new \Symfony\Component\Validator\Constraints\Range(['min' => 1, 'max' => 10]),
+            ],
+        ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'field_choices' => [],
+        ]);
+    }
+}

src/Form/InfoProviderSystem/GlobalFieldMappingType.php

@@ -0,0 +1,67 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Form\InfoProviderSystem;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\CollectionType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class GlobalFieldMappingType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $fieldChoices = $options['field_choices'] ?? [];
+
+        $builder->add('field_mappings', CollectionType::class, [
+            'entry_type' => FieldToProviderMappingType::class,
+            'entry_options' => [
+                'label' => false,
+                'field_choices' => $fieldChoices,
+            ],
+            'allow_add' => true,
+            'allow_delete' => true,
+            'prototype' => true,
+            'label' => false,
+        ]);
+
+        $builder->add('prefetch_details', CheckboxType::class, [
+            'label' => 'info_providers.bulk_import.prefetch_details',
+            'required' => false,
+            'help' => 'info_providers.bulk_import.prefetch_details_help',
+        ]);
+
+        $builder->add('submit', SubmitType::class, [
+            'label' => 'info_providers.bulk_import.search.submit'
+        ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'field_choices' => [],
+        ]);
+    }
+}

src/Form/InfoProviderSystem/PartProviderConfigurationType.php

@@ -0,0 +1,55 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Form\InfoProviderSystem;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\FormBuilderInterface;
+
+class PartProviderConfigurationType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder->add('part_id', HiddenType::class);
+
+        $builder->add('search_field', ChoiceType::class, [
+            'label' => 'info_providers.bulk_search.search_field',
+            'choices' => [
+                'info_providers.bulk_search.field.mpn' => 'mpn',
+                'info_providers.bulk_search.field.name' => 'name',
+                'info_providers.bulk_search.field.digikey_spn' => 'digikey_spn',
+                'info_providers.bulk_search.field.mouser_spn' => 'mouser_spn',
+                'info_providers.bulk_search.field.lcsc_spn' => 'lcsc_spn',
+                'info_providers.bulk_search.field.farnell_spn' => 'farnell_spn',
+            ],
+            'expanded' => false,
+            'multiple' => false,
+        ]);
+
+        $builder->add('providers', ProviderSelectType::class, [
+            'label' => 'info_providers.bulk_search.providers',
+            'help' => 'info_providers.bulk_search.providers.help',
+        ]);
+    }
+}

src/Form/InfoProviderSystem/ProviderSelectType.php

@@ -24,9 +24,7 @@ declare(strict_types=1);
 namespace App\Form\InfoProviderSystem;
 
 use App\Services\InfoProviderSystem\ProviderRegistry;
-use App\Services\InfoProviderSystem\Providers\InfoProviderInterface;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\ChoiceList\ChoiceList;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;

src/Services/ElementTypeNameGenerator.php

@@ -22,13 +22,13 @@ declare(strict_types=1);
 
 namespace App\Services;
 
-use App\Entity\Attachments\AttachmentContainingDBElement;
 use App\Entity\Attachments\Attachment;
+use App\Entity\Attachments\AttachmentContainingDBElement;
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\AbstractDBElement;
 use App\Entity\Contracts\NamedElementInterface;
-use App\Entity\Parts\PartAssociation;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
-use App\Entity\ProjectSystem\Project;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
 use App\Entity\LabelSystem\LabelProfile;
 use App\Entity\Parameters\AbstractParameter;
 use App\Entity\Parts\Category;
@@ -36,12 +36,14 @@ use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
+use App\Entity\Parts\PartAssociation;
 use App\Entity\Parts\PartLot;
 use App\Entity\Parts\StorageLocation;
 use App\Entity\Parts\Supplier;
 use App\Entity\PriceInformations\Currency;
 use App\Entity\PriceInformations\Orderdetail;
 use App\Entity\PriceInformations\Pricedetail;
+use App\Entity\ProjectSystem\Project;
 use App\Entity\ProjectSystem\ProjectBOMEntry;
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
@@ -79,6 +81,8 @@ class ElementTypeNameGenerator
             AbstractParameter::class => $this->translator->trans('parameter.label'),
             LabelProfile::class => $this->translator->trans('label_profile.label'),
             PartAssociation::class => $this->translator->trans('part_association.label'),
+            BulkInfoProviderImportJob::class => $this->translator->trans('bulk_info_provider_import_job.label'),
+            BulkInfoProviderImportJobPart::class => $this->translator->trans('bulk_info_provider_import_job_part.label'),
         ];
     }
 
@@ -130,10 +134,10 @@ class ElementTypeNameGenerator
     {
         $type = $this->getLocalizedTypeLabel($entity);
         if ($use_html) {
-            return '<i>'.$type.':</i> '.htmlspecialchars($entity->getName());
+            return '<i>' . $type . ':</i> ' . htmlspecialchars($entity->getName());
         }
 
-        return $type.': '.$entity->getName();
+        return $type . ': ' . $entity->getName();
     }
 
 

src/Services/EntityMergers/Mergers/PartMerger.php

@@ -100,7 +100,8 @@ class PartMerger implements EntityMergerInterface
         return $target;
     }
 
-    private function comparePartAssociations(PartAssociation $t, PartAssociation $o): bool {
+    private function comparePartAssociations(PartAssociation $t, PartAssociation $o): bool
+    {
         //We compare the translation keys, as it contains info about the type and other type info
         return $t->getOther() === $o->getOther()
             && $t->getTypeTranslationKey() === $o->getTypeTranslationKey();
@@ -141,40 +142,39 @@ class PartMerger implements EntityMergerInterface
             $owner->addAssociatedPartsAsOwner($clone);
         }
 
+        // Merge orderdetails, considering same supplier+part number as duplicates
         $this->mergeCollections($target, $other, 'orderdetails', function (Orderdetail $t, Orderdetail $o) {
-            //First check that the orderdetails infos are equal
+            // If supplier and part number match, merge the orderdetails
-            $tmp = $t->getSupplier() === $o->getSupplier()
+            if ($t->getSupplier() === $o->getSupplier() && $t->getSupplierPartNr() === $o->getSupplierPartNr()) {
-                && $t->getSupplierPartNr() === $o->getSupplierPartNr()
+                // Update URL if target doesn't have one
-                && $t->getSupplierProductUrl(false) === $o->getSupplierProductUrl(false);
+                if (empty($t->getSupplierProductUrl(false)) && !empty($o->getSupplierProductUrl(false))) {
-
+                    $t->setSupplierProductUrl($o->getSupplierProductUrl(false));
-            if (!$tmp) {
-                return false;
                 }
-
+                // Merge price details: add new ones, update empty ones, keep existing non-empty ones
-            //Check if the pricedetails are equal
+                foreach ($o->getPricedetails() as $otherPrice) {
-            $t_pricedetails = $t->getPricedetails();
+                    $found = false;
-            $o_pricedetails = $o->getPricedetails();
+                    foreach ($t->getPricedetails() as $targetPrice) {
-            //Ensure that both pricedetails have the same length
+                        if ($targetPrice->getMinDiscountQuantity() === $otherPrice->getMinDiscountQuantity()
-            if (count($t_pricedetails) !== count($o_pricedetails)) {
+                            && $targetPrice->getCurrency() === $otherPrice->getCurrency()) {
-                return false;
+                            // Only update price if the existing one is zero/empty (most logical)
+                            if ($targetPrice->getPrice()->isZero()) {
+                                $targetPrice->setPrice($otherPrice->getPrice());
+                                $targetPrice->setPriceRelatedQuantity($otherPrice->getPriceRelatedQuantity());
                             }
-
+                            $found = true;
-            //Check if all pricedetails are equal
+                            break;
-            for ($n=0, $nMax = count($t_pricedetails); $n< $nMax; $n++) {
-                $t_price = $t_pricedetails->get($n);
-                $o_price = $o_pricedetails->get($n);
-
-                if (!$t_price->getPrice()->isEqualTo($o_price->getPrice())
-                    || $t_price->getCurrency() !== $o_price->getCurrency()
-                    || $t_price->getPriceRelatedQuantity() !== $o_price->getPriceRelatedQuantity()
-                    || $t_price->getMinDiscountQuantity() !== $o_price->getMinDiscountQuantity()
-                ) {
-                    return false;
                         }
                     }
-
+                    // Add completely new price tiers
-            //If all pricedetails are equal, the orderdetails are equal
+                    if (!$found) {
-            return true;
+                        $clonedPrice = clone $otherPrice;
+                        $clonedPrice->setOrderdetail($t);
+                        $t->addPricedetail($clonedPrice);
+                    }
+                }
+                return true; // Consider them equal so the other one gets skipped
+            }
+            return false; // Different supplier/part number, add as new
         });
         //The pricedetails are not correctly assigned to the new orderdetails, so fix that
         foreach ($target->getOrderdetails() as $orderdetail) {

src/Services/ImportExportSystem/EntityExporter.php

@@ -38,6 +38,9 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\ResponseHeaderBag;
 use Symfony\Component\Serializer\SerializerInterface;
 use function Symfony\Component\String\u;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+use PhpOffice\PhpSpreadsheet\Writer\Xls;
 
 /**
  * Use this class to export an entity to multiple file formats.
@@ -52,7 +55,7 @@ class EntityExporter
     protected function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefault('format', 'csv');
-        $resolver->setAllowedValues('format', ['csv', 'json', 'xml', 'yaml']);
+        $resolver->setAllowedValues('format', ['csv', 'json', 'xml', 'yaml', 'xlsx', 'xls']);
 
         $resolver->setDefault('csv_delimiter', ';');
         $resolver->setAllowedTypes('csv_delimiter', 'string');
@@ -88,13 +91,20 @@ class EntityExporter
 
         $options = $resolver->resolve($options);
 
+        //Handle Excel formats by converting from CSV
+        if (in_array($options['format'], ['xlsx', 'xls'], true)) {
+            return $this->exportToExcel($entities, $options);
+        }
+
         //If include children is set, then we need to add the include_children group
         $groups = [$options['level']];
         if ($options['include_children']) {
             $groups[] = 'include_children';
         }
 
-        return $this->serializer->serialize($entities, $options['format'],
+        return $this->serializer->serialize(
+            $entities,
+            $options['format'],
             [
                 'groups' => $groups,
                 'as_collection' => true,
@@ -109,7 +119,7 @@ class EntityExporter
         );
     }
 
-    private function handleCircularReference(object $object, string $format, array $context): string
+    private function handleCircularReference(object $object): string
     {
         if ($object instanceof AbstractStructuralDBElement) {
             return $object->getFullPath("->");
@@ -119,7 +129,75 @@ class EntityExporter
             return $object->__toString();
         }
 
-        throw new CircularReferenceException('Circular reference detected for object of type '.get_class($object));
+        throw new CircularReferenceException('Circular reference detected for object of type ' . get_class($object));
+    }
+
+    /**
+     * Exports entities to Excel format (xlsx or xls).
+     *
+     * @param AbstractNamedDBElement[] $entities The entities to export
+     * @param array                    $options  The export options
+     *
+     * @return string The Excel file content as binary string
+     */
+    protected function exportToExcel(array $entities, array $options): string
+    {
+        //First get CSV data using existing serializer
+        $groups = [$options['level']];
+        if ($options['include_children']) {
+            $groups[] = 'include_children';
+        }
+
+        $csvData = $this->serializer->serialize(
+            $entities,
+            'csv',
+            [
+                'groups' => $groups,
+                'as_collection' => true,
+                'csv_delimiter' => $options['csv_delimiter'],
+                'partdb_export' => true,
+                SkippableItemNormalizer::DISABLE_ITEM_NORMALIZER => true,
+                AbstractNormalizer::CIRCULAR_REFERENCE_HANDLER => $this->handleCircularReference(...),
+            ]
+        );
+
+        //Convert CSV to Excel
+        $spreadsheet = new Spreadsheet();
+        $worksheet = $spreadsheet->getActiveSheet();
+
+        $rows = explode("\n", $csvData);
+        $rowIndex = 1;
+
+        foreach ($rows as $row) {
+            if (trim($row) === '') {
+                continue;
+            }
+
+            $columns = str_getcsv($row, $options['csv_delimiter'], '"', '\\');
+            $colIndex = 1;
+
+            foreach ($columns as $column) {
+                $cellCoordinate = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex) . $rowIndex;
+                $worksheet->setCellValue($cellCoordinate, $column);
+                $colIndex++;
+            }
+            $rowIndex++;
+        }
+
+        //Save to memory stream
+        $writer = $options['format'] === 'xlsx' ? new Xlsx($spreadsheet) : new Xls($spreadsheet);
+
+        $memFile = fopen("php://temp", 'r+b');
+        $writer->save($memFile);
+        rewind($memFile);
+        $content = stream_get_contents($memFile);
+        fclose($memFile);
+
+        if ($content === false) {
+            throw new \RuntimeException('Failed to read Excel content from memory stream.');
+        }
+
+        return $content;
     }
 
     /**
@@ -156,19 +234,15 @@ class EntityExporter
 
         //Determine the content type for the response
 
-        //Plain text should work for all types
-        $content_type = 'text/plain';
-
         //Try to use better content types based on the format
         $format = $options['format'];
-        switch ($format) {
+        $content_type = match ($format) {
-            case 'xml':
+            'xml' => 'application/xml',
-                $content_type = 'application/xml';
+            'json' => 'application/json',
-                break;
+            'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
-            case 'json':
+            'xls' => 'application/vnd.ms-excel',
-                $content_type = 'application/json';
+            default => 'text/plain',
-                break;
+        };
-        }
         $response->headers->set('Content-Type', $content_type);
 
         //If view option is not specified, then download the file.
@@ -186,7 +260,7 @@ class EntityExporter
 
             $level = $options['level'];
 
-            $filename = 'export_'.$entity_name.'_'.$level.'.'.$format;
+            $filename = "export_{$entity_name}_{$level}.{$format}";
 
             //Sanitize the filename
             $filename = FilenameSanatizer::sanitizeFilename($filename);

src/Services/ImportExportSystem/EntityImporter.php

@@ -38,6 +38,9 @@ use Symfony\Component\HttpFoundation\File\File;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Serializer\SerializerInterface;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use Psr\Log\LoggerInterface;
 
 /**
  * @see \App\Tests\Services\ImportExportSystem\EntityImporterTest
@@ -50,7 +53,7 @@ class EntityImporter
      */
     private const ENCODINGS = ["ASCII", "UTF-8", "ISO-8859-1", "ISO-8859-15", "Windows-1252", "UTF-16", "UTF-32"];
 
-    public function __construct(protected SerializerInterface $serializer, protected EntityManagerInterface $em, protected ValidatorInterface $validator)
+    public function __construct(protected SerializerInterface $serializer, protected EntityManagerInterface $em, protected ValidatorInterface $validator, protected LoggerInterface $logger)
     {
     }
 
@@ -102,7 +105,7 @@ class EntityImporter
 
         foreach ($names as $name) {
             //Count indentation level (whitespace characters at the beginning of the line)
-            $identSize = strlen($name)-strlen(ltrim($name));
+            $identSize = strlen($name) - strlen(ltrim($name));
 
             //If the line is intended more than the last line, we have a new parent element
             if ($identSize > end($indentations)) {
@@ -195,7 +198,10 @@ class EntityImporter
         }
 
         //The [] behind class_name denotes that we expect an array.
-        $entities = $this->serializer->deserialize($data, $options['class'].'[]', $options['format'],
+        $entities = $this->serializer->deserialize(
+            $data,
+            $options['class'] . '[]',
+            $options['format'],
             [
                 'groups' => $groups,
                 'csv_delimiter' => $options['csv_delimiter'],
@@ -204,7 +210,8 @@ class EntityImporter
                 'partdb_import' => true,
                     //Disable API Platform normalizer, as we don't want to use it here
                 SkippableItemNormalizer::DISABLE_ITEM_NORMALIZER => true,
-            ]);
+            ]
+        );
 
         //Ensure we have an array of entity elements.
         if (!is_array($entities)) {
@@ -279,7 +286,7 @@ class EntityImporter
             'path_delimiter' => '->', //The delimiter used to separate the path elements in the name of a structural element
         ]);
 
-        $resolver->setAllowedValues('format', ['csv', 'json', 'xml', 'yaml']);
+        $resolver->setAllowedValues('format', ['csv', 'json', 'xml', 'yaml', 'xlsx', 'xls']);
         $resolver->setAllowedTypes('csv_delimiter', 'string');
         $resolver->setAllowedTypes('preserve_children', 'bool');
         $resolver->setAllowedTypes('class', 'string');
@@ -335,6 +342,33 @@ class EntityImporter
      */
     public function importFile(File $file, array $options = [], array &$errors = []): array
     {
+        $resolver = new OptionsResolver();
+        $this->configureOptions($resolver);
+        $options = $resolver->resolve($options);
+
+        if (in_array($options['format'], ['xlsx', 'xls'], true)) {
+            $this->logger->info('Converting Excel file to CSV', [
+                'filename' => $file->getFilename(),
+                'format' => $options['format'],
+                'delimiter' => $options['csv_delimiter']
+            ]);
+
+            $csvData = $this->convertExcelToCsv($file, $options['csv_delimiter']);
+            $options['format'] = 'csv';
+
+            $this->logger->debug('Excel to CSV conversion completed', [
+                'csv_length' => strlen($csvData),
+                'csv_lines' => substr_count($csvData, "\n") + 1
+            ]);
+
+            // Log the converted CSV for debugging (first 1000 characters)
+            $this->logger->debug('Converted CSV preview', [
+                'csv_preview' => substr($csvData, 0, 1000) . (strlen($csvData) > 1000 ? '...' : '')
+            ]);
+
+            return $this->importString($csvData, $options, $errors);
+        }
+
         return $this->importString($file->getContent(), $options, $errors);
     }
 
@@ -354,10 +388,103 @@ class EntityImporter
             'xml' => 'xml',
             'csv', 'tsv' => 'csv',
             'yaml', 'yml' => 'yaml',
+            'xlsx' => 'xlsx',
+            'xls' => 'xls',
             default => null,
         };
     }
 
+    /**
+     * Converts Excel file to CSV format using PhpSpreadsheet.
+     *
+     * @param File   $file      The Excel file to convert
+     * @param string $delimiter The CSV delimiter to use
+     * 
+     * @return string The CSV data as string
+     */
+    protected function convertExcelToCsv(File $file, string $delimiter = ';'): string
+    {
+        try {
+            $this->logger->debug('Loading Excel file', ['path' => $file->getPathname()]);
+            $spreadsheet = IOFactory::load($file->getPathname());
+            $worksheet = $spreadsheet->getActiveSheet();
+
+            $csvData = [];
+            $highestRow = $worksheet->getHighestRow();
+            $highestColumn = $worksheet->getHighestColumn();
+
+            $this->logger->debug('Excel file dimensions', [
+                'rows' => $highestRow,
+                'columns_detected' => $highestColumn,
+                'worksheet_title' => $worksheet->getTitle()
+            ]);
+
+            $highestColumnIndex = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::columnIndexFromString($highestColumn);
+            
+            for ($row = 1; $row <= $highestRow; $row++) {
+                $rowData = [];
+
+                // Read all columns using numeric index
+                for ($colIndex = 1; $colIndex <= $highestColumnIndex; $colIndex++) {
+                    $col = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex);
+                    try {
+                        $cellValue = $worksheet->getCell("{$col}{$row}")->getCalculatedValue();
+                        $rowData[] = $cellValue ?? '';
+                        
+                    } catch (\Exception $e) {
+                        $this->logger->warning('Error reading cell value', [
+                            'cell' => "{$col}{$row}",
+                            'error' => $e->getMessage()
+                        ]);
+                        $rowData[] = '';
+                    }
+                }
+
+                $csvRow = implode($delimiter, array_map(function ($value) use ($delimiter) {
+                    $value = (string) $value;
+                    if (strpos($value, $delimiter) !== false || strpos($value, '"') !== false || strpos($value, "\n") !== false) {
+                        return '"' . str_replace('"', '""', $value) . '"';
+                    }
+                    return $value;
+                }, $rowData));
+
+                $csvData[] = $csvRow;
+
+                // Log first few rows for debugging
+                if ($row <= 3) {
+                    $this->logger->debug("Row {$row} converted", [
+                        'original_data' => $rowData,
+                        'csv_row' => $csvRow,
+                        'first_cell_raw' => $worksheet->getCell("A{$row}")->getValue(),
+                        'first_cell_calculated' => $worksheet->getCell("A{$row}")->getCalculatedValue()
+                    ]);
+                }
+            }
+
+            $result = implode("\n", $csvData);
+
+            $this->logger->info('Excel to CSV conversion successful', [
+                'total_rows' => count($csvData),
+                'total_characters' => strlen($result)
+            ]);
+
+            $this->logger->debug('Full CSV data', [
+                'csv_data' => $result
+            ]);
+
+            return $result;
+
+        } catch (\Exception $e) {
+            $this->logger->error('Failed to convert Excel to CSV', [
+                'file' => $file->getFilename(),
+                'error' => $e->getMessage(),
+                'trace' => $e->getTraceAsString()
+            ]);
+            throw $e;
+        }
+    }
+
+
     /**
      * This functions corrects the parent setting based on the children value of the parent.
      *

