WIP: Implement CRUD, improve menu configuration

src/Controller/Admin/System/Training/DeleteController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Controller\Admin\System\Training;
+
+use App\Entity\Training;
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+class DeleteController extends AbstractController
+{
+    public function __construct(
+        private readonly EntityManagerInterface $entityManager,
+        private readonly LoggerInterface $logger
+    ) {
+    }
+
+    #[Route('/admin/system/training/delete/{id}', name: 'app_admin_system_training_delete', methods: ['POST'])]
+    #[IsGranted('ROLE_ADMIN')]
+    public function index(Training $training): Response
+    {
+        $this->entityManager->remove($training);
+        $this->entityManager->flush();
+
+        $this->addFlash('success', 'Die Fortbildung wurde gelöscht');
+        $this->logger->info('Delete training', [
+            'training' => $training->getName(),
+        ]);
+
+        return $this->redirectToRoute('app_admin_system_training_index');
+    }
+}