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

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)),
+        };
+    }
+}