src/Services/InfoProviderSystem/BulkInfoProviderService.php

@@ -0,0 +1,380 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem;
+
+use App\Entity\Parts\Part;
+use App\Entity\Parts\Supplier;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO;
+use App\Services\InfoProviderSystem\Providers\BatchInfoProviderInterface;
+use App\Services\InfoProviderSystem\Providers\InfoProviderInterface;
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\ClientException;
+
+final class BulkInfoProviderService
+{
+    /** @var array<string, Supplier|null> Cache for normalized supplier names */
+    private array $supplierCache = [];
+
+    public function __construct(
+        private readonly PartInfoRetriever $infoRetriever,
+        private readonly ExistingPartFinder $existingPartFinder,
+        private readonly ProviderRegistry $providerRegistry,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly LoggerInterface $logger
+    ) {}
+
+    /**
+     * Perform bulk search across multiple parts and providers.
+     *
+     * @param Part[] $parts Array of parts to search for
+     * @param BulkSearchFieldMappingDTO[] $fieldMappings Array of field mappings defining search strategy
+     * @param bool $prefetchDetails Whether to prefetch detailed information for results
+     * @return BulkSearchResponseDTO Structured response containing all search results
+     * @throws \InvalidArgumentException If no valid parts provided
+     * @throws \RuntimeException If no search results found for any parts
+     */
+    public function performBulkSearch(array $parts, array $fieldMappings, bool $prefetchDetails = false): BulkSearchResponseDTO
+    {
+        if (empty($parts)) {
+            throw new \InvalidArgumentException('No valid parts found for bulk import');
+        }
+
+        $partResults = [];
+        $hasAnyResults = false;
+
+        // Group providers by batch capability
+        $batchProviders = [];
+        $regularProviders = [];
+
+        foreach ($fieldMappings as $mapping) {
+            foreach ($mapping->providers as $providerKey) {
+                if (!is_string($providerKey)) {
+                    $this->logger->error('Invalid provider key type', [
+                        'providerKey' => $providerKey,
+                        'type' => gettype($providerKey)
+                    ]);
+                    continue;
+                }
+
+                $provider = $this->providerRegistry->getProviderByKey($providerKey);
+                if ($provider instanceof BatchInfoProviderInterface) {
+                    $batchProviders[$providerKey] = $provider;
+                } else {
+                    $regularProviders[$providerKey] = $provider;
+                }
+            }
+        }
+
+        // Process batch providers first (more efficient)
+        $batchResults = $this->processBatchProviders($parts, $fieldMappings, $batchProviders);
+
+        // Process regular providers
+        $regularResults = $this->processRegularProviders($parts, $fieldMappings, $regularProviders, $batchResults);
+
+        // Combine and format results for each part
+        foreach ($parts as $part) {
+            $searchResults = [];
+
+            // Get results from batch and regular processing
+            $allResults = array_merge(
+                $batchResults[$part->getId()] ?? [],
+                $regularResults[$part->getId()] ?? []
+            );
+
+            if (!empty($allResults)) {
+                $hasAnyResults = true;
+                $searchResults = $this->formatSearchResults($allResults);
+            }
+
+            $partResults[] = new BulkSearchPartResultsDTO(
+                part: $part,
+                searchResults: $searchResults,
+                errors: []
+            );
+        }
+
+        if (!$hasAnyResults) {
+            throw new \RuntimeException('No search results found for any of the selected parts');
+        }
+
+        $response = new BulkSearchResponseDTO($partResults);
+
+        // Prefetch details if requested
+        if ($prefetchDetails) {
+            $this->prefetchDetailsForResults($response);
+        }
+
+        return $response;
+    }
+
+    /**
+     * Process parts using batch-capable info providers.
+     *
+     * @param Part[] $parts Array of parts to search for
+     * @param BulkSearchFieldMappingDTO[] $fieldMappings Array of field mapping configurations
+     * @param array<string, BatchInfoProviderInterface> $batchProviders Batch providers indexed by key
+     * @return array<int, BulkSearchPartResultDTO[]> Results indexed by part ID
+     */
+    private function processBatchProviders(array $parts, array $fieldMappings, array $batchProviders): array
+    {
+        $batchResults = [];
+
+        foreach ($batchProviders as $providerKey => $provider) {
+            $keywords = $this->collectKeywordsForProvider($parts, $fieldMappings, $providerKey);
+
+            if (empty($keywords)) {
+                continue;
+            }
+
+            try {
+                $providerResults = $provider->searchByKeywordsBatch($keywords);
+
+                // Map results back to parts
+                foreach ($parts as $part) {
+                    foreach ($fieldMappings as $mapping) {
+                        if (!in_array($providerKey, $mapping->providers, true)) {
+                            continue;
+                        }
+
+                        $keyword = $this->getKeywordFromField($part, $mapping->field);
+                        if ($keyword && isset($providerResults[$keyword])) {
+                            foreach ($providerResults[$keyword] as $dto) {
+                                $batchResults[$part->getId()][] = new BulkSearchPartResultDTO(
+                                    searchResult: $dto,
+                                    sourceField: $mapping->field,
+                                    sourceKeyword: $keyword,
+                                    localPart: $this->existingPartFinder->findFirstExisting($dto),
+                                    priority: $mapping->priority
+                                );
+                            }
+                        }
+                    }
+                }
+            } catch (\Exception $e) {
+                $this->logger->error('Batch search failed for provider ' . $providerKey, [
+                    'error' => $e->getMessage(),
+                    'provider' => $providerKey
+                ]);
+            }
+        }
+
+        return $batchResults;
+    }
+
+    /**
+     * Process parts using regular (non-batch) info providers.
+     *
+     * @param Part[] $parts Array of parts to search for
+     * @param BulkSearchFieldMappingDTO[] $fieldMappings Array of field mapping configurations
+     * @param array<string, InfoProviderInterface> $regularProviders Regular providers indexed by key
+     * @param array<int, BulkSearchPartResultDTO[]> $excludeResults Results to exclude (from batch processing)
+     * @return array<int, BulkSearchPartResultDTO[]> Results indexed by part ID
+     */
+    private function processRegularProviders(array $parts, array $fieldMappings, array $regularProviders, array $excludeResults): array
+    {
+        $regularResults = [];
+
+        foreach ($parts as $part) {
+            $regularResults[$part->getId()] = [];
+
+            // Skip if we already have batch results for this part
+            if (!empty($excludeResults[$part->getId()] ?? [])) {
+                continue;
+            }
+
+            foreach ($fieldMappings as $mapping) {
+                $providers = array_intersect($mapping->providers, array_keys($regularProviders));
+
+                if (empty($providers)) {
+                    continue;
+                }
+
+                $keyword = $this->getKeywordFromField($part, $mapping->field);
+                if (!$keyword) {
+                    continue;
+                }
+
+                try {
+                    $dtos = $this->infoRetriever->searchByKeyword($keyword, $providers);
+
+                    foreach ($dtos as $dto) {
+                        $regularResults[$part->getId()][] = new BulkSearchPartResultDTO(
+                            searchResult: $dto,
+                            sourceField: $mapping->field,
+                            sourceKeyword: $keyword,
+                            localPart: $this->existingPartFinder->findFirstExisting($dto),
+                            priority: $mapping->priority
+                        );
+                    }
+                } catch (ClientException $e) {
+                    $this->logger->error('Regular search failed', [
+                        'part_id' => $part->getId(),
+                        'field' => $mapping->field,
+                        'error' => $e->getMessage()
+                    ]);
+                }
+            }
+        }
+
+        return $regularResults;
+    }
+
+    /**
+     * Collect unique keywords for a specific provider from all parts and field mappings.
+     *
+     * @param Part[] $parts Array of parts to collect keywords from
+     * @param BulkSearchFieldMappingDTO[] $fieldMappings Array of field mapping configurations
+     * @param string $providerKey The provider key to collect keywords for
+     * @return string[] Array of unique keywords
+     */
+    private function collectKeywordsForProvider(array $parts, array $fieldMappings, string $providerKey): array
+    {
+        $keywords = [];
+
+        foreach ($parts as $part) {
+            foreach ($fieldMappings as $mapping) {
+                if (!in_array($providerKey, $mapping->providers, true)) {
+                    continue;
+                }
+
+                $keyword = $this->getKeywordFromField($part, $mapping->field);
+                if ($keyword && !in_array($keyword, $keywords, true)) {
+                    $keywords[] = $keyword;
+                }
+            }
+        }
+
+        return $keywords;
+    }
+
+    private function getKeywordFromField(Part $part, string $field): ?string
+    {
+        return match ($field) {
+            'mpn' => $part->getManufacturerProductNumber(),
+            'name' => $part->getName(),
+            default => $this->getSupplierPartNumber($part, $field)
+        };
+    }
+
+    private function getSupplierPartNumber(Part $part, string $field): ?string
+    {
+        if (!str_ends_with($field, '_spn')) {
+            return null;
+        }
+
+        $supplierKey = substr($field, 0, -4);
+        $supplier = $this->getSupplierByNormalizedName($supplierKey);
+
+        if (!$supplier) {
+            return null;
+        }
+
+        $orderDetail = $part->getOrderdetails()->filter(
+            fn($od) => $od->getSupplier()?->getId() === $supplier->getId()
+        )->first();
+
+        return $orderDetail !== false ? $orderDetail->getSupplierpartnr() : null;
+    }
+
+    /**
+     * Get supplier by normalized name with caching to prevent N+1 queries.
+     *
+     * @param string $normalizedKey The normalized supplier key to search for
+     * @return Supplier|null The matching supplier or null if not found
+     */
+    private function getSupplierByNormalizedName(string $normalizedKey): ?Supplier
+    {
+        // Check cache first
+        if (isset($this->supplierCache[$normalizedKey])) {
+            return $this->supplierCache[$normalizedKey];
+        }
+
+        // Use efficient database query with PHP normalization
+        // Since DQL doesn't support REPLACE, we'll load all suppliers once and cache the normalization
+        if (empty($this->supplierCache)) {
+            $this->loadSuppliersIntoCache();
+        }
+
+        $supplier = $this->supplierCache[$normalizedKey] ?? null;
+
+        // Cache the result (including null results to prevent repeated queries)
+        $this->supplierCache[$normalizedKey] = $supplier;
+
+        return $supplier;
+    }
+
+    /**
+     * Load all suppliers into cache with normalized names to avoid N+1 queries.
+     */
+    private function loadSuppliersIntoCache(): void
+    {
+        /** @var Supplier[] $suppliers */
+        $suppliers = $this->entityManager->getRepository(Supplier::class)->findAll();
+
+        foreach ($suppliers as $supplier) {
+            $normalizedName = strtolower(str_replace([' ', '-', '_'], '_', $supplier->getName()));
+            $this->supplierCache[$normalizedName] = $supplier;
+        }
+    }
+
+    /**
+     * Format and deduplicate search results.
+     *
+     * @param BulkSearchPartResultDTO[] $bulkResults Array of bulk search results
+     * @return BulkSearchPartResultDTO[] Array of formatted search results with metadata
+     */
+    private function formatSearchResults(array $bulkResults): array
+    {
+        // Sort by priority and remove duplicates
+        usort($bulkResults, fn($a, $b) => $a->priority <=> $b->priority);
+
+        $uniqueResults = [];
+        $seenKeys = [];
+
+        foreach ($bulkResults as $result) {
+            $key = "{$result->searchResult->provider_key}|{$result->searchResult->provider_id}";
+            if (!in_array($key, $seenKeys, true)) {
+                $seenKeys[] = $key;
+                $uniqueResults[] = $result;
+            }
+        }
+
+        return $uniqueResults;
+    }
+
+    /**
+     * Prefetch detailed information for search results.
+     *
+     * @param BulkSearchResponseDTO $searchResults Search results (supports both new DTO and legacy array format)
+     */
+    public function prefetchDetailsForResults(BulkSearchResponseDTO $searchResults): void
+    {
+        $prefetchCount = 0;
+
+        // Handle both new DTO format and legacy array format for backwards compatibility
+        foreach ($searchResults->partResults as $partResult) {
+            foreach ($partResult->searchResults as $result) {
+                $dto = $result->searchResult;
+
+                try {
+                    $this->infoRetriever->getDetails($dto->provider_key, $dto->provider_id);
+                    $prefetchCount++;
+                } catch (\Exception $e) {
+                    $this->logger->warning('Failed to prefetch details for provider part', [
+                        'provider_key' => $dto->provider_key,
+                        'provider_id' => $dto->provider_id,
+                        'error' => $e->getMessage()
+                    ]);
+                }
+            }
+        }
+
+        $this->logger->info("Prefetched details for {$prefetchCount} search results");
+    }
+}

src/Services/InfoProviderSystem/DTOs/BulkSearchFieldMappingDTO.php

@@ -0,0 +1,91 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem\DTOs;
+
+/**
+ * Represents a mapping between a part field and the info providers that should search in that field.
+ */
+readonly class BulkSearchFieldMappingDTO
+{
+    /**
+     * @param string $field The field to search in (e.g., 'mpn', 'name', or supplier-specific fields like 'digikey_spn')
+     * @param string[] $providers Array of provider keys to search with (e.g., ['digikey', 'farnell'])
+     * @param int $priority Priority for this field mapping (1-10, lower numbers = higher priority)
+     */
+    public function __construct(
+        public string $field,
+        public array $providers,
+        public int $priority = 1
+    ) {
+        if ($priority < 1 || $priority > 10) {
+            throw new \InvalidArgumentException('Priority must be between 1 and 10');
+        }
+    }
+
+    /**
+     * Create a FieldMappingDTO from legacy array format.
+     * @param array{field: string, providers: string[], priority?: int} $data
+     */
+    public static function fromSerializableArray(array $data): self
+    {
+        return new self(
+            field: $data['field'],
+            providers: $data['providers'] ?? [],
+            priority: $data['priority'] ?? 1
+        );
+    }
+
+    /**
+     * Convert this DTO to the legacy array format for backwards compatibility.
+     * @return array{field: string, providers: string[], priority: int}
+     */
+    public function toSerializableArray(): array
+    {
+        return [
+            'field' => $this->field,
+            'providers' => $this->providers,
+            'priority' => $this->priority,
+        ];
+    }
+
+    /**
+     * Check if this field mapping is for a supplier part number field.
+     */
+    public function isSupplierPartNumberField(): bool
+    {
+        return str_ends_with($this->field, '_spn');
+    }
+
+    /**
+     * Get the supplier key from a supplier part number field.
+     * Returns null if this is not a supplier part number field.
+     */
+    public function getSupplierKey(): ?string
+    {
+        if (!$this->isSupplierPartNumberField()) {
+            return null;
+        }
+
+        return substr($this->field, 0, -4);
+    }
+}

src/Services/InfoProviderSystem/DTOs/BulkSearchPartResultDTO.php

@@ -0,0 +1,44 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem\DTOs;
+
+use App\Entity\Parts\Part;
+
+/**
+ * Represents a single search result from bulk search with additional context information, like how the part was found.
+ */
+readonly class BulkSearchPartResultDTO
+{
+    public function __construct(
+        /** The base search result DTO containing provider data */
+        public SearchResultDTO $searchResult,
+        /** The field that was used to find this result */
+        public ?string $sourceField = null,
+        /** The actual keyword that was searched for */
+        public ?string $sourceKeyword = null,
+        /** Local part that matches this search result, if any */
+        public ?Part $localPart = null,
+        /** Priority for this search result */
+        public int $priority = 1
+    ) {}
+}

src/Services/InfoProviderSystem/DTOs/BulkSearchPartResultsDTO.php

@@ -0,0 +1,83 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem\DTOs;
+
+use App\Entity\Parts\Part;
+
+/**
+ * Represents the search results for a single part from bulk info provider search.
+ * It contains multiple search results, that match the part.
+ */
+readonly class BulkSearchPartResultsDTO
+{
+    /**
+     * @param Part $part The part that was searched for
+     * @param BulkSearchPartResultDTO[] $searchResults Array of search results found for this part
+     * @param string[] $errors Array of error messages encountered during search
+     */
+    public function __construct(
+        public Part $part,
+        public array $searchResults = [],
+        public array $errors = []
+    ) {}
+
+    /**
+     * Check if this part has any search results.
+     */
+    public function hasResults(): bool
+    {
+        return !empty($this->searchResults);
+    }
+
+    /**
+     * Check if this part has any errors.
+     */
+    public function hasErrors(): bool
+    {
+        return !empty($this->errors);
+    }
+
+    /**
+     * Get the number of search results for this part.
+     */
+    public function getResultCount(): int
+    {
+        return count($this->searchResults);
+    }
+
+    public function getErrorCount(): int
+    {
+        return count($this->errors);
+    }
+
+    /**
+     * Get search results sorted by priority (ascending).
+     * @return BulkSearchPartResultDTO[]
+     */
+    public function getResultsSortedByPriority(): array
+    {
+        $results = $this->searchResults;
+        usort($results, static fn(BulkSearchPartResultDTO $a, BulkSearchPartResultDTO $b) => $a->priority <=> $b->priority);
+        return $results;
+    }
+}

src/Services/InfoProviderSystem/DTOs/BulkSearchResponseDTO.php

@@ -0,0 +1,231 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Services\InfoProviderSystem\DTOs;
+
+use App\Entity\Parts\Part;
+use Doctrine\ORM\EntityManagerInterface;
+use Traversable;
+
+/**
+ * Represents the complete response from a bulk info provider search operation.
+ * It contains a list of PartSearchResultDTOs, one for each part searched.
+ */
+readonly class BulkSearchResponseDTO implements \ArrayAccess, \IteratorAggregate
+{
+    /**
+     * @param BulkSearchPartResultsDTO[] $partResults Array of search results for each part
+     */
+    public function __construct(
+        public array $partResults
+    ) {}
+
+    /**
+     * Replaces the search results for a specific part, and returns a new instance.
+     * The part to replaced, is identified by the part property of the new_results parameter.
+     * The original instance remains unchanged.
+     * @param  BulkSearchPartResultsDTO  $new_results
+     * @return BulkSearchResponseDTO
+     */
+    public function replaceResultsForPart(BulkSearchPartResultsDTO $new_results): self
+    {
+        $array = $this->partResults;
+        $replaced = false;
+        foreach ($array as $index => $partResult) {
+            if ($partResult->part === $new_results->part) {
+                $array[$index] = $new_results;
+                $replaced = true;
+                break;
+            }
+        }
+
+        if (!$replaced) {
+            throw new \InvalidArgumentException("Part not found in existing results.");
+        }
+
+        return new self($array);
+    }
+
+    /**
+     * Check if any parts have search results.
+     */
+    public function hasAnyResults(): bool
+    {
+        foreach ($this->partResults as $partResult) {
+            if ($partResult->hasResults()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Get the total number of search results across all parts.
+     */
+    public function getTotalResultCount(): int
+    {
+        $count = 0;
+        foreach ($this->partResults as $partResult) {
+            $count += $partResult->getResultCount();
+        }
+        return $count;
+    }
+
+    /**
+     * Get all parts that have search results.
+     * @return BulkSearchPartResultsDTO[]
+     */
+    public function getPartsWithResults(): array
+    {
+        return array_filter($this->partResults, fn($result) => $result->hasResults());
+    }
+
+    /**
+     * Get all parts that have errors.
+     * @return BulkSearchPartResultsDTO[]
+     */
+    public function getPartsWithErrors(): array
+    {
+        return array_filter($this->partResults, fn($result) => $result->hasErrors());
+    }
+
+    /**
+     * Get the number of parts processed.
+     */
+    public function getPartCount(): int
+    {
+        return count($this->partResults);
+    }
+
+    /**
+     * Get the number of parts with successful results.
+     */
+    public function getSuccessfulPartCount(): int
+    {
+        return count($this->getPartsWithResults());
+    }
+
+    /**
+     * Merge multiple BulkSearchResponseDTO instances into one.
+     * @param  BulkSearchResponseDTO  ...$responses
+     * @return BulkSearchResponseDTO
+     */
+    public static function merge(BulkSearchResponseDTO ...$responses): BulkSearchResponseDTO
+    {
+        $mergedResults = [];
+        foreach ($responses as $response) {
+            foreach ($response->partResults as $partResult) {
+                $mergedResults[] = $partResult;
+            }
+        }
+        return new BulkSearchResponseDTO($mergedResults);
+    }
+
+    /**
+     * Convert this DTO to a serializable representation suitable for storage in the database
+     * @return array
+     */
+    public function toSerializableRepresentation(): array
+    {
+        $serialized = [];
+
+        foreach ($this->partResults as $partResult) {
+            $partData = [
+                'part_id' => $partResult->part->getId(),
+                'search_results' => [],
+                'errors' => $partResult->errors ?? []
+            ];
+
+            foreach ($partResult->searchResults as $result) {
+                $partData['search_results'][] = [
+                    'dto' => $result->searchResult->toNormalizedSearchResultArray(),
+                    'source_field' => $result->sourceField ?? null,
+                    'source_keyword' => $result->sourceKeyword ?? null,
+                    'localPart' => $result->localPart?->getId(),
+                    'priority' => $result->priority
+                ];
+            }
+
+            $serialized[] = $partData;
+        }
+
+        return $serialized;
+    }
+
+    /**
+     * Creates a BulkSearchResponseDTO from a serializable representation.
+     * @param  array  $data
+     * @param  EntityManagerInterface  $entityManager
+     * @return BulkSearchResponseDTO
+     * @throws \Doctrine\ORM\Exception\ORMException
+     */
+    public static function fromSerializableRepresentation(array $data, EntityManagerInterface $entityManager): BulkSearchResponseDTO
+    {
+        $partResults = [];
+        foreach ($data as $partData) {
+            $partResults[] = new BulkSearchPartResultsDTO(
+                part: $entityManager->getReference(Part::class, $partData['part_id']),
+                searchResults: array_map(fn($result) => new BulkSearchPartResultDTO(
+                    searchResult: SearchResultDTO::fromNormalizedSearchResultArray($result['dto']),
+                    sourceField: $result['source_field'] ?? null,
+                    sourceKeyword: $result['source_keyword'] ?? null,
+                    localPart: isset($result['localPart']) ? $entityManager->getReference(Part::class, $result['localPart']) : null,
+                    priority: $result['priority'] ?? null
+                ), $partData['search_results'] ?? []),
+                errors: $partData['errors'] ?? []
+            );
+        }
+
+        return new BulkSearchResponseDTO($partResults);
+    }
+
+    public function offsetExists(mixed $offset): bool
+    {
+        if (!is_int($offset)) {
+            throw new \InvalidArgumentException("Offset must be an integer.");
+        }
+        return isset($this->partResults[$offset]);
+    }
+
+    public function offsetGet(mixed $offset): ?BulkSearchPartResultsDTO
+    {
+        if (!is_int($offset)) {
+            throw new \InvalidArgumentException("Offset must be an integer.");
+        }
+        return $this->partResults[$offset] ?? null;
+    }
+
+    public function offsetSet(mixed $offset, mixed $value): void
+    {
+        throw new \LogicException("BulkSearchResponseDTO is immutable.");
+    }
+
+    public function offsetUnset(mixed $offset): void
+    {
+        throw new \LogicException('BulkSearchResponseDTO is immutable.');
+    }
+
+    public function getIterator(): Traversable
+    {
+        return new \ArrayIterator($this->partResults);
+    }
+}

src/Services/InfoProviderSystem/DTOs/FileDTO.php

@@ -28,12 +28,12 @@ namespace App\Services\InfoProviderSystem\DTOs;
  * This could be a datasheet, a 3D model, a picture or similar.
  * @see \App\Tests\Services\InfoProviderSystem\DTOs\FileDTOTest
  */
-class FileDTO
+readonly class FileDTO
 {
     /**
      * @var string The URL where to get this file
      */
-    public readonly string $url;
+    public string $url;
 
     /**
      * @param  string  $url The URL where to get this file
@@ -41,7 +41,7 @@ class FileDTO
      */
     public function __construct(
         string $url,
-        public readonly ?string $name = null,
+        public ?string $name = null,
     ) {
         //Find all occurrences of non URL safe characters and replace them with their URL encoded version.
         //We only want to replace characters which can not have a valid meaning in a URL (what would break the URL).

src/Services/InfoProviderSystem/DTOs/ParameterDTO.php

@@ -28,17 +28,17 @@ namespace App\Services\InfoProviderSystem\DTOs;
  * This could be a voltage, a current, a temperature or similar.
  * @see \App\Tests\Services\InfoProviderSystem\DTOs\ParameterDTOTest
  */
-class ParameterDTO
+readonly class ParameterDTO
 {
     public function __construct(
-        public readonly string $name,
+        public string $name,
-        public readonly ?string $value_text = null,
+        public ?string $value_text = null,
-        public readonly ?float $value_typ = null,
+        public ?float $value_typ = null,
-        public readonly ?float $value_min = null,
+        public ?float $value_min = null,
-        public readonly ?float $value_max = null,
+        public ?float $value_max = null,
-        public readonly ?string $unit = null,
+        public ?string $unit = null,
-        public readonly ?string $symbol = null,
+        public ?string $symbol = null,
-        public readonly ?string $group = null,
+        public ?string $group = null,
     ) {
 
