Part-DB-server/src/Services/InfoProviderSystem/DTOJsonSchemaConverter.php

252 lines
13 KiB
PHP

<?php
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2026 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;
use App\Entity\Parts\ManufacturingStatus;
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;
/**
* This class allows to convert the JSON data returned by an LLM into the DTOs used by the info provider system later.
*/
final class DTOJsonSchemaConverter
{
/**
* Returns the JSON schema, that defines the expected structure of the JSON data returned by the LLM.
* @return array
*/
public function getJSONSchema(): array
{
return [
'name' => 'clock',
'strict' => true,
'schema' => [
'type' => 'object',
'properties' => [
'name' => ['type' => 'string', 'description' => 'Product name'],
'description' => ['type' => 'string', 'description' => 'A short description of the product, maybe containing the most important things. Onnly One line.'],
'manufacturer' => ['type' => ['string', 'null'], 'description' => 'Manufacturer name'],
'mpn' => ['type' => ['string', 'null'], 'description' => 'Manufacturer Part Number'],
'category' => ['type' => ['string', 'null'], 'description' => 'Product category, e.g. "Passive components -> Resistors"'],
'manufacturing_status' => ['type' => ['string', 'null'], 'enum' => ['active', 'obsolete', 'nrfnd', 'discontinued', null], 'description' => 'Manufacturing status'],
'footprint' => ['type' => ['string', 'null'], 'description' => 'Package/footprint type, like "SOT-23", "DIP-8", "QFN-32" etc.'],
'mass' => ['type' => ['number', 'null'], 'description' => 'Mass of the product in grams'],
'gtin' => ['type' => ['string', 'null'], 'description' => 'Global Trade Item Number (GTIN) / EAN / UPC code for barcodes'],
'notes' => ['type' => ['string', 'null'], 'description' => 'Optional long description of the part with more details than description. Can be markdown formatted.'],
'parameters' => [
'type' => 'array',
'items' => [
'type' => 'object',
'properties' => [
'name' => ['type' => 'string'],
'symbol' => ['type' => ['string', 'null'], 'description' => 'An optional quantity symbol for the parameter in latex code, like R_1'],
'value_typical' => ['type' => ['number', 'null'], 'description' => 'The typical value of the parameter. For example, for a resistor this could be 100 for a 100 Ohm resistor. Also used if only one numeric value is given. If used an unit should be given'],
'value_min' => ['type' => ['number', 'null'], 'description' => 'If a range is given for the parameter, this is the minimum value. Null if no range is given.'],
'value_max' => ['type' => ['number', 'null'], 'description' => 'If a range is given for the parameter, this is the maximum value. Null if not a range.'],
'value_text' => ['type' => ['string', 'null'], 'description' => 'When a value is not numeric it can be put here as text. Only use if it does not fit in value_min, value_typical or value_max. E.g. "Yes", "Red", etc.'],
'group' => ['type' => ['string', 'null'], 'description' => 'An optional group name for the parameter, e.g. "Electrical parameters", "Mechanical parameters" etc.'],
'unit' => ['type' => ['string', 'null'], 'description' => 'The unit of the parameter values, e.g. kg, Ohm, V, etc.'],
],
'required' => ['name', 'value_typical', 'value_min', 'value_max', 'value_text']
],
],
'datasheets' => [
'description' => 'A list of datasheets, manuals, or other technical documents related to the product. Not images, but actual documents, preferably PDFs.',
'type' => 'array',
'items' => [
'type' => 'object',
'properties' => [
'url' => ['type' => 'string'],
'description' => ['type' => 'string'],
],
'required' => ['url'],
],
],
'images' => [
'type' => 'array',
'items' => [
'type' => 'object',
'properties' => [
'url' => ['type' => 'string'],
'description' => ['type' => 'string'],
],
'required' => ['url'],
],
],
'vendor_infos' => [
'type' => 'array',
'items' => [
'type' => 'object',
'properties' => [
'distributor_name' => ['type' => 'string', 'description' => 'Name of the distributor or vendor. Typically the shop name'],
'order_number' => ['type' => ['string', 'null'], 'description' => 'The order number or SKU used by the distributor. Optional, but can help to find the product on the distributor website.'],
'product_url' => ['type' => 'string'],
