init

src/Controller/HomeController.php

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+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class HomeController extends AbstractController
+{
+    #[Route('/', name: 'app_home')]
+    public function index(): Response
+    {
+        return $this->render('home/index.html.twig', [
+            'controller_name' => 'HomeController',
+        ]);
+    }
+}

src/Entity/User.php

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+<?php
+
+namespace App\Entity;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\Post;
+use ApiPlatform\Metadata\Put;
+use ApiPlatform\Metadata\Delete;
+use App\Enum\UserRole;
+use App\Repository\UserRepository;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
+
+#[ORM\Entity(repositoryClass: UserRepository::class)]
+#[ORM\Table(name: 'users')]
+#[ApiResource(
+    operations: [
+        new Get(),
+        new GetCollection(),
+        new Post(),
+        new Put(),
+        new Delete()
+    ]
+)]
+class User
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: 'integer')]
+    private ?int $id = null;
+
+    #[ORM\Column(type: 'string', length: 255)]
+    #[Assert\NotBlank]
+    #[Assert\Length(min: 2, max: 255)]
+    private string $name;
+
+    #[ORM\Column(type: 'string', length: 255, unique: true)]
+    #[Assert\NotBlank]
+    #[Assert\Email]
+    private string $email;
+
+    #[ORM\Column(type: 'string', enumType: UserRole::class)]
+    private UserRole $role;
+
+    #[ORM\Column(type: 'datetime')]
+    private \DateTimeInterface $createdAt;
+
+    public function __construct()
+    {
+        $this->createdAt = new \DateTime();
+        $this->role = UserRole::USER;
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): self
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+    public function setEmail(string $email): self
+    {
+        $this->email = $email;
+        return $this;
+    }
+
+    public function getRole(): UserRole
+    {
+        return $this->role;
+    }
+
+    public function setRole(UserRole $role): self
+    {
+        $this->role = $role;
+        return $this;
+    }
+
+    public function getCreatedAt(): \DateTimeInterface
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(\DateTimeInterface $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+        return $this;
+    }
+}

src/Enum/UserRole.php

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+<?php
+
+namespace App\Enum;
+
+enum UserRole: string
+{
+    case USER = 'user';
+    case ADMIN = 'admin';
+    case MODERATOR = 'moderator';
+
+    public function getLabel(): string
+    {
+        return match($this) {
+            self::USER => 'Benutzer',
+            self::ADMIN => 'Administrator',
+            self::MODERATOR => 'Moderator',
+        };
+    }
+}

src/Kernel.php

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+<?php
+
+namespace App;
+
+use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
+use Symfony\Component\HttpKernel\Kernel as BaseKernel;
+
+class Kernel extends BaseKernel
+{
+    use MicroKernelTrait;
+}

src/Repository/UserRepository.php

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+<?php
+
+namespace App\Repository;
+
+use App\Entity\User;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @extends ServiceEntityRepository<User>
+ */
+class UserRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, User::class);
+    }
+
+    /**
+     * Find users by role
+     */
+    public function findByRole(string $role): array
+    {
+        return $this->createQueryBuilder('u')
+            ->andWhere('u.role = :role')
+            ->setParameter('role', $role)
+            ->orderBy('u.createdAt', 'DESC')
+            ->getQuery()
+            ->getResult();
+    }
+
+    /**
+     * Find user by email
+     */
+    public function findOneByEmail(string $email): ?User
+    {
+        return $this->createQueryBuilder('u')
+            ->andWhere('u.email = :email')
+            ->setParameter('email', $email)
+            ->getQuery()
+            ->getOneOrNullResult();
+    }
+}