     }

src/Services/InfoProviderSystem/DTOs/PriceDTO.php

@@ -28,21 +28,21 @@ use Brick\Math\BigDecimal;
 /**
  * This DTO represents a price for a single unit in a certain discount range
  */
-class PriceDTO
+readonly class PriceDTO
 {
-    private readonly BigDecimal $price_as_big_decimal;
+    private BigDecimal $price_as_big_decimal;
 
     public function __construct(
         /** @var float The minimum amount that needs to get ordered for this price to be valid */
-        public readonly float $minimum_discount_amount,
+        public float $minimum_discount_amount,
         /** @var string The price as string (with .) */
-        public readonly string $price,
+        public string $price,
         /** @var string The currency of the used ISO code of this price detail */
-        public readonly ?string $currency_iso_code,
+        public ?string $currency_iso_code,
         /** @var bool If the price includes tax */
-        public readonly ?bool $includes_tax = true,
+        public ?bool $includes_tax = true,
         /** @var float the price related quantity */
-        public readonly ?float $price_related_quantity = 1.0,
+        public ?float $price_related_quantity = 1.0,
     )
     {
         $this->price_as_big_decimal = BigDecimal::of($this->price);

src/Services/InfoProviderSystem/DTOs/PurchaseInfoDTO.php

@@ -27,15 +27,15 @@ namespace App\Services\InfoProviderSystem\DTOs;
  * This DTO represents a purchase information for a part (supplier name, order number and prices).
  * @see \App\Tests\Services\InfoProviderSystem\DTOs\PurchaseInfoDTOTest
  */
-class PurchaseInfoDTO
+readonly class PurchaseInfoDTO
 {
     public function __construct(
-        public readonly string $distributor_name,
+        public string $distributor_name,
-        public readonly string $order_number,
+        public string $order_number,
         /** @var PriceDTO[] */
-        public readonly array $prices,
+        public array $prices,
         /** @var string|null An url to the product page of the vendor */
-        public readonly ?string $product_url = null,
+        public ?string $product_url = null,
     )
     {
         //Ensure that the prices are PriceDTO instances

src/Services/InfoProviderSystem/DTOs/SearchResultDTO.php

@@ -59,8 +59,8 @@ class SearchResultDTO
         public readonly ?string $provider_url = null,
         /** @var string|null A footprint representation of the providers page */
         public readonly ?string $footprint = null,
-    ) {
+    )
-
+    {
         if ($preview_image_url !== null) {
             //Utilize the escaping mechanism of FileDTO to ensure that the preview image URL is correctly encoded
             //See issue #521: https://github.com/Part-DB/Part-DB-server/issues/521
@@ -71,4 +71,47 @@ class SearchResultDTO
             $this->preview_image_url = null;
         }
     }
+
+    /**
+     * This method creates a normalized array representation of the DTO.
+     * @return array
+     */
+    public function toNormalizedSearchResultArray(): array
+    {
+        return [
+            'provider_key' => $this->provider_key,
+            'provider_id' => $this->provider_id,
+            'name' => $this->name,
+            'description' => $this->description,
+            'category' => $this->category,
+            'manufacturer' => $this->manufacturer,
+            'mpn' => $this->mpn,
+            'preview_image_url' => $this->preview_image_url,
+            'manufacturing_status' => $this->manufacturing_status?->value,
+            'provider_url' => $this->provider_url,
+            'footprint' => $this->footprint,
+        ];
+    }
+
+    /**
+     * Creates a SearchResultDTO from a normalized array representation.
+     * @param  array  $data
+     * @return self
+     */
+    public static function fromNormalizedSearchResultArray(array $data): self
+    {
+        return new self(
+            provider_key: $data['provider_key'],
+            provider_id: $data['provider_id'],
+            name: $data['name'],
+            description: $data['description'],
+            category: $data['category'] ?? null,
+            manufacturer: $data['manufacturer'] ?? null,
+            mpn: $data['mpn'] ?? null,
+            preview_image_url: $data['preview_image_url'] ?? null,
+            manufacturing_status: isset($data['manufacturing_status']) ? ManufacturingStatus::tryFrom($data['manufacturing_status']) : null,
+            provider_url: $data['provider_url'] ?? null,
+            footprint: $data['footprint'] ?? null,
+        );
+    }
 }

src/Services/InfoProviderSystem/Providers/BatchInfoProviderInterface.php

@@ -0,0 +1,40 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+
+namespace App\Services\InfoProviderSystem\Providers;
+
+use App\Services\InfoProviderSystem\DTOs\SearchResultDTO;
+
+/**
+ * This interface marks a provider as a info provider which can provide information directly in batch operations
+ */
+interface BatchInfoProviderInterface extends InfoProviderInterface
+{
+    /**
+     * Search for multiple keywords in a single batch operation and return the results, ordered by the keywords.
+     * This allows for a more efficient search compared to running multiple single searches.
+     * @param  string[]  $keywords
+     * @return array<string, SearchResultDTO[]> An associative array where the key is the keyword and the value is the search results for that keyword
+     */
+    public function searchByKeywordsBatch(array $keywords): array;
+}

src/Services/InfoProviderSystem/Providers/LCSCProvider.php

@@ -33,7 +33,7 @@ use App\Settings\InfoProviderSystem\LCSCSettings;
 use Symfony\Component\HttpFoundation\Cookie;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 
-class LCSCProvider implements InfoProviderInterface
+class LCSCProvider implements BatchInfoProviderInterface
 {
 
     private const ENDPOINT_URL = 'https://wmsc.lcsc.com/ftps/wm';
@@ -69,9 +69,10 @@ class LCSCProvider implements InfoProviderInterface
 
     /**
      * @param  string  $id
+     * @param  bool  $lightweight If true, skip expensive operations like datasheet resolution
      * @return PartDetailDTO
      */
-    private function queryDetail(string $id): PartDetailDTO
+    private function queryDetail(string $id, bool $lightweight = false): PartDetailDTO
     {
         $response = $this->lcscClient->request('GET', self::ENDPOINT_URL . "/product/detail", [
             'headers' => [
@@ -89,7 +90,7 @@ class LCSCProvider implements InfoProviderInterface
             throw new \RuntimeException('Could not find product code: ' . $id);
         }
 
-        return $this->getPartDetail($product);
+        return $this->getPartDetail($product, $lightweight);
     }
 
     /**
@@ -119,10 +120,22 @@ class LCSCProvider implements InfoProviderInterface
 
     /**
      * @param  string  $term
+     * @param  bool  $lightweight If true, skip expensive operations like datasheet resolution
      * @return PartDetailDTO[]
      */
-    private function queryByTerm(string $term): array
+    private function queryByTerm(string $term, bool $lightweight = false): array
     {
+        // Optimize: If term looks like an LCSC part number (starts with C followed by digits),
+        // use direct detail query instead of slower search
+        if (preg_match('/^C\d+$/i', trim($term))) {
+            try {
+                return [$this->queryDetail(trim($term), $lightweight)];
+            } catch (\Exception $e) {
+                // If direct lookup fails, fall back to search
+                // This handles cases where the C-code might not exist
+            }
+        }
+
         $response = $this->lcscClient->request('POST', self::ENDPOINT_URL . "/search/v2/global", [
             'headers' => [
                 'Cookie' => new Cookie('currencyCode', $this->settings->currency)
@@ -145,11 +158,11 @@ class LCSCProvider implements InfoProviderInterface
         // detailed product listing. It does so utilizing a product tip field.
         // If product tip exists and there are no products in the product list try a detail query
         if (count($products) === 0 && $tipProductCode !== null) {
-            $result[] = $this->queryDetail($tipProductCode);
+            $result[] = $this->queryDetail($tipProductCode, $lightweight);
         }
 
         foreach ($products as $product) {
-            $result[] = $this->getPartDetail($product);
+            $result[] = $this->getPartDetail($product, $lightweight);
         }
 
         return $result;
@@ -178,7 +191,7 @@ class LCSCProvider implements InfoProviderInterface
      * @param  array  $product
      * @return PartDetailDTO
      */
-    private function getPartDetail(array $product): PartDetailDTO
+    private function getPartDetail(array $product, bool $lightweight = false): PartDetailDTO
     {
         // Get product images in advance
         $product_images = $this->getProductImages($product['productImages'] ?? null);
@@ -214,10 +227,10 @@ class LCSCProvider implements InfoProviderInterface
             manufacturing_status: null,
             provider_url: $this->getProductShortURL($product['productCode']),
             footprint: $this->sanitizeField($footprint),
-            datasheets: $this->getProductDatasheets($product['pdfUrl'] ?? null),
+            datasheets: $lightweight ? [] : $this->getProductDatasheets($product['pdfUrl'] ?? null),
-            images: $product_images,
+            images: $product_images, // Always include images - users need to see them
-            parameters: $this->attributesToParameters($product['paramVOList'] ?? []),
+            parameters: $lightweight ? [] : $this->attributesToParameters($product['paramVOList'] ?? []),
-            vendor_infos: $this->pricesToVendorInfo($product['productCode'], $this->getProductShortURL($product['productCode']), $product['productPriceList'] ?? []),
+            vendor_infos: $lightweight ? [] : $this->pricesToVendorInfo($product['productCode'], $this->getProductShortURL($product['productCode']), $product['productPriceList'] ?? []),
             mass: $product['weight'] ?? null,
         );
     }
@@ -286,7 +299,7 @@ class LCSCProvider implements InfoProviderInterface
      */
     private function getProductShortURL(string $product_code): string
     {
-        return 'https://www.lcsc.com/product-detail/' . $product_code .'.html';
+        return 'https://www.lcsc.com/product-detail/' . $product_code . '.html';
     }
 
     /**
@@ -338,12 +351,86 @@ class LCSCProvider implements InfoProviderInterface
 
     public function searchByKeyword(string $keyword): array
     {
-        return $this->queryByTerm($keyword);
+        return $this->queryByTerm($keyword, true); // Use lightweight mode for search
+    }
+
+    /**
+     * Batch search multiple keywords asynchronously (like JavaScript Promise.all)
+     * @param array $keywords Array of keywords to search
+     * @return array Results indexed by keyword
+     */
+    public function searchByKeywordsBatch(array $keywords): array
+    {
+        if (empty($keywords)) {
+            return [];
+        }
+
+        $responses = [];
+        $results = [];
+
+        // Start all requests immediately (like JavaScript promises without await)
+        foreach ($keywords as $keyword) {
+            if (preg_match('/^C\d+$/i', trim($keyword))) {
+                // Direct detail API call for C-codes
+                $responses[$keyword] = $this->lcscClient->request('GET', self::ENDPOINT_URL . "/product/detail", [
+                    'headers' => [
+                        'Cookie' => new Cookie('currencyCode', $this->settings->currency)
+                    ],
+                    'query' => [
+                        'productCode' => trim($keyword),
+                    ],
+                ]);
+            } else {
+                // Search API call for other terms
+                $responses[$keyword] = $this->lcscClient->request('GET', self::ENDPOINT_URL . "/search/global", [
+                    'headers' => [
+                        'Cookie' => new Cookie('currencyCode', $this->settings->currency)
+                    ],
+                    'query' => [
+                        'keyword' => $keyword,
+                    ],
+                ]);
+            }
+        }
+
+        // Now collect all results (like .then() in JavaScript)
+        foreach ($responses as $keyword => $response) {
+            try {
+                $arr = $response->toArray(); // This waits for the response
+                $results[$keyword] = $this->processSearchResponse($arr, $keyword);
+            } catch (\Exception $e) {
+                $results[$keyword] = []; // Empty results on error
+            }
+        }
+
+        return $results;
+    }
+
+    private function processSearchResponse(array $arr, string $keyword): array
+    {
+        $result = [];
+
+        // Check if this looks like a detail response (direct C-code lookup)
+        if (isset($arr['result']['productCode'])) {
+            $product = $arr['result'];
+            $result[] = $this->getPartDetail($product, true); // lightweight mode
+        } else {
+            // This is a search response
+            $products = $arr['result']['productSearchResultVO']['productList'] ?? [];
+            $tipProductCode = $arr['result']['tipProductDetailUrlVO']['productCode'] ?? null;
+
+            // If no products but has tip, we'd need another API call - skip for batch mode
+            foreach ($products as $product) {
+                $result[] = $this->getPartDetail($product, true); // lightweight mode
+            }
+        }
+
+        return $result;
     }
 
     public function getDetails(string $id): PartDetailDTO
     {
-        $tmp = $this->queryByTerm($id);
+        $tmp = $this->queryByTerm($id, false);
         if (count($tmp) === 0) {
             throw new \RuntimeException('No part found with ID ' . $id);
         }

src/Services/InfoProviderSystem/Providers/MouserProvider.php

@@ -132,6 +132,15 @@ class MouserProvider implements InfoProviderInterface
             ],
         ]);
 
+        // Check for API errors before processing response
+        if ($response->getStatusCode() !== 200) {
+            throw new \RuntimeException(sprintf(
+                'Mouser API returned HTTP %d: %s',
+                $response->getStatusCode(),
+                $response->getContent(false)
+            ));
+        }
+
         return $this->responseToDTOArray($response);
     }
 
@@ -169,6 +178,16 @@ class MouserProvider implements InfoProviderInterface
                 ]
             ],
         ]);
+
+        // Check for API errors before processing response
+        if ($response->getStatusCode() !== 200) {
+            throw new \RuntimeException(sprintf(
+                'Mouser API returned HTTP %d: %s',
+                $response->getStatusCode(),
+                $response->getContent(false)
+            ));
+        }
+
         $tmp = $this->responseToDTOArray($response);
 
         //Ensure that we have exactly one result

src/Services/Parts/PartsTableActionHandler.php

@@ -30,13 +30,11 @@ use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
 use App\Entity\Parts\PartLot;
-use App\Repository\PartRepository;
 use Doctrine\ORM\EntityManagerInterface;
 use InvalidArgumentException;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
-use Symfony\Contracts\Translation\TranslatableInterface;
 
 use function Symfony\Component\Translation\t;
 
@@ -100,7 +98,7 @@ implode(',', array_map(static fn (PartLot $lot) => $lot->getID(), $part->getPart
 
         //When action starts with "export_" we have to redirect to the export controller
         $matches = [];
-        if (preg_match('/^export_(json|yaml|xml|csv)$/', $action, $matches)) {
+        if (preg_match('/^export_(json|yaml|xml|csv|xlsx)$/', $action, $matches)) {
             $ids = implode(',', array_map(static fn (Part $part) => $part->getID(), $selected_parts));
             $level = match ($target_id) {
                 2 => 'extended',
@@ -119,6 +117,16 @@ implode(',', array_map(static fn (PartLot $lot) => $lot->getID(), $part->getPart
             );
         }
 
+        if ($action === 'bulk_info_provider_import') {
+            $ids = implode(',', array_map(static fn (Part $part) => $part->getID(), $selected_parts));
+            return new RedirectResponse(
+                $this->urlGenerator->generate('bulk_info_provider_step1', [
+                    'ids' => $ids,
+                    '_redirect' => $redirect_url
+                ])
+            );
+        }
+
 
         //Iterate over the parts and apply the action to it:
         foreach ($selected_parts as $part) {

src/Services/Trees/ToolsTreeBuilder.php

@@ -138,6 +138,11 @@ class ToolsTreeBuilder
                 $this->translator->trans('info_providers.search.title'),
                 $this->urlGenerator->generate('info_providers_search')
             ))->setIcon('fa-treeview fa-fw fa-solid fa-cloud-arrow-down');
+            
+            $nodes[] = (new TreeViewNode(
+                $this->translator->trans('info_providers.bulk_import.manage_jobs'),
+                $this->urlGenerator->generate('bulk_info_provider_manage')
+            ))->setIcon('fa-treeview fa-fw fa-solid fa-tasks');
         }
 
         return $nodes;

templates/components/datatables.macro.html.twig

@@ -30,7 +30,7 @@
         <input type="hidden" name="ids" {{ stimulus_target('elements/datatables/parts', 'selectIDs') }} value="">
 
         <div class="d-none mb-2 bg-body-tertiary shadow-sm border border-secondary rounded mx-2 p-2" {{ stimulus_target('elements/datatables/parts', 'selectPanel') }}>
-            {# <span id="select_count"></span> #}
+            <small class="text-muted">{% trans %}part_list.action.scrollable_hint{% endtrans %}</small>
 
             <div class="input-group">
                 <button class="btn btn-outline-secondary" type="button" {{ stimulus_action('elements/datatables/parts', 'invertSelection')}}
@@ -72,6 +72,10 @@
                         <option {% if not is_granted('@parts.read') %}disabled{% endif %} value="export_csv" data-url="{{  path('select_export_level')}}" data-turbo="false">{% trans %}part_list.action.export_csv{% endtrans %}</option>
                         <option {% if not is_granted('@parts.read') %}disabled{% endif %} value="export_yaml" data-url="{{  path('select_export_level')}}" data-turbo="false">{% trans %}part_list.action.export_yaml{% endtrans %}</option>
                         <option {% if not is_granted('@parts.read') %}disabled{% endif %} value="export_xml" data-url="{{  path('select_export_level')}}" data-turbo="false">{% trans %}part_list.action.export_xml{% endtrans %}</option>
+                        <option {% if not is_granted('@parts.read') %}disabled{% endif %} value="export_xlsx" data-url="{{  path('select_export_level')}}" data-turbo="false">{% trans %}part_list.action.export_xlsx{% endtrans %}</option>
+                    </optgroup>
+                    <optgroup label="{% trans %}part_list.action.action.info_provider{% endtrans %}">
+                        <option {% if not is_granted('@info_providers.create_parts') %}disabled{% endif %} value="bulk_info_provider_import" data-url="{{  path('bulk_info_provider_step1')}}" data-turbo="false">{% trans %}part_list.action.bulk_info_provider_import{% endtrans %}</option>
                     </optgroup>
                 </select>
 

templates/info_providers/bulk_import/manage.html.twig

@@ -0,0 +1,124 @@
+{% extends "main_card.html.twig" %}
+
+{% block title %}
+    {% trans %}info_providers.bulk_import.manage_jobs{% endtrans %}
+{% endblock %}
+
+{% block card_title %}
+    <i class="fas fa-tasks"></i> {% trans %}info_providers.bulk_import.manage_jobs{% endtrans %}
+{% endblock %}
+
+{% block card_content %}
+
+    <div data-controller="bulk-job-manage"
+         data-bulk-job-manage-delete-url-value="{{ path('bulk_info_provider_delete', {'jobId': '__JOB_ID__'}) }}"
+         data-bulk-job-manage-stop-url-value="{{ path('bulk_info_provider_stop', {'jobId': '__JOB_ID__'}) }}"
+         data-bulk-job-manage-delete-confirm-message-value="{% trans %}info_providers.bulk_import.confirm_delete_job{% endtrans %}"
+         data-bulk-job-manage-stop-confirm-message-value="{% trans %}info_providers.bulk_import.confirm_stop_job{% endtrans %}">
+
+        <div class="d-flex justify-content-between align-items-center mb-3">
+            <p class="text-muted mb-0">
+                {% trans %}info_providers.bulk_import.manage_jobs_description{% endtrans %}
+            </p>
+        </div>
+
+        {% if jobs is not empty %}
+            <div class="table-responsive">
+                <table class="table table-striped">
+                    <thead>
+                    <tr>
+                        <th>{% trans %}info_providers.bulk_import.job_name{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.parts_count{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.results_count{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.progress{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.status{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.created_by{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.created_at{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.completed_at{% endtrans %}</th>
+                        <th>{% trans %}info_providers.bulk_import.action.label{% endtrans %}</th>
+                    </tr>
+                    </thead>
+                    <tbody>
+                    {% for job in jobs %}
+                        <tr>
+                            <td>
+                                <strong>{{ job.displayNameKey|trans(job.displayNameParams) }} - {{ job.formattedTimestamp }}</strong>
+                                {% if job.isInProgress %}
+                                    <span class="badge bg-info ms-2">Active</span>
+                                {% endif %}
+                            </td>
+                            <td>{{ job.partCount }}</td>
+                            <td>{{ job.resultCount }}</td>
+                            <td>
+                                <div class="d-flex align-items-center">
+                                    <div class="progress me-2" style="width: 80px; height: 12px;">
+                                        <div class="progress-bar {% if job.isCompleted %}bg-success{% elseif job.isFailed %}bg-danger{% else %}bg-info{% endif %}"
+                                             role="progressbar"
+                                             style="width: {{ job.progressPercentage }}%"
+                                             aria-valuenow="{{ job.progressPercentage }}"
+                                             aria-valuemin="0" aria-valuemax="100">
+                                        </div>
+                                    </div>
+                                    <small class="text-muted">{{ job.progressPercentage }}%</small>
+                                </div>
+                                <small class="text-muted">
+                                    {% trans with {'%current%': job.completedPartsCount + job.skippedPartsCount, '%total%': job.partCount} %}info_providers.bulk_import.progress_label{% endtrans %}
+                                </small>
+                            </td>
+                            <td>
+                                {% if job.isPending %}
+                                    <span class="badge bg-warning">{% trans %}info_providers.bulk_import.status.pending{% endtrans %}</span>
+                                {% elseif job.isInProgress %}
+                                    <span class="badge bg-info">{% trans %}info_providers.bulk_import.status.in_progress{% endtrans %}</span>
+                                {% elseif job.isCompleted %}
+                                    <span class="badge bg-success">{% trans %}info_providers.bulk_import.status.completed{% endtrans %}</span>
+                                {% elseif job.isStopped %}
+                                    <span class="badge bg-secondary">{% trans %}info_providers.bulk_import.status.stopped{% endtrans %}</span>
+                                {% elseif job.isFailed %}
+                                    <span class="badge bg-danger">{% trans %}info_providers.bulk_import.status.failed{% endtrans %}</span>
+                                {% endif %}
+                            </td>
+                            <td>{{ job.createdBy.fullName(true) }}</td>
+                            <td>{{ job.createdAt|format_datetime('short') }}</td>
+                            <td>
+                                {% if job.completedAt %}
+                                    {{ job.completedAt|format_datetime('short') }}
+                                {% else %}
+                                    <span class="text-muted">-</span>
+                                {% endif %}
+                            </td>
+                            <td>
+                                <div class="btn-group btn-group-sm" role="group">
+                                    {% if job.isInProgress or job.isCompleted or job.isStopped %}
+                                        <a href="{{ path('bulk_info_provider_step2', {'jobId': job.id}) }}" class="btn btn-primary">
+                                            <i class="fas fa-eye"></i> {% trans %}info_providers.bulk_import.view_results{% endtrans %}
+                                        </a>
+                                    {% endif %}
+                                    {% if job.canBeStopped %}
+                                        <button type="button" class="btn btn-warning" data-action="click->bulk-job-manage#stopJob" data-job-id="{{ job.id }}">
+                                            <i class="fas fa-stop"></i> {% trans %}info_providers.bulk_import.action.stop{% endtrans %}
+                                        </button>
+                                    {% endif %}
+                                    {% if job.isCompleted or job.isFailed or job.isStopped %}
+                                        <button type="button" class="btn btn-danger" data-action="click->bulk-job-manage#deleteJob" data-job-id="{{ job.id }}">
+                                            <i class="fas fa-trash"></i> {% trans %}info_providers.bulk_import.action.delete{% endtrans %}
+                                        </button>
+                                    {% endif %}
+                                </div>
+                            </td>
+                        </tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        {% else %}
+            <div class="alert alert-info" role="alert">
+                <i class="fas fa-info-circle"></i>
+                {% trans %}info_providers.bulk_import.no_jobs_found{% endtrans %}<br>
+                {% trans %}info_providers.bulk_import.create_first_job{% endtrans %}
+            </div>
+        {% endif %}
+
+    </div>
+
+{% endblock %}

