Introduced subsystem to configure AI providers and allow services to select them dynamiclly

src/Services/AI/AIPlatformRegistry.php

@@ -0,0 +1,95 @@
+<?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\AI;
+
+use Jbtronics\SettingsBundle\Manager\SettingsManagerInterface;
+use Symfony\AI\Platform\PlatformInterface;
+use Symfony\Component\DependencyInjection\Attribute\AutowireIterator;
+
+final readonly class AIPlatformRegistry
+{
+    /**
+     * All registered platforms, indexed by their service tag name (e.g. "openrouter", "lmstudio")
+     * @var array<string, PlatformInterface> $allPlatforms
+     */
+    private array $allPlatforms;
+
+    /**
+     * All registered platforms, indexed by their AIPlatforms enum value (e.g. AIPlatforms::OPENROUTER->value)
+     * @var array<string, PlatformInterface> $enabledPlatforms
+     */
+    private array $enabledPlatforms;
+
+    public function __construct(
+        SettingsManagerInterface $settingsManager,
+
+        #[AutowireIterator(tag: 'ai.platform', indexAttribute: 'name')]
+        iterable $platforms,
+    ) {
+        $this->allPlatforms = iterator_to_array($platforms);
+
+        //Check which platforms are active based on the settings and store them in $activePlatforms
+        $tmp = [];
+        foreach (AIPlatforms::cases() as $platform) {
+            if (isset($this->allPlatforms[$platform->toServiceTagName()])) {
+                //Check if the platform is active by calling its isActive() on the settings class
+                $settings = $settingsManager->get($platform->toSettingsClass());
+                if (!$settings->isAIPlatformEnabled()) {
+                    continue;
+                }
+
+                $tmp[$platform->value] = $this->allPlatforms[$platform->toServiceTagName()];
+            }
+        }
+        $this->enabledPlatforms = $tmp;
+    }
+
+    public function getPlatform(AIPlatforms $platform): PlatformInterface
+    {
+        if (!isset($this->enabledPlatforms[$platform->value])) {
+            throw new \InvalidArgumentException(sprintf('AI platform "%s" is not active or does not exist.', $platform->name));
+        }
+
+        return $this->enabledPlatforms[$platform->value];
+    }
+
+    /**
+     * Check if the given platform is active (i.e. it is registered and its settings are properly configured)
+     * @param  AIPlatforms  $platform
+     * @return bool
+     */
+    public function isEnabled(AIPlatforms $platform): bool
+    {
+        return isset($this->enabledPlatforms[$platform->value]);
+    }
+
+    /**
+     * Returns an array of all active platforms, indexed by their AIPlatforms enum value (e.g. AIPlatforms::OPENROUTER->value)
+     * @return PlatformInterface[]
+     */
+    public function getEnabledPlatforms(): array
+    {
+        return $this->enabledPlatforms;
+    }
+}

src/Services/AI/AIPlatformSettingsInterface.php

@@ -0,0 +1,33 @@
+<?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\AI;
+
+interface AIPlatformSettingsInterface
+{
+    /**
+     * Returns true, if the AI platform is enabled in the settings and can be used, false otherwise.
+     * @return bool
+     */
+    public function isAIPlatformEnabled(): bool;
+}

src/Services/AI/AIPlatforms.php

@@ -0,0 +1,57 @@
+<?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\AI;
+
+use App\Settings\AISettings\LMStudioSettings;
+use App\Settings\AISettings\OpenRouterSettings;
+
+enum AIPlatforms: string
+{
+    case OPENROUTER = 'openrouter';
+    case LMSTUDIO = 'lmstudio';
+
+    /**
+     * Returns the name attribute of the service tag for this platform, which is used to register the platform in the AIPlatformRegistry
+     * @return string
+     */
+    public function toServiceTagName(): string
+    {
+        return $this->value;
+    }
+
+    /**
+     * Returns the class name of the settings class for this platform, which implements AIPlatformSettingsInterface
+     * @return string
+     * @phpstan-return class-string<AIPlatformSettingsInterface>
+     */
+    public function toSettingsClass(): string
+    {
+        return match ($this) {
+            self::LMSTUDIO => LMStudioSettings::class,
+            self::OPENROUTER => OpenRouterSettings::class,
+
+            default => throw new \InvalidArgumentException(sprintf('No settings class defined for AI platform "%s".', $this->name)),
+        };
+    }
+}