move controller service logics into a service

src/Controller/Admin/SystemPromptController.php

@@ -5,8 +5,7 @@ declare(strict_types=1);
 namespace App\Controller\Admin;
 
 use App\Entity\SystemPrompt;
-use App\Repository\SystemPromptRepository;
-use Doctrine\ORM\EntityManagerInterface;
+use App\Service\Admin\SystemPromptAdminService;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -16,79 +15,62 @@ use Symfony\Component\Security\Http\Attribute\IsGranted;
 #[IsGranted('ROLE_SUPER_ADMIN')]
 final class SystemPromptController extends AbstractController
 {
-    #[Route('/admin/system/prompt', name: 'admin_system_prompt')]
+    #[Route('/admin/system/prompt', name: 'admin_system_prompt', methods: ['GET', 'POST'])]
     public function index(
         Request $request,
-        SystemPromptRepository $repo,
-        EntityManagerInterface $em
+        SystemPromptAdminService $svc
     ): Response {
 
         if ($request->isMethod('POST')) {
-            $content = trim($request->request->get('content', ''));
-            $comment = trim($request->request->get('comment', ''));
-
-            if ($content !== '') {
-
-                $active = $repo->findActive();
-                if ($active) {
-                    $active->deactivate();
-                }
-
-                $new = new SystemPrompt(
-                    version: $repo->getNextVersion(),
-                    content: $content,
-                    comment: $comment ?: null,
-                    active: true
+            try {
+                $svc->create(
+                    $request->request->get('content', ''),
+                    $request->request->get('comment')
                 );
 
-                $em->persist($new);
-                $em->flush();
-
                 $this->addFlash('success', 'Neue Version gespeichert.');
                 return $this->redirectToRoute('admin_system_prompt');
+
+            } catch (\Throwable $e) {
+                $this->addFlash('danger', $e->getMessage());
             }
         }
 
-        return $this->render('admin/system/prompt.html.twig', [
-            'active' => $repo->findActive(),
-            'all'    => $repo->findBy([], ['version' => 'DESC']),
-        ]);
+        return $this->render(
+            'admin/system/prompt.html.twig',
+            $svc->getIndexData()
+        );
     }
 
     #[Route('/admin/system/prompt/{id}/activate', name: 'admin_system_prompt_activate', methods: ['POST'])]
     public function activate(
         SystemPrompt $prompt,
-        SystemPromptRepository $repo,
-        EntityManagerInterface $em
+        SystemPromptAdminService $svc
     ): Response {
 
-        foreach ($repo->findBy(['active' => true]) as $p) {
-            $p->deactivate();
+        try {
+            $svc->activate($prompt);
+            $this->addFlash('success', 'Version aktiviert.');
+        } catch (\Throwable $e) {
+            $this->addFlash('danger', $e->getMessage());
         }
 
-        $prompt->activate();
-
-        $em->flush();
-
-        $this->addFlash('success', 'Version aktiviert.');
         return $this->redirectToRoute('admin_system_prompt');
     }
 
     #[Route('/admin/system/prompt/{id}/delete', name: 'admin_system_prompt_delete', methods: ['POST'])]
     public function delete(
         SystemPrompt $prompt,
-        EntityManagerInterface $em
+        SystemPromptAdminService $svc
     ): Response {
 
-        if ($prompt->isActive()) {
-            $this->addFlash('danger', 'Aktive Version kann nicht gelöscht werden.');
-            return $this->redirectToRoute('admin_system_prompt');
-        }
-
-        $em->remove($prompt);
-        $em->flush();
-
+        try {
+            $svc->delete($prompt);
             $this->addFlash('success', 'Version gelöscht.');
+        } catch (\Throwable $e) {
+            $this->addFlash('danger', $e->getMessage());
+        }
+
         return $this->redirectToRoute('admin_system_prompt');
     }
 }

src/Service/Admin/SystemPromptAdminService.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Admin;
+
+use App\Entity\SystemPrompt;
+use App\Repository\SystemPromptRepository;
+use Doctrine\ORM\EntityManagerInterface;
+
+final readonly class SystemPromptAdminService
+{
+    public function __construct(
+        private SystemPromptRepository $repo,
+        private EntityManagerInterface $em,
+    ) {}
+
+    /**
+     * @return array{
+     *   active:?SystemPrompt,
+     *   all:array
+     * }
+     */
+    public function getIndexData(): array
+    {
+        return [
+            'active' => $this->repo->findActive(),
+            'all'    => $this->repo->findBy([], ['version' => 'DESC']),
+        ];
+    }
+
+    public function create(string $content, ?string $comment): SystemPrompt
+    {
+        $content = trim($content);
+
+        if ($content === '') {
+            throw new \InvalidArgumentException('System Prompt darf nicht leer sein.');
+        }
+
+        // aktive Version deaktivieren
+        $active = $this->repo->findActive();
+        if ($active instanceof SystemPrompt) {
+            $active->deactivate();
+        }
+
+        $new = new SystemPrompt(
+            version: $this->repo->getNextVersion(),
+            content: $content,
+            comment: $comment ? trim($comment) : null,
+            active: true
+        );
+
+        $this->em->persist($new);
+        $this->em->flush();
+
+        return $new;
+    }
+
+    public function activate(SystemPrompt $prompt): void
+    {
+        // alle aktiven deaktivieren (sicherheitsrobust)
+        foreach ($this->repo->findBy(['active' => true]) as $p) {
+            $p->deactivate();
+        }
+
+        $prompt->activate();
+
+        $this->em->flush();
+    }
+
+    public function delete(SystemPrompt $prompt): void
+    {
+        if ($prompt->isActive()) {
+            throw new \RuntimeException('Aktive Version kann nicht gelöscht werden.');
+        }
+
+        $this->em->remove($prompt);
+        $this->em->flush();
+    }
+}