templates/info_providers/bulk_import/step1.html.twig

@@ -0,0 +1,304 @@
+{% extends "main_card.html.twig" %}
+
+{% import "info_providers/providers.macro.html.twig" as providers_macro %}
+{% import "helper.twig" as helper %}
+
+{% block title %}
+    {% trans %}info_providers.bulk_import.step1.title{% endtrans %}
+{% endblock %}
+
+{% block card_title %}
+    <i class="fas fa-cloud-arrow-down"></i> {% trans %}info_providers.bulk_import.step1.title{% endtrans %}
+    <span class="badge bg-secondary">{{ parts|length }} {% trans %}info_providers.bulk_import.parts_selected{% endtrans %}</span>
+{% endblock %}
+
+{% block card_content %}
+
+<div>
+
+    <!-- Show existing jobs -->
+    {% if existing_jobs is not empty %}
+        <div class="card mb-3">
+            <div class="card-header">
+                <h5 class="mb-0">{% trans %}info_providers.bulk_import.existing_jobs{% endtrans %}</h5>
+            </div>
+            <div class="card-body">
+                <div class="table-responsive">
+                    <table class="table table-sm">
+                        <thead>
+                            <tr>
+                                <th>{% trans %}info_providers.bulk_import.job_name{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.parts_count{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.results_count{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.progress{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.status{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.created_at{% endtrans %}</th>
+                                <th>{% trans %}info_providers.bulk_import.action.label{% endtrans %}</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for job in existing_jobs %}
+                                <tr>
+                                    <td>{{ job.displayNameKey|trans(job.displayNameParams) }} - {{ job.formattedTimestamp }}</td>
+                                    <td>{{ job.partCount }}</td>
+                                    <td>{{ job.resultCount }}</td>
+                                    <td>
+                                        <div class="d-flex align-items-center">
+                                            <div class="progress me-2" style="width: 60px; height: 8px;">
+                                                <div class="progress-bar {% if job.isCompleted %}bg-success{% else %}bg-info{% endif %}" 
+                                                     role="progressbar" 
+                                                     style="width: {{ job.progressPercentage }}%" 
+                                                     aria-valuenow="{{ job.progressPercentage }}" 
+                                                     aria-valuemin="0" aria-valuemax="100">
+                                                </div>
+                                            </div>
+                                            <small class="text-muted">{{ job.progressPercentage }}%</small>
+                                        </div>
+                                        <small class="text-muted">{{ job.completedPartsCount }}/{{ job.partCount }}</small>
+                                    </td>
+                                    <td>
+                                        {% if job.isPending %}
+                                            <span class="badge bg-warning">{% trans %}info_providers.bulk_import.status.pending{% endtrans %}</span>
+                                        {% elseif job.isInProgress %}
+                                            <span class="badge bg-info">{% trans %}info_providers.bulk_import.status.in_progress{% endtrans %}</span>
+                                        {% elseif job.isCompleted %}
+                                            <span class="badge bg-success">{% trans %}info_providers.bulk_import.status.completed{% endtrans %}</span>
+                                        {% elseif job.isFailed %}
+                                            <span class="badge bg-danger">{% trans %}info_providers.bulk_import.status.failed{% endtrans %}</span>
+                                        {% endif %}
+                                    </td>
+                                    <td>{{ job.createdAt|date('Y-m-d H:i') }}</td>
+                                    <td>
+                                        {% if job.isInProgress or job.isCompleted %}
+                                            <a href="{{ path('bulk_info_provider_step2', {'jobId': job.id}) }}" class="btn btn-primary btn-sm">
+                                                <i class="fas fa-eye"></i> {% trans %}info_providers.bulk_import.view_results{% endtrans %}
+                                            </a>
+                                        {% endif %}
+                                    </td>
+                                </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+    {% endif %}
+
+    <div class="alert alert-info" role="alert">
+        <i class="fas fa-info-circle"></i>
+        {% trans %}info_providers.bulk_import.step1.global_mapping_description{% endtrans %}
+    </div>
+    
+    <div class="alert alert-success" role="alert">
+        <i class="fas fa-lightbulb"></i>
+        <strong>{% trans %}info_providers.bulk_import.priority_system.title{% endtrans %}:</strong> {% trans %}info_providers.bulk_import.priority_system.description{% endtrans %}
+        <br><small class="text-muted">
+            {% trans %}info_providers.bulk_import.priority_system.example{% endtrans %}
+        </small>
+    </div>
+    
+    <div class="alert alert-warning" role="alert">
+        <i class="fas fa-exclamation-triangle"></i>
+        {% trans %}info_providers.bulk_import.step1.spn_recommendation{% endtrans %}
+    </div>
+
+    <!-- Show selected parts -->
+    <div class="card mb-3">
+        <div class="card-header">
+            <h5 class="mb-0">{% trans %}info_providers.bulk_import.selected_parts{% endtrans %}</h5>
+        </div>
+        <div class="card-body">
+            <div class="row">
+                {% for part in parts %}
+                    {% set hasNoIdentifiers = part.manufacturerProductNumber is empty and part.orderdetails is empty %}
+                    <div class="col-md-6 col-lg-4 mb-2">
+                        <div class="d-flex align-items-center {% if hasNoIdentifiers %}text-danger{% endif %}">
+                            <i class="fas fa-microchip {% if hasNoIdentifiers %}text-danger{% else %}text-primary{% endif %} me-2"></i>
+                            <div>
+                                <a href="{{ path('app_part_show', {'id': part.id}) }}" class="text-decoration-none {% if hasNoIdentifiers %}text-danger{% endif %}">
+                                    <strong>{{ part.name }}</strong>
+                                    {% if part.manufacturerProductNumber %}
+                                        <br><small class="{% if hasNoIdentifiers %}text-danger{% else %}text-muted{% endif %}">MPN: {{ part.manufacturerProductNumber }}</small>
+                                    {% endif %}
+                                    {% if part.orderdetails is not empty %}
+                                        <br><small class="{% if hasNoIdentifiers %}text-danger{% else %}text-muted{% endif %}">
+                                            SPNs: {{ part.orderdetails|map(od => od.supplierPartNr)|join(', ') }}
+                                        </small>
+                                    {% endif %}
+                                </a>
+                            </div>
+                        </div>
+                    </div>
+                {% endfor %}
+            </div>
+        </div>
+    </div>
+
+    {{ form_start(form) }}
+
+    <div class="card" 
+         data-controller="field-mapping"
+         data-field-mapping-mapping-index-value="{{ form.field_mappings|length }}"
+         data-field-mapping-max-mappings-value="{{ fieldChoices|length }}"
+         data-field-mapping-prototype-value="{{ form_widget(form.field_mappings.vars.prototype)|e('html_attr') }}"
+         data-field-mapping-max-mappings-reached-message-value="{{ 'info_providers.bulk_import.max_mappings_reached'|trans|e('js') }}">
+        <div class="card-header">
+            <h5 class="mb-0">{% trans %}info_providers.bulk_import.field_mappings{% endtrans %}</h5>
+            <small class="text-muted">{% trans %}info_providers.bulk_import.field_mappings_help{% endtrans %}</small>
+        </div>
+        <div class="card-body">
+            <table class="table table-striped">
+                    <thead>
+                        <tr>
+                            <th>{% trans %}info_providers.bulk_search.search_field{% endtrans %}</th>
+                            <th>{% trans %}info_providers.bulk_search.providers{% endtrans %}</th>
+                            <th width="80">{% trans %}info_providers.bulk_search.priority{% endtrans %}</th>
+                            <th width="100">{% trans %}info_providers.bulk_import.actions.label{% endtrans %}</th>
+                        </tr>
+                    </thead>
+                    <tbody id="field-mappings-tbody" data-field-mapping-target="tbody">
+                        {% for mapping in form.field_mappings %}
+                            <tr class="mapping-row">
+                                <td>{{ form_widget(mapping.field) }}{{ form_errors(mapping.field) }}</td>
+                                <td>{{ form_widget(mapping.providers) }}{{ form_errors(mapping.providers) }}</td>
+                                <td>{{ form_widget(mapping.priority) }}{{ form_errors(mapping.priority) }}</td>
+                                <td>
+                                    <button type="button" class="btn btn-danger btn-sm" data-action="click->field-mapping#removeMapping">
+                                        <i class="fas fa-trash"></i>
+                                    </button>
+                                </td>
+                            </tr>
+                        {% endfor %}
+                    </tbody>
+            </table>
+            <button type="button" class="btn btn-success btn-sm" id="addMappingBtn"
+                    data-field-mapping-target="addButton"
+                    data-action="click->field-mapping#addMapping">
+                <i class="fas fa-plus"></i> {% trans %}info_providers.bulk_import.add_mapping{% endtrans %}
+            </button>
+        </div>
+    </div>
+
+    <div class="mb-2 d-flex flex-column align-items-start gap-2">
+        <div class="mb-2">
+            <a href="{{ path('info_providers_list') }}">{% trans %}info_providers.search.info_providers_list{% endtrans %}</a>
+            |
+            <a href="{{ path('bulk_info_provider_manage') }}">{% trans %}info_providers.bulk_import.manage_jobs{% endtrans %}</a>
+        </div>
+        
+        <div class="form-check mb-2">
+            {{ form_widget(form.prefetch_details, {'attr': {'class': 'form-check-input'}}) }}
+            {{ form_label(form.prefetch_details, null, {'label_attr': {'class': 'form-check-label'}}) }}
+            {{ form_help(form.prefetch_details) }}
+        </div>
+        
+        {{ form_widget(form.submit, {'attr': {'class': 'btn btn-primary', 'data-field-mapping-target': 'submitButton'}}) }}
+    </div>
+
+    {{ form_end(form) }}
+
+    {% if search_results is not null %}
+        <hr>
+        <h4>{% trans %}info_providers.bulk_import.search_results.title{% endtrans %}</h4>
+
+        {% for part_result in search_results %}
+            {% set part = part_result.part %}
+            <div class="card mb-3">
+                <div class="card-header">
+                    <h5 class="card-title mb-0">
+                        {{ part.name }}
+                        {% if part_result.errors is not empty %}
+                            <span class="badge bg-warning">{{ part_result.errors|length }} {% trans %}info_providers.bulk_import.errors{% endtrans %}</span>
+                        {% endif %}
+                        <span class="badge bg-success">{{ part_result.search_results|length }} {% trans %}info_providers.bulk_import.results_found{% endtrans %}</span>
+                    </h5>
+                </div>
+                <div class="card-body">
+                    {% if part_result.errors is not empty %}
+                        {% for error in part_result.errors %}
+                            <div class="alert alert-warning" role="alert">
+                                <i class="fas fa-exclamation-triangle"></i>
+                                {{ error }}
+                            </div>
+                        {% endfor %}
+                    {% endif %}
+                    
+                    {% if part_result.search_results|length > 0 %}
+                        <div class="table-responsive">
+                            <table class="table table-sm">
+                                <thead>
+                                    <tr>
+                                        <th></th>
+                                        <th>{% trans %}name.label{% endtrans %}</th>
+                                        <th>{% trans %}description.label{% endtrans %}</th>
+                                        <th>{% trans %}manufacturer.label{% endtrans %}</th>
+                                        <th>{% trans %}info_providers.table.provider.label{% endtrans %}</th>
+                                        <th>{% trans %}info_providers.bulk_import.source_field{% endtrans %}</th>
+                                        <th>{% trans %}info_providers.bulk_import.action.label{% endtrans %}</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    {% for result in part_result.search_results %}
+                                        {% set dto = result.dto %}
+                                        {% set localPart = result.localPart %}
+                                        <tr {% if localPart is not null %}class="table-warning"{% endif %}>
+                                            <td>
+                                                <img src="{{ dto.preview_image_url }}" data-thumbnail="{{ dto.preview_image_url }}"
+                                                     class="hoverpic" style="max-width: 30px;" {{ stimulus_controller('elements/hoverpic') }}>
+                                            </td>
+                                            <td>
+                                                {% if dto.provider_url is not null %}
+                                                    <a href="{{ dto.provider_url }}" target="_blank" rel="noopener">{{ dto.name }}</a>
+                                                {% else %}
+                                                    {{ dto.name }}
+                                                {% endif %}
+                                                {% if dto.mpn is not null %}
+                                                    <br><small class="text-muted">{{ dto.mpn }}</small>
+                                                {% endif %}
+                                            </td>
+                                            <td>{{ dto.description }}</td>
+                                            <td>{{ dto.manufacturer ?? '' }}</td>
+                                            <td>
+                                                {{ info_provider_label(dto.provider_key)|default(dto.provider_key) }}
+                                                <br><small class="text-muted">{{ dto.provider_id }}</small>
+                                            </td>
+                                            <td>
+                                                <span class="badge bg-info">{{ result.source_field ?? 'unknown' }}</span>
+                                                {% if result.source_keyword %}
+                                                    <br><small class="text-muted">{{ result.source_keyword }}</small>
+                                                {% endif %}
+                                            </td>
+                                            <td>
+                                                <div class="btn-group-vertical btn-group-sm" role="group">
+                                                    {% set updateHref = path('info_providers_update_part',
+                                                        {'id': part.id, 'providerKey': dto.provider_key, 'providerId': dto.provider_id}) %}
+                                                    <a class="btn btn-primary" href="{{ updateHref }}" target="_blank">
+                                                        <i class="fas fa-edit"></i> {% trans %}info_providers.bulk_import.update_part{% endtrans %}
+                                                    </a>
+                                                    
+                                                    {% if localPart is not null %}
+                                                        <a class="btn btn-info btn-sm" href="{{ path('app_part_show', {'id': localPart.id}) }}" target="_blank">
+                                                            <i class="fas fa-eye"></i> {% trans %}info_providers.bulk_import.view_existing{% endtrans %}
+                                                        </a>
+                                                    {% endif %}
+                                                </div>
+                                            </td>
+                                        </tr>
+                                    {% endfor %}
+                                </tbody>
+                            </table>
+                        </div>
+                    {% else %}
+                        <div class="alert alert-info" role="alert">
+                            {% trans %}info_providers.search.no_results{% endtrans %}
+                        </div>
+                    {% endif %}
+                </div>
+            </div>
+        {% endfor %}
+    {% endif %}
+
+</div>
+
+{% endblock %}
+

templates/info_providers/bulk_import/step2.html.twig

@@ -0,0 +1,240 @@
+{% extends "main_card.html.twig" %}
+
+{% import "info_providers/providers.macro.html.twig" as providers_macro %}
+{% import "helper.twig" as helper %}
+
+{% block title %}
+    {% trans %}info_providers.bulk_import.step2.title{% endtrans %}
+{% endblock %}
+
+{% block card_title %}
+    <i class="fas fa-search"></i> {% trans %}info_providers.bulk_import.step2.title{% endtrans %}
+    <span class="badge bg-secondary">{{ job.displayNameKey|trans(job.displayNameParams) }} - {{ job.formattedTimestamp }}</span>
+{% endblock %}
+
+{% block card_content %}
+
+<div {{ stimulus_controller('bulk-import', {
+    'jobId': job.id,
+    'researchUrl': path('bulk_info_provider_research_part', {'jobId': job.id, 'partId': '__PART_ID__'}),
+    'researchAllUrl': path('bulk_info_provider_research_all', {'jobId': job.id}),
+    'markCompletedUrl': path('bulk_info_provider_mark_completed', {'jobId': job.id, 'partId': '__PART_ID__'}),
+    'markSkippedUrl': path('bulk_info_provider_mark_skipped', {'jobId': job.id, 'partId': '__PART_ID__'}),
+    'markPendingUrl': path('bulk_info_provider_mark_pending', {'jobId': job.id, 'partId': '__PART_ID__'})
+}) }}>
+    <div class="d-flex justify-content-between align-items-center mb-3">
+        <div>
+            <h5 class="mb-1">{{ job.displayNameKey|trans(job.displayNameParams) }} - {{ job.formattedTimestamp }}</h5>
+            <small class="text-muted">
+                {{ job.partCount }} {% trans %}info_providers.bulk_import.parts{% endtrans %} •
+                {{ job.resultCount }} {% trans %}info_providers.bulk_import.results{% endtrans %} •
+                {% trans %}info_providers.bulk_import.created_at{% endtrans %}: {{ job.createdAt|date('Y-m-d H:i') }}
+            </small>
+        </div>
+        <div>
+            {% if job.isPending %}
+                <span class="badge bg-warning">{% trans %}info_providers.bulk_import.status.pending{% endtrans %}</span>
+            {% elseif job.isInProgress %}
+                <span class="badge bg-info">{% trans %}info_providers.bulk_import.status.in_progress{% endtrans %}</span>
+            {% elseif job.isCompleted %}
+                <span class="badge bg-success">{% trans %}info_providers.bulk_import.status.completed{% endtrans %}</span>
+            {% elseif job.isFailed %}
+                <span class="badge bg-danger">{% trans %}info_providers.bulk_import.status.failed{% endtrans %}</span>
+            {% endif %}
+        </div>
+    </div>
+
+    <!-- Progress Bar -->
+    <div class="card mb-3">
+        <div class="card-body">
+            <div class="d-flex justify-content-between align-items-center mb-2">
+                <h6 class="mb-0">Progress</h6>
+                <span data-bulk-import-target="progressText">{{ job.completedPartsCount }} / {{ job.partCount }} completed</span>
+            </div>
+            <div class="progress" style="height: 8px;">
+                <div data-bulk-import-target="progressBar" class="progress-bar" role="progressbar"
+                     style="width: {{ job.progressPercentage }}%"
+                     aria-valuenow="{{ job.progressPercentage }}" aria-valuemin="0" aria-valuemax="100">
+                </div>
+            </div>
+            <div class="d-flex justify-content-between mt-2">
+                <small class="text-muted">
+                    <span id="completed-count">{{ job.completedPartsCount }}</span> {% trans %}info_providers.bulk_import.completed{% endtrans %} •
+                    <span id="skipped-count">{{ job.skippedPartsCount }}</span> {% trans %}info_providers.bulk_import.skipped{% endtrans %}
+                </small>
+                <small class="text-muted"><span id="progress-percentage">{{ job.progressPercentage }}%</span></small>
+            </div>
+        </div>
+    </div>
+
+    <!-- Tutorial/Instructions -->
+    <div class="alert alert-info mb-4" role="alert">
+        <h6 class="alert-heading">
+            <i class="fas fa-info-circle"></i> {% trans %}info_providers.bulk_import.step2.instructions.title{% endtrans %}
+        </h6>
+        <p class="mb-2">{% trans %}info_providers.bulk_import.step2.instructions.description{% endtrans %}</p>
+        <ul class="mb-0 ps-3">
+            <li>{% trans %}info_providers.bulk_import.step2.instructions.step1{% endtrans %}</li>
+            <li>{% trans %}info_providers.bulk_import.step2.instructions.step2{% endtrans %}</li>
+            <li>{% trans %}info_providers.bulk_import.step2.instructions.step3{% endtrans %}</li>
+        </ul>
+    </div>
+
+    <!-- Research Controls -->
+    <div class="card mb-3">
+        <div class="card-body">
+            <div class="d-flex justify-content-between align-items-center">
+                <div>
+                    <h6 class="mb-1">{% trans %}info_providers.bulk_import.research.title{% endtrans %}</h6>
+                    <small class="text-muted">{% trans %}info_providers.bulk_import.research.description{% endtrans %}</small>
+                </div>
+                <div>
+                    <button type="button" class="btn btn-outline-primary btn-sm me-2"
+                            data-action="click->bulk-import#researchAllParts"
+                            id="research-all-btn">
+                        <span class="spinner-border spinner-border-sm me-1" style="display: none;" id="research-all-spinner"></span>
+                        <i class="fas fa-search"></i> {% trans %}info_providers.bulk_import.research.all_pending{% endtrans %}
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    {% for part_result in search_results %}
+        {# @var part_result \App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO  #}
+
+        {% set part = part_result.part %}
+        {% set isCompleted = job.isPartCompleted(part.id) %}
+        {% set isSkipped = job.isPartSkipped(part.id) %}
+        <div class="card mb-3 {% if isCompleted %}border-success{% elseif isSkipped %}border-warning{% endif %}"
+             data-part-id="{{ part.id }}"
+             {% if isCompleted %}style="background-color: rgba(25, 135, 84, 0.1);"{% endif %}>
+            <div class="card-header d-flex justify-content-between align-items-center">
+                <div>
+                    <h5 class="card-title mb-0">
+                        <a href="{{ path('app_part_show', {'id': part.id}) }}" class="text-decoration-none">
+                            {{ part.name }}
+                        </a>
+                        {% if isCompleted %}
+                            <span class="badge bg-success">
+                                <i class="fas fa-check"></i> {% trans %}info_providers.bulk_import.completed{% endtrans %}
+                            </span>
+                        {% elseif isSkipped %}
+                            <span class="badge bg-warning">
+                                <i class="fas fa-forward"></i> {% trans %}info_providers.bulk_import.skipped{% endtrans %}
+                            </span>
+                        {% endif %}
+                        {% if part_result.errors is not empty %}
+                            <span class="badge bg-danger">{% trans with {'%count%': part_result.errors|length} %}info_providers.bulk_import.errors{% endtrans %}</span>
+                        {% endif %}
+                        <span class="badge bg-info">{% trans with {'%count%': part_result.searchResults|length} %}info_providers.bulk_import.results_found{% endtrans %}</span>
+                    </h5>
+                </div>
+                <div class="btn-group" role="group">
+                    <button type="button" class="btn btn-outline-info btn-sm"
+                            data-action="click->bulk-import#researchPart"
+                            data-part-id="{{ part.id }}"
+                            title="{% trans %}info_providers.bulk_import.research.part_tooltip{% endtrans %}">
+                        <span class="spinner-border spinner-border-sm me-1" style="display: none;" data-research-spinner="{{ part.id }}"></span>
+                        <i class="fas fa-search"></i> {% trans %}info_providers.bulk_import.research.part{% endtrans %}
+                    </button>
+                    {% if not isCompleted and not isSkipped %}
+                        <button type="button" class="btn btn-success btn-sm" data-action="click->bulk-import#markCompleted" data-part-id="{{ part.id }}">
+                            <i class="fas fa-check"></i> {% trans %}info_providers.bulk_import.mark_completed{% endtrans %}
+                        </button>
+                        <button type="button" class="btn btn-warning btn-sm" data-action="click->bulk-import#markSkipped" data-part-id="{{ part.id }}">
+                            <i class="fas fa-forward"></i> {% trans %}info_providers.bulk_import.mark_skipped{% endtrans %}
+                        </button>
+                    {% elseif isCompleted %}
+                        <button type="button" class="btn btn-outline-secondary btn-sm" data-action="click->bulk-import#markPending" data-part-id="{{ part.id }}">
+                            <i class="fas fa-undo"></i> {% trans %}info_providers.bulk_import.mark_pending{% endtrans %}
+                        </button>
+                    {% elseif isSkipped %}
+                        <button type="button" class="btn btn-outline-secondary btn-sm" data-action="click->bulk-import#markPending" data-part-id="{{ part.id }}">
+                            <i class="fas fa-undo"></i> {% trans %}info_providers.bulk_import.mark_pending{% endtrans %}
+                        </button>
+                    {% endif %}
+                </div>
+            </div>
+            <div class="card-body">
+                {% if part_result.errors is not empty %}
+                    {% for error in part_result.errors %}
+                        <div class="alert alert-warning" role="alert">
+                            <i class="fas fa-exclamation-triangle"></i>
+                            {{ error }}
+                        </div>
+                    {% endfor %}
+                {% endif %}
+
+                {% if part_result.searchResults|length > 0 %}
+                    <div class="table-responsive">
+                        <table class="table table-sm">
+                            <thead>
+                                <tr>
+                                    <th></th>
+                                    <th>{% trans %}name.label{% endtrans %}</th>
+                                    <th>{% trans %}description.label{% endtrans %}</th>
+                                    <th>{% trans %}manufacturer.label{% endtrans %}</th>
+                                    <th>{% trans %}info_providers.table.provider.label{% endtrans %}</th>
+                                    <th>{% trans %}info_providers.bulk_import.source_field{% endtrans %}</th>
+                                    <th>{% trans %}info_providers.bulk_import.action.label{% endtrans %}</th>
+                                </tr>
+                            </thead>
+                            <tbody>
+                                {% for result in part_result.searchResults %}
+                                    {# @var result \App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO #}
+                                    {% set dto = result.searchResult %}
+                                    {% set localPart = result.localPart %}
+                                    <tr>
+                                        <td>
+                                            <img src="{{ dto.preview_image_url }}" data-thumbnail="{{ dto.preview_image_url }}"
+                                                 class="hoverpic" style="max-width: 35px;" {{ stimulus_controller('elements/hoverpic') }}>
+                                        </td>
+                                        <td>
+                                            {% if dto.provider_url is not null %}
+                                                <a href="{{ dto.provider_url }}" target="_blank" rel="noopener">{{ dto.name }}</a>
+                                            {% else %}
+                                                {{ dto.name }}
+                                            {% endif %}
+                                            {% if dto.mpn is not null %}
+                                                <br><small class="text-muted">{{ dto.mpn }}</small>
+                                            {% endif %}
+                                        </td>
+                                        <td>{{ dto.description }}</td>
+                                        <td>{{ dto.manufacturer ?? '' }}</td>
+                                        <td>
+                                            {{ info_provider_label(dto.provider_key)|default(dto.provider_key) }}
+                                            <br><small class="text-muted">{{ dto.provider_id }}</small>
+                                        </td>
+                                        <td>
+                                            <span class="badge bg-info">{{ result.sourceField ?? 'unknown' }}</span>
+                                            {% if result.sourceKeyword %}
+                                                <br><small class="text-muted">{{ result.sourceKeyword }}</small>
+                            {% endif %}
+                                        </td>
+                                        <td>
+                                            <div class="btn-group-vertical btn-group-sm" role="group">
+                                                {% set updateHref = path('info_providers_update_part',
+                                                    {'id': part.id, 'providerKey': dto.provider_key, 'providerId': dto.provider_id}) ~ '?jobId=' ~ job.id %}
+                                                <a class="btn btn-primary{% if isCompleted %} disabled{% endif %}" href="{% if not isCompleted %}{{ updateHref }}{% else %}#{% endif %}"{% if isCompleted %} aria-disabled="true"{% endif %}>
+                                                    <i class="fas fa-edit"></i> {% trans %}info_providers.bulk_import.update_part{% endtrans %}
+                                                </a>
+                                            </div>
+                                        </td>
+                                    </tr>
+                                {% endfor %}
+                            </tbody>
+                        </table>
+                    </div>
+                {% else %}
+                    <div class="alert alert-info" role="alert">
+                        {% trans %}info_providers.search.no_results{% endtrans %}
+                    </div>
+                {% endif %}
+            </div>
+        </div>
+    {% endfor %}
+
+</div>
+{% endblock %}
+

templates/parts/edit/edit_part_info.html.twig

@@ -4,6 +4,32 @@
     {% trans with {'%name%': part.name|escape } %}part.edit.title{% endtrans %}
 {% endblock %}
 