'prices_include_vat' => ['type' => ['boolean', 'null'], 'description' => 'Whether the prices include VAT or not. Null if unknown.'],
'prices' => [
'type' => 'array',
'items' => [
'type' => 'object',
'properties' => [
'minimum_quantity' => ['type' => 'integer', 'description' => 'Minimum quantity for this price tier. 1 when no tiered pricing is available.'],
'price' => ['type' => 'number', 'description' => 'Price for the given minimum quantity.'],
'currency' => ['type' => 'string', 'description' => 'Currency ISO code, e.g. USD'],
],
'required' => ['minimum_quantity', 'price', 'currency'],
],
],
],
'required' => ['distributor_name', 'product_url'],
],
],
'manufacturer_product_url' => ['type' => ['string', 'null'], 'description' => 'Manufacturer product page URL'],
],
'required' => ['name', 'description'],
]
];
}
public function jsonToDTO(array $data, string $providerKey, string $providerId, ?string $productUrl = null, string $distributorNameFallback = '???'): PartDetailDTO
{
// Map manufacturing status
$manufacturingStatus = null;
if (!empty($data['manufacturing_status'])) {
$status = strtolower((string) $data['manufacturing_status']);
$manufacturingStatus = match ($status) {
'active' => ManufacturingStatus::ACTIVE,
'obsolete', 'discontinued' => ManufacturingStatus::DISCONTINUED,
'nrfnd', 'not recommended for new designs' => ManufacturingStatus::NRFND,
'eol' => ManufacturingStatus::EOL,
'announced' => ManufacturingStatus::ANNOUNCED,
default => null,
};
}
// Build parameters
$parameters = null;
if (!empty($data['parameters']) && is_array($data['parameters'])) {
$parameters = [];
foreach ($data['parameters'] as $p) {
if (!empty($p['name'])) {
$parameters[] = new ParameterDTO(
name: $p['name'],
value_text: $p['value_text'] ?? null,
value_typ: isset($p['value_typical']) && is_numeric($p['value_typical']) ? (float) $p['value_typical'] : null,
value_min: isset($p['value_min']) && is_numeric($p['value_min']) ? (float) $p['value_min'] : null,
value_max: isset($p['value_max']) && is_numeric($p['value_max']) ? (float) $p['value_max'] : null,
unit: $p['unit'] ?? null,
symbol: $p['symbol'] ?? null,
group: $p['group'] ?? null,
);
}
}
}
// Build datasheets
$datasheets = null;
if (!empty($data['datasheets']) && is_array($data['datasheets'])) {
$datasheets = [];
foreach ($data['datasheets'] as $d) {
if (!empty($d['url'])) {
$datasheets[] = new FileDTO(
url: $d['url'],
name: $d['description'] ?? 'Datasheet'
);
}
}
}
// Build images
$images = null;
if (!empty($data['images']) && is_array($data['images'])) {
$images = [];
foreach ($data['images'] as $i) {
if (!empty($i['url'])) {
$images[] = new FileDTO(
url: $i['url'],
name: $i['description'] ?? 'Image'
);
}
}
}
// Build vendor infos
$vendorInfos = null;
if (!empty($data['vendor_infos']) && is_array($data['vendor_infos'])) {
$vendorInfos = [];
foreach ($data['vendor_infos'] as $v) {
$prices = [];
if (!empty($v['prices']) && is_array($v['prices'])) {
foreach ($v['prices'] as $p) {
$prices[] = new PriceDTO(
minimum_discount_amount: (int) ($p['minimum_quantity'] ?? 1),
price: (string) ($p['price'] ?? 0),
currency_iso_code: $p['currency'] ?? null,
price_related_quantity: 1,
);
}
}
$vendorInfos[] = new PurchaseInfoDTO(
distributor_name: $v['distributor_name'] ?? $distributorNameFallback,
order_number: $v['order_number'] ?? 'Unknown',
prices: $prices,
product_url: $v['product_url'] ?? $productUrl,
prices_include_vat: $v['prices_include_vat'] ?? null,
);
}
}
// Get preview image URL
$previewImageUrl = null;
if (!empty($data['images']) && is_array($data['images']) && !empty($data['images'][0]['url'])) {
$previewImageUrl = $data['images'][0]['url'];
}
return new PartDetailDTO(
provider_key: $providerKey,
provider_id: $providerId,
name: $data['name'] ?? 'Unknown',
description: $data['description'] ?? '',
category: $data['category'] ?? null,
manufacturer: $data['manufacturer'] ?? null,
mpn: $data['mpn'] ?? null,
preview_image_url: $previewImageUrl,
manufacturing_status: $manufacturingStatus,
provider_url: $productUrl,
footprint: $data['footprint'] ?? null,
gtin: $data['gtin'] ?? null,
notes: $data['notes'] ?? null,
datasheets: $datasheets,
images: $images,
parameters: $parameters,
vendor_infos: $vendorInfos,
mass: isset($data['mass']) && is_numeric($data['mass']) ? (float) $data['mass'] : null,
manufacturer_product_url: $data['manufacturer_product_url'] ?? null,
);
}
}