Added basic search system in info providers

src/Services/InfoProviderSystem/PartInfoRetriever.php

@@ -0,0 +1,60 @@
+<?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;
+
+use App\Services\InfoProviderSystem\DTOs\SearchResultDTO;
+use App\Services\InfoProviderSystem\Providers\InfoProviderInterface;
+
+class PartInfoRetriever
+{
+    public function __construct(private readonly ProviderRegistry $provider_registry)
+    {
+    }
+
+    /**
+     * Search for a keyword in the given providers
+     * @param  string[]|InfoProviderInterface[]  $providers A list of providers to search in, either as provider keys or as provider instances
+     * @param  string  $keyword The keyword to search for
+     * @return SearchResultDTO[] The search results
+     */
+    public function searchByKeyword(string $keyword, array $providers): array
+    {
+        $results = [];
+
+        foreach ($providers as $provider) {
+            if (is_string($provider)) {
+                $provider = $this->provider_registry->getProviderByKey($provider);
+            }
+
+            if (!$provider instanceof InfoProviderInterface) {
+                throw new \InvalidArgumentException("The provider must be either a provider key or a provider instance!");
+            }
+
+            /** @noinspection SlowArrayOperationsInLoopInspection */
+            $results = array_merge($results, $provider->searchByKeyword($keyword));
+        }
+
+        return $results;
+    }
+}

src/Services/InfoProviderSystem/Providers/TestProvider.php

@@ -43,7 +43,7 @@ class TestProvider implements InfoProviderInterface
 
     public function isActive(): bool
     {
-        return false;
+        return true;
     }
 
     public function searchByKeyword(string $keyword): array