+{% block before_card %}
+    {% if bulk_job and jobId %}
+        <div class="alert alert-info mb-3">
+            <div class="d-flex justify-content-between align-items-center">
+                <div class="d-flex align-items-center">
+                    <a href="{{ path('bulk_info_provider_step2', {jobId: bulk_job.id}) }}" class="btn btn-outline-primary btn-sm me-2">
+                        <i class="fas fa-arrow-left fa-fw" aria-hidden="true"></i>
+                        {% trans %}info_providers.bulk_import.back{% endtrans %}
+                    </a>
+                    <form method="post" action="{{ path('part_bulk_import_complete', {id: part.id, jobId: bulk_job.id}) }}" style="display: inline;">
+                        <input type="hidden" name="_token" value="{{ csrf_token('bulk_complete_' ~ part.id) }}">
+                        <button type="submit" class="btn btn-primary btn-sm me-3">
+                            <i class="fas fa-check fa-fw" aria-hidden="true"></i>
+                            {% trans %}info_providers.bulk_import.complete{% endtrans %}
+                        </button>
+                    </form>
+                    <div>
+                        <i class="fas fa-cloud-download fa-fw" aria-hidden="true"></i>
+                        {% trans %}info_providers.bulk_import.editing_part{% endtrans %}
+                    </div>
+                </div>
+            </div>
+        </div>
+    {% endif %}
+{% endblock %}
+
 {% block card_title %}
     <i class="fas fa-edit fa-fw" aria-hidden="true"></i>
     {% trans with {'%name%': part.name|escape } %}part.edit.card_title{% endtrans %}

templates/parts/edit/update_from_ip.html.twig

@@ -5,6 +5,19 @@
 {% block card_border %}border-info{% endblock %}
 {% block card_type %}bg-info text-bg-info{% endblock %}
 
+{% block before_card %}
+    {% if bulk_job and jobId %}
+        <div class="alert alert-info mb-3">
+            <div class="d-flex justify-content-between align-items-center">
+                <div>
+                    <i class="fas fa-cloud-download fa-fw" aria-hidden="true"></i>
+                    {% trans %}info_providers.bulk_import.editing_part{% endtrans %}
+                </div>
+            </div>
+        </div>
+    {% endif %}
+{% endblock %}
+
 {% block title %}
     {% trans %}info_providers.update_part.title{% endtrans %}: {{ merge_old_name }}
 {% endblock %}

templates/parts/lists/_filter.html.twig

@@ -31,6 +31,11 @@
                         <button class="nav-link" id="filter-projects-tab" data-bs-toggle="tab" data-bs-target="#filter-projects"><i class="fas fa-archive fa-fw"></i> {% trans %}project.labelp{% endtrans %}</button>
                     </li>
                 {% endif %}
+                {% if filterForm.inBulkImportJob is defined %}
+                    <li class="nav-item" role="presentation">
+                        <button class="nav-link" id="filter-bulk-import-tab" data-bs-toggle="tab" data-bs-target="#filter-bulk-import"><i class="fas fa-download fa-fw"></i> {% trans %}part.edit.tab.bulk_import{% endtrans %}</button>
+                    </li>
+                {% endif %}
             </ul>
 
             {{ form_start(filterForm, {"attr": {"data-controller": "helpers--form-cleanup", "data-action": "helpers--form-cleanup#submit"}}) }}
@@ -126,6 +131,13 @@
                         {{ form_row(filterForm.bomComment) }}
                     </div>
                 {% endif %}
+                {% if filterForm.inBulkImportJob is defined %}
+                    <div class="tab-pane pt-3" id="filter-bulk-import" role="tabpanel" aria-labelledby="filter-bulk-import-tab" tabindex="0">
+                        {{ form_row(filterForm.inBulkImportJob) }}
+                        {{ form_row(filterForm.bulkImportJobStatus) }}
+                        {{ form_row(filterForm.bulkImportPartStatus) }}
+                    </div>
+                {% endif %}
 
             </div>
 

tests/Controller/BulkInfoProviderImportControllerTest.php

@@ -0,0 +1,889 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller;
+
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\Parts\Part;
+use App\Entity\UserSystem\User;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use App\Services\InfoProviderSystem\DTOs\SearchResultDTO;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * @group slow
+ * @group DB
+ */
+class BulkInfoProviderImportControllerTest extends WebTestCase
+{
+    public function testStep1WithoutIds(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1');
+
+        self::assertResponseRedirects();
+    }
+
+    public function testStep1WithInvalidIds(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=999999,888888');
+
+        self::assertResponseRedirects();
+    }
+
+    public function testManagePage(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('GET', '/tools/bulk_info_provider_import/manage');
+
+        // Follow any redirects (like locale redirects)
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        self::assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testAccessControlForStep1(): void
+    {
+        $client = static::createClient();
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=1');
+        self::assertResponseRedirects();
+
+        $this->loginAsUser($client, 'noread');
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=1');
+
+        // Follow redirects if any, then check for 403 or final response
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        // The user might get redirected to an error page instead of direct 403
+        $this->assertTrue(
+            $client->getResponse()->getStatusCode() === Response::HTTP_FORBIDDEN ||
+            $client->getResponse()->getStatusCode() === Response::HTTP_OK
+        );
+    }
+
+    public function testAccessControlForManage(): void
+    {
+        $client = static::createClient();
+
+        $client->request('GET', '/tools/bulk_info_provider_import/manage');
+        self::assertResponseRedirects();
+
+        $this->loginAsUser($client, 'noread');
+        $client->request('GET', '/tools/bulk_info_provider_import/manage');
+
+        // Follow redirects if any, then check for 403 or final response
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        // The user might get redirected to an error page instead of direct 403
+        $this->assertTrue(
+            $client->getResponse()->getStatusCode() === Response::HTTP_FORBIDDEN ||
+            $client->getResponse()->getStatusCode() === Response::HTTP_OK
+        );
+    }
+
+    public function testStep2TemplateRendering(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = static::getContainer()->get('doctrine')->getManager();
+
+        // Use an existing part from test fixtures (ID 1 should exist)
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Get the admin user for the createdBy field
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Create a test job with search results that include source_field and source_keyword
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        $job->addPart($part);
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+
+        $searchResults = new BulkSearchResponseDTO(partResults: [
+            new BulkSearchPartResultsDTO(part: $part,
+                searchResults: [new BulkSearchPartResultDTO(
+                    searchResult: new SearchResultDTO(provider_key: 'test_provider', provider_id: 'TEST123', name: 'Test Component', description: 'Test component description', manufacturer: 'Test Manufacturer', mpn: 'TEST-MPN-123', provider_url: 'https://example.com/test', preview_image_url: null,),
+                    sourceField: 'test_field',
+                    sourceKeyword: 'test_keyword',
+                    localPart: null,
+                )]
+            )
+        ]);
+
+        $job->setSearchResults($searchResults);
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        // Test that step2 renders correctly with the search results
+        $client->request('GET', '/tools/bulk_info_provider_import/step2/' . $job->getId());
+
+        // Follow any redirects (like locale redirects)
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        self::assertResponseStatusCodeSame(Response::HTTP_OK);
+
+        // Verify the template rendered the source_field and source_keyword correctly
+        $content = $client->getResponse()->getContent();
+        $this->assertStringContainsString('test_field', $content);
+        $this->assertStringContainsString('test_keyword', $content);
+
+        // Clean up - find by ID to avoid detached entity issues
+        $jobId = $job->getId();
+        $entityManager->clear(); // Clear all entities
+        $jobToRemove = $entityManager->find(BulkInfoProviderImportJob::class, $jobId);
+        if ($jobToRemove) {
+            $entityManager->remove($jobToRemove);
+            $entityManager->flush();
+        }
+    }
+
+    public function testStep1WithValidIds(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=' . $part->getId());
+
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+
+    public function testDeleteJobWithValidJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = self::getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get a test part
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Create a completed job
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        $job->addPart($part);
+        $job->setStatus(BulkImportJobStatus::COMPLETED);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('DELETE', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/delete');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertTrue($response['success']);
+    }
+
+    public function testDeleteJobWithNonExistentJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('DELETE', '/en/tools/bulk_info_provider_import/job/999999/delete');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertArrayHasKey('error', $response);
+    }
+
+    public function testDeleteJobWithActiveJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = self::getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        // Create an active job
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('DELETE', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/delete');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_BAD_REQUEST);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertArrayHasKey('error', $response);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testStopJobWithValidJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = self::getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        // Create an active job
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/stop');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertTrue($response['success']);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testStopJobWithNonExistentJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/999999/stop');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertArrayHasKey('error', $response);
+    }
+
+    public function testMarkPartCompleted(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1, 2]);
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-completed');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertTrue($response['success']);
+        $this->assertArrayHasKey('progress', $response);
+        $this->assertArrayHasKey('completed_count', $response);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testMarkPartSkipped(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1, 2]);
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-skipped', [
+            'reason' => 'Test skip reason'
+        ]);
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertTrue($response['success']);
+        $this->assertArrayHasKey('skipped_count', $response);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testMarkPartPending(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-pending');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertTrue($response['success']);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testStep2WithNonExistentJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step2/999999');
+
+        $this->assertResponseRedirects();
+    }
+
+    public function testStep2WithUnauthorizedAccess(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $admin = $userRepository->findOneBy(['name' => 'admin']);
+        $readonly = $userRepository->findOneBy(['name' => 'noread']);
+
+        if (!$admin || !$readonly) {
+            $this->markTestSkipped('Required test users not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        // Create job as admin
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($admin);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        // Try to access as readonly user
+        $this->loginAsUser($client, 'noread');
+        $client->request('GET', '/tools/bulk_info_provider_import/step2/' . $job->getId());
+
+        $this->assertResponseRedirects();
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    public function testJobAccessControlForDelete(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $admin = $userRepository->findOneBy(['name' => 'admin']);
+        $readonly = $userRepository->findOneBy(['name' => 'noread']);
+
+        if (!$admin || !$readonly) {
+            $this->markTestSkipped('Required test users not found in fixtures');
+        }
+
+        // Get test parts
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        // Create job as readonly user
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($readonly);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::COMPLETED);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        // Try to delete as admin (should fail due to ownership)
+        $client->request('DELETE', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/delete');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+    private function loginAsUser($client, string $username): void
+    {
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => $username]);
+
+        if (!$user) {
+            $this->markTestSkipped("User {$username} not found");
+        }
+
+        $client->loginUser($user);
+    }
+
+    private function getTestParts($entityManager, array $ids): array
+    {
+        $partRepository = $entityManager->getRepository(Part::class);
+        $parts = [];
+
+        foreach ($ids as $id) {
+            $part = $partRepository->find($id);
+            if (!$part) {
+                $this->markTestSkipped("Test part with ID {$id} not found in fixtures");
+            }
+            $parts[] = $part;
+        }
+
+        return $parts;
+    }
+
+    public function testStep1Form(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=' . $part->getId());
+
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertStringContainsString('Bulk Info Provider Import', $client->getResponse()->getContent());
+    }
+
+    public function testStep1FormSubmissionWithErrors(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/tools/bulk_info_provider_import/step1?ids=' . $part->getId());
+
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertStringContainsString('Bulk Info Provider Import', $client->getResponse()->getContent());
+    }
+
+    public function testBulkInfoProviderServiceKeywordExtraction(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Test that the service can extract keywords from parts
+        $bulkService = $client->getContainer()->get(\App\Services\InfoProviderSystem\BulkInfoProviderService::class);
+
+        // Create field mappings to verify the service works
+        $fieldMappings = [
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO('name', ['test'], 1),
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO('mpn', ['test'], 2)
+        ];
+
+        // The service may return an empty result or throw when no results are found
+        try {
+            $result = $bulkService->performBulkSearch([$part], $fieldMappings, false);
+            $this->assertInstanceOf(\App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO::class, $result);
+        } catch (\RuntimeException $e) {
+            $this->assertStringContainsString('No search results found', $e->getMessage());
+        }
+    }
+
+    public function testManagePageWithJobCleanup(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        $job->addPart($part);
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('GET', '/tools/bulk_info_provider_import/manage');
+
+        if ($client->getResponse()->isRedirect()) {
+            $client->followRedirect();
+        }
+
+        self::assertResponseStatusCodeSame(Response::HTTP_OK);
+
+        // Find job from database to avoid detached entity errors
+        $jobId = $job->getId();
+        $entityManager->clear();
+        $persistedJob = $entityManager->find(BulkInfoProviderImportJob::class, $jobId);
+        if ($persistedJob) {
+            $entityManager->remove($persistedJob);
+            $entityManager->flush();
+        }
+    }
+
+    public function testBulkInfoProviderServiceSupplierPartNumberExtraction(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Test that the service can handle supplier part number fields
+        $bulkService = $client->getContainer()->get(\App\Services\InfoProviderSystem\BulkInfoProviderService::class);
+
+        // Create field mappings with supplier SPN field mapping
+        $fieldMappings = [
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO('invalid_field', ['test'], 1),
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO('test_supplier_spn', ['test'], 2)
+        ];
+
+        // The service should be able to process the request and throw an exception when no results are found
+        try {
+            $bulkService->performBulkSearch([$part], $fieldMappings, false);
+            $this->fail('Expected RuntimeException to be thrown when no search results are found');
+        } catch (\RuntimeException $e) {
+            $this->assertStringContainsString('No search results found', $e->getMessage());
+        }
+    }
+
+    public function testBulkInfoProviderServiceBatchProcessing(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Test that the service can handle batch processing
+        $bulkService = $client->getContainer()->get(\App\Services\InfoProviderSystem\BulkInfoProviderService::class);
+
+        // Create field mappings with multiple keywords
+        $fieldMappings = [
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO('name', ['lcsc'], 1)
+        ];
+
+        // The service should be able to process the request and throw an exception when no results are found
+        try {
+            $bulkService->performBulkSearch([$part], $fieldMappings, false);
+            $this->fail('Expected RuntimeException to be thrown when no search results are found');
+        } catch (\RuntimeException $e) {
+            $this->assertStringContainsString('No search results found', $e->getMessage());
+        }
+    }
+
+    public function testBulkInfoProviderServicePrefetchDetails(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        // Test that the service can handle prefetch details
+        $bulkService = $client->getContainer()->get(\App\Services\InfoProviderSystem\BulkInfoProviderService::class);
+
+        // Create empty search results to test prefetch method
+        $searchResults = new BulkSearchResponseDTO([
+            new BulkSearchPartResultsDTO(part: $part, searchResults: [], errors: [])
+        ]);
+
+        // The prefetch method should not throw any errors
+        $bulkService->prefetchDetailsForResults($searchResults);
+
+        // If we get here, the method executed successfully
+        $this->assertTrue(true);
+    }
+
+    public function testJobAccessControlForStopAndMarkOperations(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $admin = $userRepository->findOneBy(['name' => 'admin']);
+        $readonly = $userRepository->findOneBy(['name' => 'noread']);
+
+        if (!$admin || !$readonly) {
+            $this->markTestSkipped('Required test users not found in fixtures');
+        }
+
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($readonly);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/stop');
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-completed');
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-skipped', [
+            'reason' => 'Test reason'
+        ]);
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/part/1/mark-pending');
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+
+        // Find job from database to avoid detached entity errors
+        $jobId = $job->getId();
+        $entityManager->clear();
+        $persistedJob = $entityManager->find(BulkInfoProviderImportJob::class, $jobId);
+        if ($persistedJob) {
+            $entityManager->remove($persistedJob);
+            $entityManager->flush();
+        }
+    }
+
+    public function testOperationsOnCompletedJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$user) {
+            $this->markTestSkipped('Admin user not found in fixtures');
+        }
+
+        $parts = $this->getTestParts($entityManager, [1]);
+
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        foreach ($parts as $part) {
+            $job->addPart($part);
+        }
+        $job->setStatus(BulkImportJobStatus::COMPLETED);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('POST', '/en/tools/bulk_info_provider_import/job/' . $job->getId() . '/stop');
+        $this->assertResponseStatusCodeSame(Response::HTTP_BAD_REQUEST);
+        $response = json_decode($client->getResponse()->getContent(), true);
+        $this->assertArrayHasKey('error', $response);
+
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+}

tests/Controller/PartControllerTest.php

@@ -0,0 +1,334 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller;
+
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\Parts\Category;
+use App\Entity\Parts\Footprint;
+use App\Entity\Parts\Manufacturer;
+use App\Entity\Parts\Part;
+use App\Entity\Parts\StorageLocation;
+use App\Entity\Parts\Supplier;
+use App\Entity\UserSystem\User;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * @group slow
+ * @group DB
+ */
+class PartControllerTest extends WebTestCase
+{
+    public function testShowPart(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/' . $part->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testShowPartWithTimestamp(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $timestamp = time();
+        $client->request('GET', "/en/part/{$part->getId()}/info/{$timestamp}");
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testEditPart(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/' . $part->getId() . '/edit');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertSelectorExists('form[name="part_base"]');
+    }
+
+    public function testEditPartWithBulkJob(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => 'admin']);
+
+        if (!$part || !$user) {
+            $this->markTestSkipped('Required test data not found in fixtures');
+        }
+
+        // Create a bulk job
+        $job = new BulkInfoProviderImportJob();
+        $job->setCreatedBy($user);
+        $job->setPartIds([$part->getId()]);
+        $job->setStatus(BulkImportJobStatus::IN_PROGRESS);
+        $job->setSearchResults(new BulkSearchResponseDTO([]));
+
+        $entityManager->persist($job);
+        $entityManager->flush();
+
+        $client->request('GET', '/en/part/' . $part->getId() . '/edit?jobId=' . $job->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+
+        // Clean up
+        $entityManager->remove($job);
+        $entityManager->flush();
+    }
+
+
+
+    public function testNewPart(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $client->request('GET', '/en/part/new');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertSelectorExists('form[name="part_base"]');
+    }
+
+    public function testNewPartWithCategory(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $categoryRepository = $entityManager->getRepository(Category::class);
+        $category = $categoryRepository->find(1);
+
+        if (!$category) {
+            $this->markTestSkipped('Test category with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/new?category=' . $category->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testNewPartWithFootprint(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $footprintRepository = $entityManager->getRepository(Footprint::class);
+        $footprint = $footprintRepository->find(1);
+
+        if (!$footprint) {
+            $this->markTestSkipped('Test footprint with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/new?footprint=' . $footprint->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testNewPartWithManufacturer(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $manufacturerRepository = $entityManager->getRepository(Manufacturer::class);
+        $manufacturer = $manufacturerRepository->find(1);
+
+        if (!$manufacturer) {
+            $this->markTestSkipped('Test manufacturer with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/new?manufacturer=' . $manufacturer->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testNewPartWithStorageLocation(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $storageLocationRepository = $entityManager->getRepository(StorageLocation::class);
+        $storageLocation = $storageLocationRepository->find(1);
+
+        if (!$storageLocation) {
+            $this->markTestSkipped('Test storage location with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/new?storelocation=' . $storageLocation->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testNewPartWithSupplier(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $supplierRepository = $entityManager->getRepository(Supplier::class);
+        $supplier = $supplierRepository->find(1);
+
+        if (!$supplier) {
+            $this->markTestSkipped('Test supplier with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/new?supplier=' . $supplier->getId());
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+    }
+
+    public function testClonePart(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/' . $part->getId() . '/clone');
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertSelectorExists('form[name="part_base"]');
+    }
+
+    public function testMergeParts(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'admin');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $categoryRepository = $entityManager->getRepository(Category::class);
+        $category = $categoryRepository->find(1);
+
+        if (!$category) {
+            $this->markTestSkipped('Test category with ID 1 not found in fixtures');
+        }
+
+        // Create two test parts
+        $targetPart = new Part();
+        $targetPart->setName('Target Part');
+        $targetPart->setCategory($category);
+
+        $otherPart = new Part();
+        $otherPart->setName('Other Part');
+        $otherPart->setCategory($category);
+
+        $entityManager->persist($targetPart);
+        $entityManager->persist($otherPart);
+        $entityManager->flush();
+
+        $client->request('GET', "/en/part/{$targetPart->getId()}/merge/{$otherPart->getId()}");
+
+        $this->assertResponseStatusCodeSame(Response::HTTP_OK);
+        $this->assertSelectorExists('form[name="part_base"]');
+
+        // Clean up
+        $entityManager->remove($targetPart);
+        $entityManager->remove($otherPart);
+        $entityManager->flush();
+    }
+
+
+
+
+
+    public function testAccessControlForUnauthorizedUser(): void
+    {
+        $client = static::createClient();
+        $this->loginAsUser($client, 'noread');
+
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $partRepository = $entityManager->getRepository(Part::class);
+        $part = $partRepository->find(1);
+
+        if (!$part) {
+            $this->markTestSkipped('Test part with ID 1 not found in fixtures');
+        }
+
+        $client->request('GET', '/en/part/' . $part->getId());
+
+        // Should either be forbidden or redirected to error page
+        $this->assertTrue(
+            $client->getResponse()->getStatusCode() === Response::HTTP_FORBIDDEN ||
+            $client->getResponse()->isRedirect()
+        );
+    }
+
+    private function loginAsUser($client, string $username): void
+    {
+        $entityManager = $client->getContainer()->get('doctrine')->getManager();
+        $userRepository = $entityManager->getRepository(User::class);
+        $user = $userRepository->findOneBy(['name' => $username]);
+
+        if (!$user) {
+            $this->markTestSkipped("User {$username} not found");
+        }
+
+        $client->loginUser($user);
+    }
+
+}

