move controller service logics into a service

src/Service/Admin/ModelGenerationConfigAdminService.php

@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Admin;
+
+use App\Entity\ModelGenerationConfig;
+use App\Knowledge\Retrieval\NdjsonHybridRetriever;
+use App\Repository\ModelGenerationConfigRepository;
+use App\Service\ModelGenerationConfigManager;
+use Doctrine\ORM\EntityManagerInterface;
+
+final class ModelGenerationConfigAdminService
+{
+    public function __construct(
+        private readonly ModelGenerationConfigRepository $repository,
+        private readonly EntityManagerInterface $em,
+        private readonly ModelGenerationConfigManager $manager,
+        private readonly NdjsonHybridRetriever $retriever,
+    ) {}
+
+    public function list(): array
+    {
+        return $this->repository->findBy(
+            [],
+            ['active' => 'DESC', 'modelName' => 'ASC', 'version' => 'DESC']
+        );
+    }
+
+    public function create(array $data): ModelGenerationConfig
+    {
+        $modelName = $this->requireString($data['model_name'] ?? null, 'model_name');
+
+        $version = $this->repository->findNextVersion($modelName);
+
+        $config = new ModelGenerationConfig(
+            modelName: $modelName,
+            version: $version,
+            stream: (bool)($data['stream'] ?? false),
+            temperature: (float)($data['temperature'] ?? 0.7),
+            topK: (int)($data['top_k'] ?? 40),
+            topP: (float)($data['top_p'] ?? 0.9),
+            repeatPenalty: (float)($data['repeat_penalty'] ?? 1.1),
+            numCtx: (int)($data['num_ctx'] ?? 4096),
+            active: false,
+            retrievalMaxChunks: (int)($data['retrieval_max_chunks'] ?? 25),
+            retrievalVectorTopK: (int)($data['retrieval_vector_top_k'] ?? 25),
+        );
+
+        $this->em->persist($config);
+        $this->em->flush();
+
+        return $config;
+    }
+
+    public function activate(ModelGenerationConfig $config): void
+    {
+        $this->manager->activate($config);
+    }
+
+    public function delete(ModelGenerationConfig $config): void
+    {
+        if ($config->isActive()) {
+            throw new \RuntimeException('Aktive Konfiguration kann nicht gelöscht werden.');
+        }
+
+        $this->em->remove($config);
+        $this->em->flush();
+    }
+
+    public function testRetrieval(ModelGenerationConfig $config, string $prompt): array
+    {
+        if (trim($prompt) === '') {
+            return [];
+        }
+
+        return $this->retriever->retrieveInternal($prompt, $config);
+    }
+
+    private function requireString(mixed $value, string $field): string
+    {
+        if (!is_string($value) || trim($value) === '') {
+            throw new \InvalidArgumentException("Invalid value for {$field}");
+        }
+        return trim($value);
+    }
+}