tests/DataTables/Filters/Constraints/Part/BulkImportJobStatusConstraintTest.php

@@ -0,0 +1,250 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\DataTables\Filters\Constraints\Part;
+
+use App\DataTables\Filters\Constraints\Part\BulkImportJobStatusConstraint;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\QueryBuilder;
+use PHPUnit\Framework\TestCase;
+
+class BulkImportJobStatusConstraintTest extends TestCase
+{
+    private BulkImportJobStatusConstraint $constraint;
+    private QueryBuilder $queryBuilder;
+    private EntityManagerInterface $entityManager;
+
+    protected function setUp(): void
+    {
+        $this->constraint = new BulkImportJobStatusConstraint();
+        $this->entityManager = $this->createMock(EntityManagerInterface::class);
+        $this->queryBuilder = $this->createMock(QueryBuilder::class);
+
+        $this->queryBuilder->method('getEntityManager')
+            ->willReturn($this->entityManager);
+    }
+
+    public function testConstructor(): void
+    {
+        $this->assertEquals([], $this->constraint->getValue());
+        $this->assertEmpty($this->constraint->getOperator());
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testGetAndSetValues(): void
+    {
+        $values = ['pending', 'in_progress'];
+        $this->constraint->setValue($values);
+
+        $this->assertEquals($values, $this->constraint->getValue());
+    }
+
+    public function testGetAndSetOperator(): void
+    {
+        $operator = 'ANY';
+        $this->constraint->setOperator($operator);
+
+        $this->assertEquals($operator, $this->constraint->getOperator());
+    }
+
+    public function testIsEnabledWithEmptyValues(): void
+    {
+        $this->constraint->setOperator('ANY');
+
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testIsEnabledWithNullOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testIsEnabledWithValuesAndOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+
+        $this->assertTrue($this->constraint->isEnabled());
+    }
+
+    public function testApplyWithEmptyValues(): void
+    {
+        $this->constraint->setOperator('ANY');
+
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithNullOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithAnyOperator(): void
+    {
+        $this->constraint->setValue(['pending', 'in_progress']);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('join')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('EXISTS (EXISTS_SUBQUERY_DQL)');
+
+        $this->queryBuilder->expects($this->once())
+            ->method('setParameter')
+            ->with('job_status_values', ['pending', 'in_progress']);
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithNoneOperator(): void
+    {
+        $this->constraint->setValue(['completed']);
+        $this->constraint->setOperator('NONE');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('join')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('NOT EXISTS (EXISTS_SUBQUERY_DQL)');
+
+        $this->queryBuilder->expects($this->once())
+            ->method('setParameter')
+            ->with('job_status_values', ['completed']);
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithUnsupportedOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('UNKNOWN');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('join')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        // Should not call andWhere for unsupported operator
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testSubqueryStructure(): void
+    {
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+
+        $subQueryBuilder->expects($this->once())
+            ->method('select')
+            ->with('1')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('from')
+            ->with(BulkInfoProviderImportJobPart::class, 'bip_status')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('join')
+            ->with('bip_status.job', 'job_status')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('where')
+            ->with('bip_status.part = part.id')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('job_status.status IN (:job_status_values)')
+            ->willReturnSelf();
+
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->method('andWhere');
+        $this->queryBuilder->method('setParameter');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testValuesAndOperatorMutation(): void
+    {
+        // Test that values and operator can be changed after creation
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+        $this->assertTrue($this->constraint->isEnabled());
+
+        $this->constraint->setValue([]);
+        $this->assertFalse($this->constraint->isEnabled());
+
+        $this->constraint->setValue(['completed']);
+        $this->assertTrue($this->constraint->isEnabled());
+
+        $this->constraint->setOperator('');
+        $this->assertFalse($this->constraint->isEnabled());
+
+        $this->constraint->setOperator('NONE');
+        $this->assertTrue($this->constraint->isEnabled());
+    }
+}

tests/DataTables/Filters/Constraints/Part/BulkImportPartStatusConstraintTest.php

@@ -0,0 +1,299 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\DataTables\Filters\Constraints\Part;
+
+use App\DataTables\Filters\Constraints\Part\BulkImportPartStatusConstraint;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\QueryBuilder;
+use PHPUnit\Framework\TestCase;
+
+class BulkImportPartStatusConstraintTest extends TestCase
+{
+    private BulkImportPartStatusConstraint $constraint;
+    private QueryBuilder $queryBuilder;
+    private EntityManagerInterface $entityManager;
+
+    protected function setUp(): void
+    {
+        $this->constraint = new BulkImportPartStatusConstraint();
+        $this->entityManager = $this->createMock(EntityManagerInterface::class);
+        $this->queryBuilder = $this->createMock(QueryBuilder::class);
+
+        $this->queryBuilder->method('getEntityManager')
+            ->willReturn($this->entityManager);
+    }
+
+    public function testConstructor(): void
+    {
+        $this->assertEquals([], $this->constraint->getValue());
+        $this->assertEmpty($this->constraint->getOperator());
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testGetAndSetValues(): void
+    {
+        $values = ['pending', 'completed', 'skipped'];
+        $this->constraint->setValue($values);
+
+        $this->assertEquals($values, $this->constraint->getValue());
+    }
+
+    public function testGetAndSetOperator(): void
+    {
+        $operator = 'ANY';
+        $this->constraint->setOperator($operator);
+
+        $this->assertEquals($operator, $this->constraint->getOperator());
+    }
+
+    public function testIsEnabledWithEmptyValues(): void
+    {
+        $this->constraint->setOperator('ANY');
+
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testIsEnabledWithNullOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+
+        $this->assertFalse($this->constraint->isEnabled());
+    }
+
+    public function testIsEnabledWithValuesAndOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+
+        $this->assertTrue($this->constraint->isEnabled());
+    }
+
+    public function testApplyWithEmptyValues(): void
+    {
+        $this->constraint->setOperator('ANY');
+
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithNullOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithAnyOperator(): void
+    {
+        $this->constraint->setValue(['pending', 'completed']);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('EXISTS (EXISTS_SUBQUERY_DQL)');
+
+        $this->queryBuilder->expects($this->once())
+            ->method('setParameter')
+            ->with('part_status_values', ['pending', 'completed']);
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithNoneOperator(): void
+    {
+        $this->constraint->setValue(['failed']);
+        $this->constraint->setOperator('NONE');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('NOT EXISTS (EXISTS_SUBQUERY_DQL)');
+
+        $this->queryBuilder->expects($this->once())
+            ->method('setParameter')
+            ->with('part_status_values', ['failed']);
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testApplyWithUnsupportedOperator(): void
+    {
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('UNKNOWN');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        // Should not call andWhere for unsupported operator
+        $this->queryBuilder->expects($this->never())
+            ->method('andWhere');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testSubqueryStructure(): void
+    {
+        $this->constraint->setValue(['completed', 'skipped']);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+
+        $subQueryBuilder->expects($this->once())
+            ->method('select')
+            ->with('1')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('from')
+            ->with(BulkInfoProviderImportJobPart::class, 'bip_part_status')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('where')
+            ->with('bip_part_status.part = part.id')
+            ->willReturnSelf();
+
+        $subQueryBuilder->expects($this->once())
+            ->method('andWhere')
+            ->with('bip_part_status.status IN (:part_status_values)')
+            ->willReturnSelf();
+
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->method('andWhere');
+        $this->queryBuilder->method('setParameter');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testValuesAndOperatorMutation(): void
+    {
+        // Test that values and operator can be changed after creation
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+        $this->assertTrue($this->constraint->isEnabled());
+
+        $this->constraint->setValue([]);
+        $this->assertFalse($this->constraint->isEnabled());
+
+        $this->constraint->setValue(['completed', 'skipped']);
+        $this->assertTrue($this->constraint->isEnabled());
+
+        $this->constraint->setOperator("");
+        $this->assertFalse($this->constraint->isEnabled());
+
+        $this->constraint->setOperator('NONE');
+        $this->assertTrue($this->constraint->isEnabled());
+    }
+
+    public function testDifferentFromJobStatusConstraint(): void
+    {
+        // This constraint should work differently from BulkImportJobStatusConstraint
+        // It queries the part status directly, not the job status
+        $this->constraint->setValue(['pending']);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        // Should use different alias than job status constraint
+        $subQueryBuilder->expects($this->once())
+            ->method('from')
+            ->with(BulkInfoProviderImportJobPart::class, 'bip_part_status');
+
+        // Should not join with job table like job status constraint does
+        $subQueryBuilder->expects($this->never())
+            ->method('join');
+
+        $this->queryBuilder->method('andWhere');
+        $this->queryBuilder->method('setParameter');
+
+        $this->constraint->apply($this->queryBuilder);
+    }
+
+    public function testMultipleStatusValues(): void
+    {
+        $statusValues = ['pending', 'completed', 'skipped', 'failed'];
+        $this->constraint->setValue($statusValues);
+        $this->constraint->setOperator('ANY');
+
+        $subQueryBuilder = $this->createMock(QueryBuilder::class);
+        $subQueryBuilder->method('select')->willReturnSelf();
+        $subQueryBuilder->method('from')->willReturnSelf();
+        $subQueryBuilder->method('where')->willReturnSelf();
+        $subQueryBuilder->method('andWhere')->willReturnSelf();
+        $subQueryBuilder->method('getDQL')->willReturn('EXISTS_SUBQUERY_DQL');
+
+        $this->entityManager->method('createQueryBuilder')
+            ->willReturn($subQueryBuilder);
+
+        $this->queryBuilder->expects($this->once())
+            ->method('setParameter')
+            ->with('part_status_values', $statusValues);
+
+        $this->constraint->apply($this->queryBuilder);
+
+        $this->assertEquals($statusValues, $this->constraint->getValue());
+    }
+}

tests/Entity/BulkImportJobStatusTest.php

@@ -0,0 +1,71 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use PHPUnit\Framework\TestCase;
+
+class BulkImportJobStatusTest extends TestCase
+{
+    public function testEnumValues(): void
+    {
+        $this->assertEquals('pending', BulkImportJobStatus::PENDING->value);
+        $this->assertEquals('in_progress', BulkImportJobStatus::IN_PROGRESS->value);
+        $this->assertEquals('completed', BulkImportJobStatus::COMPLETED->value);
+        $this->assertEquals('stopped', BulkImportJobStatus::STOPPED->value);
+        $this->assertEquals('failed', BulkImportJobStatus::FAILED->value);
+    }
+
+    public function testEnumCases(): void
+    {
+        $cases = BulkImportJobStatus::cases();
+
+        $this->assertCount(5, $cases);
+        $this->assertContains(BulkImportJobStatus::PENDING, $cases);
+        $this->assertContains(BulkImportJobStatus::IN_PROGRESS, $cases);
+        $this->assertContains(BulkImportJobStatus::COMPLETED, $cases);
+        $this->assertContains(BulkImportJobStatus::STOPPED, $cases);
+        $this->assertContains(BulkImportJobStatus::FAILED, $cases);
+    }
+
+    public function testFromString(): void
+    {
+        $this->assertEquals(BulkImportJobStatus::PENDING, BulkImportJobStatus::from('pending'));
+        $this->assertEquals(BulkImportJobStatus::IN_PROGRESS, BulkImportJobStatus::from('in_progress'));
+        $this->assertEquals(BulkImportJobStatus::COMPLETED, BulkImportJobStatus::from('completed'));
+        $this->assertEquals(BulkImportJobStatus::STOPPED, BulkImportJobStatus::from('stopped'));
+        $this->assertEquals(BulkImportJobStatus::FAILED, BulkImportJobStatus::from('failed'));
+    }
+
+    public function testTryFromInvalidValue(): void
+    {
+        $this->assertNull(BulkImportJobStatus::tryFrom('invalid'));
+        $this->assertNull(BulkImportJobStatus::tryFrom(''));
+    }
+
+    public function testFromInvalidValueThrowsException(): void
+    {
+        $this->expectException(\ValueError::class);
+        BulkImportJobStatus::from('invalid');
+    }
+}

tests/Entity/BulkInfoProviderImportJobPartTest.php

@@ -0,0 +1,301 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\InfoProviderSystem\BulkImportPartStatus;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJobPart;
+use App\Entity\Parts\Part;
+use PHPUnit\Framework\TestCase;
+
+class BulkInfoProviderImportJobPartTest extends TestCase
+{
+    private BulkInfoProviderImportJob $job;
+    private Part $part;
+    private BulkInfoProviderImportJobPart $jobPart;
+
+    protected function setUp(): void
+    {
+        $this->job = $this->createMock(BulkInfoProviderImportJob::class);
+        $this->part = $this->createMock(Part::class);
+
+        $this->jobPart = new BulkInfoProviderImportJobPart($this->job, $this->part);
+    }
+
+    public function testConstructor(): void
+    {
+        $this->assertSame($this->job, $this->jobPart->getJob());
+        $this->assertSame($this->part, $this->jobPart->getPart());
+        $this->assertEquals(BulkImportPartStatus::PENDING, $this->jobPart->getStatus());
+        $this->assertNull($this->jobPart->getReason());
+        $this->assertNull($this->jobPart->getCompletedAt());
+    }
+
+    public function testGetAndSetJob(): void
+    {
+        $newJob = $this->createMock(BulkInfoProviderImportJob::class);
+
+        $result = $this->jobPart->setJob($newJob);
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertSame($newJob, $this->jobPart->getJob());
+    }
+
+    public function testGetAndSetPart(): void
+    {
+        $newPart = $this->createMock(Part::class);
+
+        $result = $this->jobPart->setPart($newPart);
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertSame($newPart, $this->jobPart->getPart());
+    }
+
+    public function testGetAndSetStatus(): void
+    {
+        $result = $this->jobPart->setStatus(BulkImportPartStatus::COMPLETED);
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::COMPLETED, $this->jobPart->getStatus());
+    }
+
+    public function testGetAndSetReason(): void
+    {
+        $reason = 'Test reason';
+
+        $result = $this->jobPart->setReason($reason);
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals($reason, $this->jobPart->getReason());
+    }
+
+    public function testGetAndSetCompletedAt(): void
+    {
+        $completedAt = new \DateTimeImmutable();
+
+        $result = $this->jobPart->setCompletedAt($completedAt);
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertSame($completedAt, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsCompleted(): void
+    {
+        $beforeTime = new \DateTimeImmutable();
+
+        $result = $this->jobPart->markAsCompleted();
+
+        $afterTime = new \DateTimeImmutable();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::COMPLETED, $this->jobPart->getStatus());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+        $this->assertGreaterThanOrEqual($beforeTime, $this->jobPart->getCompletedAt());
+        $this->assertLessThanOrEqual($afterTime, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsSkipped(): void
+    {
+        $reason = 'Skipped for testing';
+        $beforeTime = new \DateTimeImmutable();
+
+        $result = $this->jobPart->markAsSkipped($reason);
+
+        $afterTime = new \DateTimeImmutable();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::SKIPPED, $this->jobPart->getStatus());
+        $this->assertEquals($reason, $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+        $this->assertGreaterThanOrEqual($beforeTime, $this->jobPart->getCompletedAt());
+        $this->assertLessThanOrEqual($afterTime, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsSkippedWithoutReason(): void
+    {
+        $result = $this->jobPart->markAsSkipped();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::SKIPPED, $this->jobPart->getStatus());
+        $this->assertEquals('', $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsFailed(): void
+    {
+        $reason = 'Failed for testing';
+        $beforeTime = new \DateTimeImmutable();
+
+        $result = $this->jobPart->markAsFailed($reason);
+
+        $afterTime = new \DateTimeImmutable();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::FAILED, $this->jobPart->getStatus());
+        $this->assertEquals($reason, $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+        $this->assertGreaterThanOrEqual($beforeTime, $this->jobPart->getCompletedAt());
+        $this->assertLessThanOrEqual($afterTime, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsFailedWithoutReason(): void
+    {
+        $result = $this->jobPart->markAsFailed();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::FAILED, $this->jobPart->getStatus());
+        $this->assertEquals('', $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+    }
+
+    public function testMarkAsPending(): void
+    {
+        // First mark as completed to have something to reset
+        $this->jobPart->markAsCompleted();
+
+        $result = $this->jobPart->markAsPending();
+
+        $this->assertSame($this->jobPart, $result);
+        $this->assertEquals(BulkImportPartStatus::PENDING, $this->jobPart->getStatus());
+        $this->assertNull($this->jobPart->getReason());
+        $this->assertNull($this->jobPart->getCompletedAt());
+    }
+
+    public function testIsPending(): void
+    {
+        $this->assertTrue($this->jobPart->isPending());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::COMPLETED);
+        $this->assertFalse($this->jobPart->isPending());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::SKIPPED);
+        $this->assertFalse($this->jobPart->isPending());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::FAILED);
+        $this->assertFalse($this->jobPart->isPending());
+    }
+
+    public function testIsCompleted(): void
+    {
+        $this->assertFalse($this->jobPart->isCompleted());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::COMPLETED);
+        $this->assertTrue($this->jobPart->isCompleted());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::SKIPPED);
+        $this->assertFalse($this->jobPart->isCompleted());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::FAILED);
+        $this->assertFalse($this->jobPart->isCompleted());
+    }
+
+    public function testIsSkipped(): void
+    {
+        $this->assertFalse($this->jobPart->isSkipped());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::SKIPPED);
+        $this->assertTrue($this->jobPart->isSkipped());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::COMPLETED);
+        $this->assertFalse($this->jobPart->isSkipped());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::FAILED);
+        $this->assertFalse($this->jobPart->isSkipped());
+    }
+
+    public function testIsFailed(): void
+    {
+        $this->assertFalse($this->jobPart->isFailed());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::FAILED);
+        $this->assertTrue($this->jobPart->isFailed());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::COMPLETED);
+        $this->assertFalse($this->jobPart->isFailed());
+
+        $this->jobPart->setStatus(BulkImportPartStatus::SKIPPED);
+        $this->assertFalse($this->jobPart->isFailed());
+    }
+
+    public function testBulkImportPartStatusEnum(): void
+    {
+        $this->assertEquals('pending', BulkImportPartStatus::PENDING->value);
+        $this->assertEquals('completed', BulkImportPartStatus::COMPLETED->value);
+        $this->assertEquals('skipped', BulkImportPartStatus::SKIPPED->value);
+        $this->assertEquals('failed', BulkImportPartStatus::FAILED->value);
+    }
+
+    public function testStatusTransitions(): void
+    {
+        // Test pending -> completed
+        $this->assertTrue($this->jobPart->isPending());
+        $this->jobPart->markAsCompleted();
+        $this->assertTrue($this->jobPart->isCompleted());
+
+        // Test completed -> pending
+        $this->jobPart->markAsPending();
+        $this->assertTrue($this->jobPart->isPending());
+
+        // Test pending -> skipped
+        $this->jobPart->markAsSkipped('Test reason');
+        $this->assertTrue($this->jobPart->isSkipped());
+
+        // Test skipped -> pending
+        $this->jobPart->markAsPending();
+        $this->assertTrue($this->jobPart->isPending());
+
+        // Test pending -> failed
+        $this->jobPart->markAsFailed('Test error');
+        $this->assertTrue($this->jobPart->isFailed());
+
+        // Test failed -> pending
+        $this->jobPart->markAsPending();
+        $this->assertTrue($this->jobPart->isPending());
+    }
+
+    public function testReasonAndCompletedAtConsistency(): void
+    {
+        // Initially no reason or completion time
+        $this->assertNull($this->jobPart->getReason());
+        $this->assertNull($this->jobPart->getCompletedAt());
+
+        // After marking as skipped, should have reason and completion time
+        $this->jobPart->markAsSkipped('Skipped reason');
+        $this->assertEquals('Skipped reason', $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+
+        // After marking as pending, reason and completion time should be cleared
+        $this->jobPart->markAsPending();
+        $this->assertNull($this->jobPart->getReason());
+        $this->assertNull($this->jobPart->getCompletedAt());
+
+        // After marking as failed, should have reason and completion time
+        $this->jobPart->markAsFailed('Failed reason');
+        $this->assertEquals('Failed reason', $this->jobPart->getReason());
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+
+        // After marking as completed, should have completion time (reason may remain from previous state)
+        $this->jobPart->markAsCompleted();
+        $this->assertInstanceOf(\DateTimeImmutable::class, $this->jobPart->getCompletedAt());
+    }
+}

tests/Entity/BulkInfoProviderImportJobTest.php

@@ -0,0 +1,368 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\InfoProviderSystem\BulkImportJobStatus;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
+use App\Entity\UserSystem\User;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use App\Services\InfoProviderSystem\DTOs\SearchResultDTO;
+use PHPUnit\Framework\TestCase;
+
+class BulkInfoProviderImportJobTest extends TestCase
+{
+    private BulkInfoProviderImportJob $job;
+    private User $user;
+
+    protected function setUp(): void
+    {
+        $this->user = new User();
+        $this->user->setName('test_user');
+
+        $this->job = new BulkInfoProviderImportJob();
+        $this->job->setCreatedBy($this->user);
+    }
+
+    private function createMockPart(int $id): \App\Entity\Parts\Part
+    {
+        $part = $this->createMock(\App\Entity\Parts\Part::class);
+        $part->method('getId')->willReturn($id);
+        $part->method('getName')->willReturn("Test Part {$id}");
+        return $part;
+    }
+
+    public function testConstruct(): void
+    {
+        $job = new BulkInfoProviderImportJob();
+
+        $this->assertInstanceOf(\DateTimeImmutable::class, $job->getCreatedAt());
+        $this->assertEquals(BulkImportJobStatus::PENDING, $job->getStatus());
+        $this->assertEmpty($job->getPartIds());
+        $this->assertEmpty($job->getFieldMappings());
+        $this->assertEmpty($job->getSearchResultsRaw());
+        $this->assertEmpty($job->getProgress());
+        $this->assertNull($job->getCompletedAt());
+        $this->assertFalse($job->isPrefetchDetails());
+    }
+
+    public function testBasicGettersSetters(): void
+    {
+        $this->job->setName('Test Job');
+        $this->assertEquals('Test Job', $this->job->getName());
+
+        // Test with actual parts - this is what actually works
+        $parts = [$this->createMockPart(1), $this->createMockPart(2), $this->createMockPart(3)];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+        $this->assertEquals([1, 2, 3], $this->job->getPartIds());
+
+        $fieldMappings = [new BulkSearchFieldMappingDTO(field: 'field1', providers: ['provider1', 'provider2'])];
+        $this->job->setFieldMappings($fieldMappings);
+        $this->assertEquals($fieldMappings, $this->job->getFieldMappings());
+
+        $this->job->setPrefetchDetails(true);
+        $this->assertTrue($this->job->isPrefetchDetails());
+
+        $this->assertEquals($this->user, $this->job->getCreatedBy());
+    }
+
+    public function testStatusTransitions(): void
+    {
+        $this->assertTrue($this->job->isPending());
+        $this->assertFalse($this->job->isInProgress());
+        $this->assertFalse($this->job->isCompleted());
+        $this->assertFalse($this->job->isFailed());
+        $this->assertFalse($this->job->isStopped());
+
+        $this->job->markAsInProgress();
+        $this->assertEquals(BulkImportJobStatus::IN_PROGRESS, $this->job->getStatus());
+        $this->assertTrue($this->job->isInProgress());
+        $this->assertFalse($this->job->isPending());
+
+        $this->job->markAsCompleted();
+        $this->assertEquals(BulkImportJobStatus::COMPLETED, $this->job->getStatus());
+        $this->assertTrue($this->job->isCompleted());
+        $this->assertNotNull($this->job->getCompletedAt());
+
+        $job2 = new BulkInfoProviderImportJob();
+        $job2->markAsFailed();
+        $this->assertEquals(BulkImportJobStatus::FAILED, $job2->getStatus());
+        $this->assertTrue($job2->isFailed());
+        $this->assertNotNull($job2->getCompletedAt());
+
+        $job3 = new BulkInfoProviderImportJob();
+        $job3->markAsStopped();
+        $this->assertEquals(BulkImportJobStatus::STOPPED, $job3->getStatus());
+        $this->assertTrue($job3->isStopped());
+        $this->assertNotNull($job3->getCompletedAt());
+    }
+
+    public function testCanBeStopped(): void
+    {
+        $this->assertTrue($this->job->canBeStopped());
+
+        $this->job->markAsInProgress();
+        $this->assertTrue($this->job->canBeStopped());
+
+        $this->job->markAsCompleted();
+        $this->assertFalse($this->job->canBeStopped());
+
+        $this->job->setStatus(BulkImportJobStatus::FAILED);
+        $this->assertFalse($this->job->canBeStopped());
+
+        $this->job->setStatus(BulkImportJobStatus::STOPPED);
+        $this->assertFalse($this->job->canBeStopped());
+    }
+
+    public function testPartCount(): void
+    {
+        $this->assertEquals(0, $this->job->getPartCount());
+
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3),
+            $this->createMockPart(4),
+            $this->createMockPart(5)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+        $this->assertEquals(5, $this->job->getPartCount());
+    }
+
+    public function testResultCount(): void
+    {
+        $this->assertEquals(0, $this->job->getResultCount());
+
+        $searchResults = new BulkSearchResponseDTO([
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO(
+                part: $this->createMockPart(1),
+                searchResults: [new BulkSearchPartResultDTO(searchResult: new SearchResultDTO(provider_key: 'dummy', provider_id: '1234', name: 'Part 1', description: 'A part'))]
+            ),
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO(
+                part: $this->createMockPart(2),
+                searchResults: [new BulkSearchPartResultDTO(searchResult: new SearchResultDTO(provider_key: 'dummy', provider_id: '1234', name: 'Part 2', description: 'A part')),
+                new BulkSearchPartResultDTO(searchResult: new SearchResultDTO(provider_key: 'dummy', provider_id: '5678', name: 'Part 2 Alt', description: 'Another part'))]
+            ),
+            new \App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO(
+                part: $this->createMockPart(3),
+                searchResults: []
+            )
+        ]);
+
+        $this->job->setSearchResults($searchResults);
+        $this->assertEquals(3, $this->job->getResultCount());
+    }
+
+    public function testPartProgressTracking(): void
+    {
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3),
+            $this->createMockPart(4)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->assertFalse($this->job->isPartCompleted(1));
+        $this->assertFalse($this->job->isPartSkipped(1));
+
+        $this->job->markPartAsCompleted(1);
+        $this->assertTrue($this->job->isPartCompleted(1));
+        $this->assertFalse($this->job->isPartSkipped(1));
+
+        $this->job->markPartAsSkipped(2, 'Not found');
+        $this->assertFalse($this->job->isPartCompleted(2));
+        $this->assertTrue($this->job->isPartSkipped(2));
+
+        $this->job->markPartAsPending(1);
+        $this->assertFalse($this->job->isPartCompleted(1));
+        $this->assertFalse($this->job->isPartSkipped(1));
+    }
+
+    public function testProgressCounts(): void
+    {
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3),
+            $this->createMockPart(4),
+            $this->createMockPart(5)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->assertEquals(0, $this->job->getCompletedPartsCount());
+        $this->assertEquals(0, $this->job->getSkippedPartsCount());
+
+        $this->job->markPartAsCompleted(1);
+        $this->job->markPartAsCompleted(2);
+        $this->job->markPartAsSkipped(3, 'Error');
+
+        $this->assertEquals(2, $this->job->getCompletedPartsCount());
+        $this->assertEquals(1, $this->job->getSkippedPartsCount());
+    }
+
+    public function testProgressPercentage(): void
+    {
+        $emptyJob = new BulkInfoProviderImportJob();
+        $this->assertEquals(100.0, $emptyJob->getProgressPercentage());
+
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3),
+            $this->createMockPart(4),
+            $this->createMockPart(5)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->assertEquals(0.0, $this->job->getProgressPercentage());
+
+        $this->job->markPartAsCompleted(1);
+        $this->job->markPartAsCompleted(2);
+        $this->assertEquals(40.0, $this->job->getProgressPercentage());
+
+        $this->job->markPartAsSkipped(3, 'Error');
+        $this->assertEquals(60.0, $this->job->getProgressPercentage());
+
+        $this->job->markPartAsCompleted(4);
+        $this->job->markPartAsCompleted(5);
+        $this->assertEquals(100.0, $this->job->getProgressPercentage());
+    }
+
+    public function testIsAllPartsCompleted(): void
+    {
+        $emptyJob = new BulkInfoProviderImportJob();
+        $this->assertTrue($emptyJob->isAllPartsCompleted());
+
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->assertFalse($this->job->isAllPartsCompleted());
+
+        $this->job->markPartAsCompleted(1);
+        $this->assertFalse($this->job->isAllPartsCompleted());
+
+        $this->job->markPartAsCompleted(2);
+        $this->job->markPartAsSkipped(3, 'Error');
+        $this->assertTrue($this->job->isAllPartsCompleted());
+    }
+
+    public function testDisplayNameMethods(): void
+    {
+        // Test with actual parts - setPartIds doesn't actually add parts
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->assertEquals('info_providers.bulk_import.job_name_template', $this->job->getDisplayNameKey());
+        $this->assertEquals(['%count%' => 3], $this->job->getDisplayNameParams());
+    }
+
+    public function testFormattedTimestamp(): void
+    {
+        $timestampRegex = '/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/';
+        $this->assertMatchesRegularExpression($timestampRegex, $this->job->getFormattedTimestamp());
+    }
+
+    public function testProgressDataStructure(): void
+    {
+        $parts = [
+            $this->createMockPart(1),
+            $this->createMockPart(2),
+            $this->createMockPart(3)
+        ];
+        foreach ($parts as $part) {
+            $this->job->addPart($part);
+        }
+
+        $this->job->markPartAsCompleted(1);
+        $this->job->markPartAsSkipped(2, 'Test reason');
+
+        $progress = $this->job->getProgress();
+
+        // The progress array should have keys for all part IDs, even if not completed/skipped
+        $this->assertArrayHasKey(1, $progress, 'Progress should contain key for part 1');
+        $this->assertArrayHasKey(2, $progress, 'Progress should contain key for part 2');
+        $this->assertArrayHasKey(3, $progress, 'Progress should contain key for part 3');
+
+        // Part 1: completed
+        $this->assertEquals('completed', $progress[1]['status']);
+        $this->assertArrayHasKey('completed_at', $progress[1]);
+        $this->assertArrayNotHasKey('reason', $progress[1]);
+
+        // Part 2: skipped
+        $this->assertEquals('skipped', $progress[2]['status']);
+        $this->assertEquals('Test reason', $progress[2]['reason']);
+        $this->assertArrayHasKey('completed_at', $progress[2]);
+
+        // Part 3: should be present but not completed/skipped
+        $this->assertEquals('pending', $progress[3]['status']);
+        $this->assertArrayNotHasKey('completed_at', $progress[3]);
+        $this->assertArrayNotHasKey('reason', $progress[3]);
+    }
+
+    public function testCompletedAtTimestamp(): void
+    {
+        $this->assertNull($this->job->getCompletedAt());
+
+        $beforeCompletion = new \DateTimeImmutable();
+        $this->job->markAsCompleted();
+        $afterCompletion = new \DateTimeImmutable();
+
+        $completedAt = $this->job->getCompletedAt();
+        $this->assertNotNull($completedAt);
+        $this->assertGreaterThanOrEqual($beforeCompletion, $completedAt);
+        $this->assertLessThanOrEqual($afterCompletion, $completedAt);
+
+        $customTime = new \DateTimeImmutable('2023-01-01 12:00:00');
+        $this->job->setCompletedAt($customTime);
+        $this->assertEquals($customTime, $this->job->getCompletedAt());
+    }
+}

tests/Form/InfoProviderSystem/GlobalFieldMappingTypeTest.php

@@ -0,0 +1,68 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Form\InfoProviderSystem;
+
+use App\Form\InfoProviderSystem\GlobalFieldMappingType;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Symfony\Component\Form\FormFactoryInterface;
+
+/**
+ * @group slow
+ * @group DB
+ */
+class GlobalFieldMappingTypeTest extends KernelTestCase
+{
+    private FormFactoryInterface $formFactory;
+
+    protected function setUp(): void
+    {
+        self::bootKernel();
+        $this->formFactory = static::getContainer()->get(FormFactoryInterface::class);
+    }
+
+    public function testFormCreation(): void
+    {
+        $form = $this->formFactory->create(GlobalFieldMappingType::class, null, [
+            'field_choices' => [
+                'MPN' => 'mpn',
+                'Name' => 'name'
+            ],
+            'csrf_protection' => false
+        ]);
+
+        $this->assertTrue($form->has('field_mappings'));
+        $this->assertTrue($form->has('prefetch_details'));
+        $this->assertTrue($form->has('submit'));
+    }
+
+    public function testFormOptions(): void
+    {
+        $form = $this->formFactory->create(GlobalFieldMappingType::class, null, [
+            'field_choices' => [],
+            'csrf_protection' => false
+        ]);
+
+        $view = $form->createView();
+        $this->assertFalse($view['prefetch_details']->vars['required']);
+    }
+}

tests/Repository/LogEntryRepositoryTest.php

@@ -112,7 +112,8 @@ class LogEntryRepositoryTest extends KernelTestCase
         $this->assertCount(2, $logs);
 
         //The first one must be newer than the second one
-        $this->assertGreaterThanOrEqual($logs[0]->getTimestamp(), $logs[1]->getTimestamp());
+        $this->assertGreaterThanOrEqual($logs[1]->getTimestamp(), $logs[0]->getTimestamp());
+        $this->assertGreaterThanOrEqual($logs[1]->getID(), $logs[0]->getID());
     }
 
     public function testGetElementExistedAtTimestamp(): void

tests/Services/ElementTypeNameGeneratorTest.php

@@ -25,11 +25,12 @@ namespace App\Tests\Services;
 use App\Entity\Attachments\PartAttachment;
 use App\Entity\Base\AbstractDBElement;
 use App\Entity\Base\AbstractNamedDBElement;
+use App\Entity\InfoProviderSystem\BulkInfoProviderImportJob;
 use App\Entity\Parts\Category;
 use App\Entity\Parts\Part;
 use App\Exceptions\EntityNotSupportedException;
-use App\Services\Formatters\AmountFormatter;
 use App\Services\ElementTypeNameGenerator;
+use App\Services\Formatters\AmountFormatter;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 class ElementTypeNameGeneratorTest extends WebTestCase
@@ -50,16 +51,18 @@ class ElementTypeNameGeneratorTest extends WebTestCase
         //We only test in english
         $this->assertSame('Part', $this->service->getLocalizedTypeLabel(new Part()));
         $this->assertSame('Category', $this->service->getLocalizedTypeLabel(new Category()));
+        $this->assertSame('Bulk info provider import', $this->service->getLocalizedTypeLabel(new BulkInfoProviderImportJob()));
 
         //Test inheritance
         $this->assertSame('Attachment', $this->service->getLocalizedTypeLabel(new PartAttachment()));
 
         //Test for class name
         $this->assertSame('Part', $this->service->getLocalizedTypeLabel(Part::class));
+        $this->assertSame('Bulk info provider import', $this->service->getLocalizedTypeLabel(BulkInfoProviderImportJob::class));
 
         //Test exception for unknpwn type
         $this->expectException(EntityNotSupportedException::class);
-        $this->service->getLocalizedTypeLabel(new class() extends AbstractDBElement {
+        $this->service->getLocalizedTypeLabel(new class () extends AbstractDBElement {
         });
     }
 
@@ -74,7 +77,7 @@ class ElementTypeNameGeneratorTest extends WebTestCase
 
         //Test exception
         $this->expectException(EntityNotSupportedException::class);
-        $this->service->getTypeNameCombination(new class() extends AbstractNamedDBElement {
+        $this->service->getTypeNameCombination(new class () extends AbstractNamedDBElement {
             public function getIDString(): string
             {
                 return 'Stub';

tests/Services/ImportExportSystem/EntityExporterTest.php

@@ -26,6 +26,7 @@ use App\Entity\Parts\Category;
 use App\Services\ImportExportSystem\EntityExporter;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\HttpFoundation\Request;
+use PhpOffice\PhpSpreadsheet\IOFactory;
 
 class EntityExporterTest extends WebTestCase
 {
@@ -76,7 +77,40 @@ class EntityExporterTest extends WebTestCase
 
         $this->assertSame('application/json', $response->headers->get('Content-Type'));
         $this->assertNotEmpty($response->headers->get('Content-Disposition'));
+    }
 
+    public function testExportToExcel(): void
+    {
+        $entities = $this->getEntities();
 
+        $xlsxData = $this->service->exportEntities($entities, ['format' => 'xlsx', 'level' => 'simple']);
+        $this->assertNotEmpty($xlsxData);
+
+        $tempFile = tempnam(sys_get_temp_dir(), 'test_export') . '.xlsx';
+        file_put_contents($tempFile, $xlsxData);
+        
+        $spreadsheet = IOFactory::load($tempFile);
+        $worksheet = $spreadsheet->getActiveSheet();
+        
+        $this->assertSame('name', $worksheet->getCell('A1')->getValue());
+        $this->assertSame('full_name', $worksheet->getCell('B1')->getValue());
+        
+        $this->assertSame('Enitity 1', $worksheet->getCell('A2')->getValue());
+        $this->assertSame('Enitity 1', $worksheet->getCell('B2')->getValue());
+        
+        unlink($tempFile);
+    }
+
+    public function testExportExcelFromRequest(): void
+    {
+        $entities = $this->getEntities();
+
+        $request = new Request();
+        $request->request->set('format', 'xlsx');
+        $request->request->set('level', 'simple');
+        $response = $this->service->exportEntityFromRequest($entities, $request);
+
+        $this->assertSame('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', $response->headers->get('Content-Type'));
+        $this->assertStringContainsString('export_Category_simple.xlsx', $response->headers->get('Content-Disposition'));
     }
 }

tests/Services/ImportExportSystem/EntityImporterTest.php

@@ -36,6 +36,9 @@ use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\ConstraintViolationListInterface;
+use Symfony\Component\HttpFoundation\File\File;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
 
 #[Group('DB')]
 class EntityImporterTest extends WebTestCase
@@ -207,6 +210,10 @@ EOT;
         yield ['json', 'json'];
         yield ['yaml', 'yml'];
         yield ['yaml', 'YAML'];
+        yield ['xlsx', 'xlsx'];
+        yield ['xlsx', 'XLSX'];
+        yield ['xls', 'xls'];
+        yield ['xls', 'XLS'];
     }
 
     #[DataProvider('formatDataProvider')]
@@ -342,4 +349,41 @@ EOT;
         $this->assertSame($category, $results[0]->getCategory());
         $this->assertSame('test,test2', $results[0]->getTags());
     }
+
+    public function testImportExcelFileProjects(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $worksheet = $spreadsheet->getActiveSheet();
+        
+        $worksheet->setCellValue('A1', 'name');
+        $worksheet->setCellValue('B1', 'comment');
+        $worksheet->setCellValue('A2', 'Test Excel 1');
+        $worksheet->setCellValue('B2', 'Test Excel 1 notes');
+        $worksheet->setCellValue('A3', 'Test Excel 2');
+        $worksheet->setCellValue('B3', 'Test Excel 2 notes');
+        
+        $tempFile = tempnam(sys_get_temp_dir(), 'test_excel') . '.xlsx';
+        $writer = new Xlsx($spreadsheet);
+        $writer->save($tempFile);
+        
+        $file = new File($tempFile);
+        
+        $errors = [];
+        $results = $this->service->importFile($file, [
+            'class' => Project::class,
+            'format' => 'xlsx',
+            'csv_delimiter' => ';',
+        ], $errors);
+
+        $this->assertCount(2, $results);
+        $this->assertEmpty($errors);
+        $this->assertContainsOnlyInstancesOf(Project::class, $results);
+
+        $this->assertSame('Test Excel 1', $results[0]->getName());
+        $this->assertSame('Test Excel 1 notes', $results[0]->getComment());
+        $this->assertSame('Test Excel 2', $results[1]->getName());
+        $this->assertSame('Test Excel 2 notes', $results[1]->getComment());
+        
+        unlink($tempFile);
+    }
 }

tests/Services/InfoProviderSystem/DTOs/BulkSearchFieldMappingDTOTest.php

@@ -0,0 +1,63 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Services\InfoProviderSystem\DTOs;
+
+use App\Services\InfoProviderSystem\DTOs\BulkSearchFieldMappingDTO;
+use PHPUnit\Framework\TestCase;
+
+class BulkSearchFieldMappingDTOTest extends TestCase
+{
+
+    public function testIsSupplierPartNumberField(): void
+    {
+        $fieldMapping = new BulkSearchFieldMappingDTO(field: 'reichelt_spn', providers: ['provider1'], priority: 1);
+        $this->assertTrue($fieldMapping->isSupplierPartNumberField());
+
+        $fieldMapping = new BulkSearchFieldMappingDTO(field: 'partNumber', providers: ['provider1'], priority: 1);
+        $this->assertFalse($fieldMapping->isSupplierPartNumberField());
+    }
+
+    public function testToSerializableArray(): void
+    {
+        $fieldMapping = new BulkSearchFieldMappingDTO(field: 'test', providers: ['provider1', 'provider2'], priority: 3);
+        $array = $fieldMapping->toSerializableArray();
+        $this->assertIsArray($array);
+        $this->assertSame([
+            'field' => 'test',
+            'providers' => ['provider1', 'provider2'],
+            'priority' => 3,
+        ], $array);
+    }
+
+    public function testFromSerializableArray(): void
+    {
+        $data = [
+            'field' => 'test',
+            'providers' => ['provider1', 'provider2'],
+            'priority' => 3,
+        ];
+        $fieldMapping = BulkSearchFieldMappingDTO::fromSerializableArray($data);
+        $this->assertInstanceOf(BulkSearchFieldMappingDTO::class, $fieldMapping);
+        $this->assertSame('test', $fieldMapping->field);
+        $this->assertSame(['provider1', 'provider2'], $fieldMapping->providers);
+        $this->assertSame(3, $fieldMapping->priority);
+    }
+}

tests/Services/InfoProviderSystem/DTOs/BulkSearchPartResultsDTOTest.php

@@ -0,0 +1,63 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Services\InfoProviderSystem\DTOs;
+
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO;
+use PHPUnit\Framework\TestCase;
+
+class BulkSearchPartResultsDTOTest extends TestCase
+{
+
+    public function testHasErrors(): void
+    {
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], []);
+        $this->assertFalse($test->hasErrors());
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], ['error1']);
+        $this->assertTrue($test->hasErrors());
+    }
+
+    public function testGetErrorCount(): void
+    {
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], []);
+        $this->assertCount(0, $test->errors);
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], ['error1', 'error2']);
+        $this->assertCount(2, $test->errors);
+    }
+
+    public function testHasResults(): void
+    {
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], []);
+        $this->assertFalse($test->hasResults());
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [ $this->createMock(\App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO::class) ], []);
+        $this->assertTrue($test->hasResults());
+    }
+
+    public function testGetResultCount(): void
+    {
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [], []);
+        $this->assertCount(0, $test->searchResults);
+        $test = new BulkSearchPartResultsDTO($this->createMock(\App\Entity\Parts\Part::class), [
+            $this->createMock(\App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO::class),
+            $this->createMock(\App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO::class)
+        ], []);
+        $this->assertCount(2, $test->searchResults);
+    }
+}

tests/Services/InfoProviderSystem/DTOs/BulkSearchResponseDTOTest.php

@@ -0,0 +1,258 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Services\InfoProviderSystem\DTOs;
+
+use App\Entity\Parts\Part;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchResponseDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultDTO;
+use App\Services\InfoProviderSystem\DTOs\BulkSearchPartResultsDTO;
+use App\Services\InfoProviderSystem\DTOs\SearchResultDTO;
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+class BulkSearchResponseDTOTest extends KernelTestCase
+{
+
+    private EntityManagerInterface $entityManager;
+
+    private BulkSearchResponseDTO $dummyEmpty;
+    private BulkSearchResponseDTO $dummy;
+
+    protected function setUp(): void
+    {
+        self::bootKernel();
+        $this->entityManager = self::getContainer()->get(EntityManagerInterface::class);
+
+        $this->dummyEmpty = new BulkSearchResponseDTO(partResults: []);
+        $this->dummy = new BulkSearchResponseDTO(partResults: [
+            new BulkSearchPartResultsDTO(
+                part: $this->entityManager->find(Part::class, 1),
+                searchResults: [
+                    new BulkSearchPartResultDTO(
+                        searchResult: new SearchResultDTO(provider_key: "dummy", provider_id: "1234", name: "Test Part", description: "A part for testing"),
+                        sourceField: "mpn", sourceKeyword: "1234", priority: 1
+                    ),
+                    new BulkSearchPartResultDTO(
+                        searchResult: new SearchResultDTO(provider_key: "test", provider_id: "test", name: "Test Part2", description: "A part for testing"),
+                        sourceField: "name", sourceKeyword: "1234",
+                        localPart: $this->entityManager->find(Part::class, 2), priority: 2,
+                    ),
+                ],
+                errors: ['Error 1']
+            )
+        ]);
+    }
+
+    public function testSerializationBackAndForthEmpty(): void
+    {
+        $serialized = $this->dummyEmpty->toSerializableRepresentation();
+        //Ensure that it is json_encodable
+        $json = json_encode($serialized, JSON_THROW_ON_ERROR);
+        $this->assertJson($json);
+        $deserialized = BulkSearchResponseDTO::fromSerializableRepresentation(json_decode($json), $this->entityManager);
+
+        $this->assertEquals($this->dummyEmpty, $deserialized);
+    }
+
+    public function testSerializationBackAndForth(): void
+    {
+        $serialized = $this->dummy->toSerializableRepresentation();
+        //Ensure that it is json_encodable
+        $this->assertJson(json_encode($serialized, JSON_THROW_ON_ERROR));
+        $deserialized = BulkSearchResponseDTO::fromSerializableRepresentation($serialized, $this->entityManager);
+
+        $this->assertEquals($this->dummy, $deserialized);
+    }
+
+    public function testToSerializableRepresentation(): void
+    {
+        $serialized = $this->dummy->toSerializableRepresentation();
+
+        $expected = array (
+            0 =>
+                array (
+                    'part_id' => 1,
+                    'search_results' =>
+                        array (
+                            0 =>
+                                array (
+                                    'dto' =>
+                                        array (
+                                            'provider_key' => 'dummy',
+                                            'provider_id' => '1234',
+                                            'name' => 'Test Part',
+                                            'description' => 'A part for testing',
+                                            'category' => NULL,
+                                            'manufacturer' => NULL,
+                                            'mpn' => NULL,
+                                            'preview_image_url' => NULL,
+                                            'manufacturing_status' => NULL,
+                                            'provider_url' => NULL,
+                                            'footprint' => NULL,
+                                        ),
+                                    'source_field' => 'mpn',
+                                    'source_keyword' => '1234',
+                                    'localPart' => NULL,
+                                    'priority' => 1,
+                                ),
+                            1 =>
+                                array (
+                                    'dto' =>
+                                        array (
+                                            'provider_key' => 'test',
+                                            'provider_id' => 'test',
+                                            'name' => 'Test Part2',
+                                            'description' => 'A part for testing',
+                                            'category' => NULL,
+                                            'manufacturer' => NULL,
+                                            'mpn' => NULL,
+                                            'preview_image_url' => NULL,
+                                            'manufacturing_status' => NULL,
+                                            'provider_url' => NULL,
+                                            'footprint' => NULL,
+                                        ),
+                                    'source_field' => 'name',
+                                    'source_keyword' => '1234',
+                                    'localPart' => 2,
+                                    'priority' => 2,
+                                ),
+                        ),
+                    'errors' =>
+                        array (
+                            0 => 'Error 1',
+                        ),
+                ),
+        );
+
+        $this->assertEquals($expected, $serialized);
+    }
+
+    public function testFromSerializableRepresentation(): void
+    {
+        $input = array (
+            0 =>
+                array (
+                    'part_id' => 1,
+                    'search_results' =>
+                        array (
+                            0 =>
+                                array (
+                                    'dto' =>
+                                        array (
+                                            'provider_key' => 'dummy',
+                                            'provider_id' => '1234',
+                                            'name' => 'Test Part',
+                                            'description' => 'A part for testing',
+                                            'category' => NULL,
+                                            'manufacturer' => NULL,
+                                            'mpn' => NULL,
+                                            'preview_image_url' => NULL,
+                                            'manufacturing_status' => NULL,
+                                            'provider_url' => NULL,
+                                            'footprint' => NULL,
+                                        ),
+                                    'source_field' => 'mpn',
+                                    'source_keyword' => '1234',
+                                    'localPart' => NULL,
+                                    'priority' => 1,
+                                ),
+                            1 =>
+                                array (
+                                    'dto' =>
+                                        array (
+                                            'provider_key' => 'test',
+                                            'provider_id' => 'test',
+                                            'name' => 'Test Part2',
+                                            'description' => 'A part for testing',
+                                            'category' => NULL,
+                                            'manufacturer' => NULL,
+                                            'mpn' => NULL,
+                                            'preview_image_url' => NULL,
+                                            'manufacturing_status' => NULL,
+                                            'provider_url' => NULL,
+                                            'footprint' => NULL,
+                                        ),
+                                    'source_field' => 'name',
+                                    'source_keyword' => '1234',
+                                    'localPart' => 2,
+                                    'priority' => 2,
+                                ),
+                        ),
+                    'errors' =>
+                        array (
+                            0 => 'Error 1',
+                        ),
+                ),
+        );
+
+        $deserialized = BulkSearchResponseDTO::fromSerializableRepresentation($input, $this->entityManager);
+        $this->assertEquals($this->dummy, $deserialized);
+    }
+
+    public function testMerge(): void
+    {
+        $merged = BulkSearchResponseDTO::merge($this->dummy, $this->dummyEmpty);
+        $this->assertCount(1, $merged->partResults);
+
+        $merged = BulkSearchResponseDTO::merge($this->dummyEmpty, $this->dummyEmpty);
+        $this->assertCount(0, $merged->partResults);
+
+        $merged = BulkSearchResponseDTO::merge($this->dummy, $this->dummy, $this->dummy);
+        $this->assertCount(3, $merged->partResults);
+    }
+
+    public function testReplaceResultsForPart(): void
+    {
+        $newPartResults = new BulkSearchPartResultsDTO(
+            part: $this->entityManager->find(Part::class, 1),
+            searchResults: [
+                new BulkSearchPartResultDTO(
+                    searchResult: new SearchResultDTO(provider_key: "new", provider_id: "new", name: "New Part", description: "A new part"),
+                    sourceField: "mpn", sourceKeyword: "new", priority: 1
+                )
+            ],
+            errors: ['New Error']
+        );
+
+        $replaced = $this->dummy->replaceResultsForPart($newPartResults);
+        $this->assertCount(1, $replaced->partResults);
+        $this->assertSame($newPartResults, $replaced->partResults[0]);
+    }
+
+    public function testReplaceResultsForPartNotExisting(): void
+    {
+        $newPartResults = new BulkSearchPartResultsDTO(
+            part: $this->entityManager->find(Part::class, 1),
+            searchResults: [
+                new BulkSearchPartResultDTO(
+                    searchResult: new SearchResultDTO(provider_key: "new", provider_id: "new", name: "New Part", description: "A new part"),
+                    sourceField: "mpn", sourceKeyword: "new", priority: 1
+                )
+            ],
+            errors: ['New Error']
+        );
+
+        $this->expectException(\InvalidArgumentException::class);
+
+        $replaced = $this->dummyEmpty->replaceResultsForPart($newPartResults);
+    }
+}

tests/Services/InfoProviderSystem/Providers/LCSCProviderTest.php

@@ -0,0 +1,540 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *  Copyright (C) 2024 Nexrem (https://github.com/meganukebmp)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Tests\Services\InfoProviderSystem\Providers;
+
+use App\Services\InfoProviderSystem\DTOs\FileDTO;
+use App\Services\InfoProviderSystem\DTOs\ParameterDTO;
+use App\Services\InfoProviderSystem\DTOs\PartDetailDTO;
+use App\Services\InfoProviderSystem\DTOs\PriceDTO;
+use App\Services\InfoProviderSystem\DTOs\PurchaseInfoDTO;
+use App\Services\InfoProviderSystem\Providers\LCSCProvider;
+use App\Services\InfoProviderSystem\Providers\ProviderCapabilities;
+use App\Settings\InfoProviderSystem\LCSCSettings;
+use App\Tests\SettingsTestHelper;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpClient\MockHttpClient;
+use Symfony\Component\HttpClient\Response\MockResponse;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class LCSCProviderTest extends TestCase
+{
+    private LCSCSettings $settings;
+    private LCSCProvider $provider;
+    private MockHttpClient $httpClient;
+
+    protected function setUp(): void
+    {
+        $this->httpClient = new MockHttpClient();
+        $this->settings = SettingsTestHelper::createSettingsDummy(LCSCSettings::class);
+        $this->settings->currency = 'USD';
+        $this->settings->enabled = true;
+        $this->provider = new LCSCProvider($this->httpClient, $this->settings);
+    }
+
+    public function testGetProviderInfo(): void
+    {
+        $info = $this->provider->getProviderInfo();
+
+        $this->assertIsArray($info);
+        $this->assertArrayHasKey('name', $info);
+        $this->assertArrayHasKey('description', $info);
+        $this->assertArrayHasKey('url', $info);
+        $this->assertArrayHasKey('disabled_help', $info);
+        $this->assertEquals('LCSC', $info['name']);
+        $this->assertEquals('https://www.lcsc.com/', $info['url']);
+    }
+
+    public function testGetProviderKey(): void
+    {
+        $this->assertEquals('lcsc', $this->provider->getProviderKey());
+    }
+
+    public function testIsActiveWhenEnabled(): void
+    {
+        //Ensure that the settings are enabled
+        $this->settings->enabled = true;
+        $this->assertTrue($this->provider->isActive());
+    }
+
+    public function testIsActiveWhenDisabled(): void
+    {
+        //Ensure that the settings are disabled
+        $this->settings->enabled = false;
+        $this->assertFalse($this->provider->isActive());
+    }
+
+    public function testGetCapabilities(): void
+    {
+        $capabilities = $this->provider->getCapabilities();
+
+        $this->assertIsArray($capabilities);
+        $this->assertContains(ProviderCapabilities::BASIC, $capabilities);
+        $this->assertContains(ProviderCapabilities::PICTURE, $capabilities);
+        $this->assertContains(ProviderCapabilities::DATASHEET, $capabilities);
+        $this->assertContains(ProviderCapabilities::PRICE, $capabilities);
+        $this->assertContains(ProviderCapabilities::FOOTPRINT, $capabilities);
+    }
+
+    public function testSearchByKeywordWithCCode(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C123456',
+                'productModel' => 'Test Component',
+                'productIntroEn' => 'Test description',
+                'brandNameEn' => 'Test Manufacturer',
+                'encapStandard' => '0603',
+                'productImageUrl' => 'https://example.com/image.jpg',
+                'productImages' => ['https://example.com/image1.jpg'],
+                'productPriceList' => [
+                    ['ladder' => 1, 'productPrice' => '0.10', 'currencySymbol' => 'US$']
+                ],
+                'paramVOList' => [
+                    ['paramNameEn' => 'Resistance', 'paramValueEn' => '1kΩ']
+                ],
+                'pdfUrl' => 'https://example.com/datasheet.pdf',
+                'weight' => 0.001
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $results = $this->provider->searchByKeyword('C123456');
+
+        $this->assertIsArray($results);
+        $this->assertCount(1, $results);
+        $this->assertInstanceOf(PartDetailDTO::class, $results[0]);
+        $this->assertEquals('C123456', $results[0]->provider_id);
+        $this->assertEquals('Test Component', $results[0]->name);
+    }
+
+    public function testSearchByKeywordWithRegularTerm(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productSearchResultVO' => [
+                    'productList' => [
+                        [
+                            'productCode' => 'C789012',
+                            'productModel' => 'Regular Component',
+                            'productIntroEn' => 'Regular description',
+                            'brandNameEn' => 'Regular Manufacturer',
+                            'encapStandard' => '0805',
+                            'productImageUrl' => 'https://example.com/regular.jpg',
+                            'productImages' => ['https://example.com/regular1.jpg'],
+                            'productPriceList' => [
+                                ['ladder' => 10, 'productPrice' => '0.08', 'currencySymbol' => '€']
+                            ],
+                            'paramVOList' => [],
+                            'pdfUrl' => null,
+                            'weight' => null
+                        ]
+                    ]
+                ]
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $results = $this->provider->searchByKeyword('resistor');
+
+        $this->assertIsArray($results);
+        $this->assertCount(1, $results);
+        $this->assertInstanceOf(PartDetailDTO::class, $results[0]);
+        $this->assertEquals('C789012', $results[0]->provider_id);
+        $this->assertEquals('Regular Component', $results[0]->name);
+    }
+
+    public function testSearchByKeywordWithTipProduct(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productSearchResultVO' => [
+                    'productList' => []
+                ],
+                'tipProductDetailUrlVO' => [
+                    'productCode' => 'C555555'
+                ]
+            ]
+        ]));
+
+        $detailResponse = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C555555',
+                'productModel' => 'Tip Component',
+                'productIntroEn' => 'Tip description',
+                'brandNameEn' => 'Tip Manufacturer',
+                'encapStandard' => '1206',
+                'productImageUrl' => null,
+                'productImages' => [],
+                'productPriceList' => [],
+                'paramVOList' => [],
+                'pdfUrl' => null,
+                'weight' => null
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse, $detailResponse]);
+
+        $results = $this->provider->searchByKeyword('special');
+
+        $this->assertIsArray($results);
+        $this->assertCount(1, $results);
+        $this->assertInstanceOf(PartDetailDTO::class, $results[0]);
+        $this->assertEquals('C555555', $results[0]->provider_id);
+        $this->assertEquals('Tip Component', $results[0]->name);
+    }
+
+    public function testSearchByKeywordsBatch(): void
+    {
+        $mockResponse1 = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C123456',
+                'productModel' => 'Batch Component 1',
+                'productIntroEn' => 'Batch description 1',
+                'brandNameEn' => 'Batch Manufacturer',
+                'encapStandard' => '0603',
+                'productImageUrl' => null,
+                'productImages' => [],
+                'productPriceList' => [],
+                'paramVOList' => [],
+                'pdfUrl' => null,
+                'weight' => null
+            ]
+        ]));
+
+        $mockResponse2 = new MockResponse(json_encode([
+            'result' => [
+                'productSearchResultVO' => [
+                    'productList' => [
+                        [
+                            'productCode' => 'C789012',
+                            'productModel' => 'Batch Component 2',
+                            'productIntroEn' => 'Batch description 2',
+                            'brandNameEn' => 'Batch Manufacturer',
+                            'encapStandard' => '0805',
+                            'productImageUrl' => null,
+                            'productImages' => [],
+                            'productPriceList' => [],
+                            'paramVOList' => [],
+                            'pdfUrl' => null,
+                            'weight' => null
+                        ]
+                    ]
+                ]
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse1, $mockResponse2]);
+
+        $results = $this->provider->searchByKeywordsBatch(['C123456', 'resistor']);
+
+        $this->assertIsArray($results);
+        $this->assertArrayHasKey('C123456', $results);
+        $this->assertArrayHasKey('resistor', $results);
+        $this->assertCount(1, $results['C123456']);
+        $this->assertCount(1, $results['resistor']);
+        $this->assertEquals('C123456', $results['C123456'][0]->provider_id);
+        $this->assertEquals('C789012', $results['resistor'][0]->provider_id);
+    }
+
+    public function testGetDetails(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C123456',
+                'productModel' => 'Detailed Component',
+                'productIntroEn' => 'Detailed description',
+                'brandNameEn' => 'Detailed Manufacturer',
+                'encapStandard' => '0603',
+                'productImageUrl' => 'https://example.com/detail.jpg',
+                'productImages' => ['https://example.com/detail1.jpg'],
+                'productPriceList' => [
+                    ['ladder' => 1, 'productPrice' => '0.10', 'currencySymbol' => 'US$'],
+                    ['ladder' => 10, 'productPrice' => '0.08', 'currencySymbol' => 'US$']
+                ],
+                'paramVOList' => [
+                    ['paramNameEn' => 'Resistance', 'paramValueEn' => '1kΩ'],
+                    ['paramNameEn' => 'Tolerance', 'paramValueEn' => '1%']
+                ],
+                'pdfUrl' => 'https://example.com/datasheet.pdf',
+                'weight' => 0.001
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $result = $this->provider->getDetails('C123456');
+
+        $this->assertInstanceOf(PartDetailDTO::class, $result);
+        $this->assertEquals('C123456', $result->provider_id);
+        $this->assertEquals('Detailed Component', $result->name);
+        $this->assertEquals('Detailed description', $result->description);
+        $this->assertEquals('Detailed Manufacturer', $result->manufacturer);
+        $this->assertEquals('0603', $result->footprint);
+        $this->assertEquals('https://www.lcsc.com/product-detail/C123456.html', $result->provider_url);
+        $this->assertCount(1, $result->images);
+        $this->assertCount(2, $result->parameters);
+        $this->assertCount(1, $result->vendor_infos);
+        $this->assertEquals('0.001', $result->mass);
+    }
+
+    public function testGetDetailsWithNoResults(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productSearchResultVO' => [
+                    'productList' => []
+                ]
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $this->expectException(\RuntimeException::class);
+        $this->expectExceptionMessage('No part found with ID INVALID');
+
+        $this->provider->getDetails('INVALID');
+    }
+
+    public function testGetDetailsWithMultipleResults(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productSearchResultVO' => [
+                    'productList' => [
+                        [
+                            'productCode' => 'C123456',
+                            'productModel' => 'Component 1',
+                            'productIntroEn' => 'Description 1',
+                            'brandNameEn' => 'Manufacturer 1',
+                            'encapStandard' => '0603',
+                            'productImageUrl' => null,
+                            'productImages' => [],
+                            'productPriceList' => [],
+                            'paramVOList' => [],
+                            'pdfUrl' => null,
+                            'weight' => null
+                        ],
+                        [
+                            'productCode' => 'C789012',
+                            'productModel' => 'Component 2',
+                            'productIntroEn' => 'Description 2',
+                            'brandNameEn' => 'Manufacturer 2',
+                            'encapStandard' => '0805',
+                            'productImageUrl' => null,
+                            'productImages' => [],
+                            'productPriceList' => [],
+                            'paramVOList' => [],
+                            'pdfUrl' => null,
+                            'weight' => null
+                        ]
+                    ]
+                ]
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $this->expectException(\RuntimeException::class);
+        $this->expectExceptionMessage('Multiple parts found with ID ambiguous');
+
+        $this->provider->getDetails('ambiguous');
+    }
+
+    public function testSanitizeFieldPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('sanitizeField');
+        $method->setAccessible(true);
+
+        $this->assertNull($method->invokeArgs($this->provider, [null]));
+        $this->assertEquals('Clean text', $method->invokeArgs($this->provider, ['Clean text']));
+        $this->assertEquals('Text without tags', $method->invokeArgs($this->provider, ['<b>Text</b> without <i>tags</i>']));
+    }
+
+    public function testGetUsedCurrencyPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('getUsedCurrency');
+        $method->setAccessible(true);
+
+        $this->assertEquals('USD', $method->invokeArgs($this->provider, ['US$']));
+        $this->assertEquals('USD', $method->invokeArgs($this->provider, ['$']));
+        $this->assertEquals('EUR', $method->invokeArgs($this->provider, ['€']));
+        $this->assertEquals('GBP', $method->invokeArgs($this->provider, ['£']));
+        $this->assertEquals('USD', $method->invokeArgs($this->provider, ['UNKNOWN'])); // fallback to configured currency
+    }
+
+    public function testGetProductShortURLPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('getProductShortURL');
+        $method->setAccessible(true);
+
+        $result = $method->invokeArgs($this->provider, ['C123456']);
+        $this->assertEquals('https://www.lcsc.com/product-detail/C123456.html', $result);
+    }
+
+    public function testGetProductDatasheetsPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('getProductDatasheets');
+        $method->setAccessible(true);
+
+        $result = $method->invokeArgs($this->provider, [null]);
+        $this->assertIsArray($result);
+        $this->assertEmpty($result);
+
+        $result = $method->invokeArgs($this->provider, ['https://example.com/datasheet.pdf']);
+        $this->assertIsArray($result);
+        $this->assertCount(1, $result);
+        $this->assertInstanceOf(FileDTO::class, $result[0]);
+    }
+
+    public function testGetProductImagesPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('getProductImages');
+        $method->setAccessible(true);
+
+        $result = $method->invokeArgs($this->provider, [null]);
+        $this->assertIsArray($result);
+        $this->assertEmpty($result);
+
+        $result = $method->invokeArgs($this->provider, [['https://example.com/image1.jpg', 'https://example.com/image2.jpg']]);
+        $this->assertIsArray($result);
+        $this->assertCount(2, $result);
+        $this->assertInstanceOf(FileDTO::class, $result[0]);
+        $this->assertInstanceOf(FileDTO::class, $result[1]);
+    }
+
+    public function testAttributesToParametersPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('attributesToParameters');
+        $method->setAccessible(true);
+
+        $attributes = [
+            ['paramNameEn' => 'Resistance', 'paramValueEn' => '1kΩ'],
+            ['paramNameEn' => 'Tolerance', 'paramValueEn' => '1%'],
+            ['paramNameEn' => 'Empty', 'paramValueEn' => ''],
+            ['paramNameEn' => 'Dash', 'paramValueEn' => '-']
+        ];
+
+        $result = $method->invokeArgs($this->provider, [$attributes]);
+        $this->assertIsArray($result);
+        $this->assertCount(2, $result); // Only non-empty values
+        $this->assertInstanceOf(ParameterDTO::class, $result[0]);
+        $this->assertInstanceOf(ParameterDTO::class, $result[1]);
+    }
+
+    public function testPricesToVendorInfoPrivateMethod(): void
+    {
+        $reflection = new \ReflectionClass($this->provider);
+        $method = $reflection->getMethod('pricesToVendorInfo');
+        $method->setAccessible(true);
+
+        $prices = [
+            ['ladder' => 1, 'productPrice' => '0.10', 'currencySymbol' => 'US$'],
+            ['ladder' => 10, 'productPrice' => '0.08', 'currencySymbol' => 'US$']
+        ];
+
+        $result = $method->invokeArgs($this->provider, ['C123456', 'https://example.com', $prices]);
+        $this->assertIsArray($result);
+        $this->assertCount(1, $result);
+        $this->assertInstanceOf(PurchaseInfoDTO::class, $result[0]);
+        $this->assertEquals('LCSC', $result[0]->distributor_name);
+        $this->assertEquals('C123456', $result[0]->order_number);
+        $this->assertCount(2, $result[0]->prices);
+    }
+
+    public function testCategoryBuilding(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C123456',
+                'productModel' => 'Test Component',
+                'productIntroEn' => 'Test description',
+                'brandNameEn' => 'Test Manufacturer',
+                'parentCatalogName' => 'Electronic Components',
+                'catalogName' => 'Resistors/SMT',
+                'encapStandard' => '0603',
+                'productImageUrl' => null,
+                'productImages' => [],
+                'productPriceList' => [],
+                'paramVOList' => [],
+                'pdfUrl' => null,
+                'weight' => null
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $result = $this->provider->getDetails('C123456');
+        $this->assertEquals('Electronic Components -> Resistors -> SMT', $result->category);
+    }
+
+    public function testEmptyFootprintHandling(): void
+    {
+        $mockResponse = new MockResponse(json_encode([
+            'result' => [
+                'productCode' => 'C123456',
+                'productModel' => 'Test Component',
+                'productIntroEn' => 'Test description',
+                'brandNameEn' => 'Test Manufacturer',
+                'encapStandard' => '-',
+                'productImageUrl' => null,
+                'productImages' => [],
+                'productPriceList' => [],
+                'paramVOList' => [],
+                'pdfUrl' => null,
+                'weight' => null
+            ]
+        ]));
+
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $result = $this->provider->getDetails('C123456');
+        $this->assertNull($result->footprint);
+    }
+
+    public function testSearchByKeywordsBatchWithEmptyKeywords(): void
+    {
+        $result = $this->provider->searchByKeywordsBatch([]);
+        $this->assertIsArray($result);
+        $this->assertEmpty($result);
+    }
+
+    public function testSearchByKeywordsBatchWithException(): void
+    {
+        $mockResponse = new MockResponse('', ['http_code' => 500]);
+        $this->httpClient->setResponseFactory([$mockResponse]);
+
+        $results = $this->provider->searchByKeywordsBatch(['error']);
+        $this->assertIsArray($results);
+        $this->assertArrayHasKey('error', $results);
+        $this->assertEmpty($results['error']);
+    }
+}

tests/Services/Parts/PartsTableActionHandlerTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+namespace App\Tests\Services\Parts;
+
+use App\Entity\Parts\Part;
+use App\Services\Parts\PartsTableActionHandler;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+class PartsTableActionHandlerTest extends WebTestCase
+{
+    private PartsTableActionHandler $service;
+
+    protected function setUp(): void
+    {
+        self::bootKernel();
+        $this->service = self::getContainer()->get(PartsTableActionHandler::class);
+    }
+
+    public function testExportActionsRedirectToExportController(): void
+    {
+        // Mock a Part entity with required properties
+        $part = $this->createMock(Part::class);
+        $part->method('getId')->willReturn(1);
+        $part->method('getName')->willReturn('Test Part');
+        
+        $selected_parts = [$part];
+
+        // Test each export format, focusing on our new xlsx format
+        $formats = ['json', 'csv', 'xml', 'yaml', 'xlsx'];
+        
+        foreach ($formats as $format) {
+            $action = "export_{$format}";
+            $result = $this->service->handleAction($action, $selected_parts, 1, '/test');
+            
+            $this->assertInstanceOf(RedirectResponse::class, $result);
+            $this->assertStringContainsString('parts/export', $result->getTargetUrl());
+            $this->assertStringContainsString("format={$format}", $result->getTargetUrl());
+        }
+    }
+
+}