add EmailConfirmationToken persistence: model, migration, eloquent + fake repo

backend/tests/Fakes/FakeEmailConfirmationTokenRepository.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace Tests\Fakes;
+
+use App\Email\EmailConfirmationToken\CreateEmailConfirmationTokenDto;
+use App\Email\EmailConfirmationToken\EmailConfirmationToken;
+use App\Email\EmailConfirmationToken\EmailConfirmationTokenRepository;
+use App\User\User;
+use App\User\UserRepository;
+
+class FakeEmailConfirmationTokenRepository implements EmailConfirmationTokenRepository
+{
+    /**
+     * @var EmailConfirmationToken[]
+     */
+    private array $existingTokens = [];
+
+    public function __construct(
+        private UserRepository $userRepo,
+    ) {}
+
+    public function create(
+        CreateEmailConfirmationTokenDto $dto,
+    ): EmailConfirmationToken {
+        $id = $this->nextId();
+        $token = new EmailConfirmationToken(
+            id: $id,
+            user: $dto->user,
+            availableTo: $dto->availableTo,
+            token: bin2hex(random_bytes(32)),
+        );
+        $this->existingTokens[$id] = $token;
+
+        return $this->copy($token);
+    }
+
+    public function findByToken(string $token): ?EmailConfirmationToken
+    {
+        foreach ($this->existingTokens as $existing) {
+            if ($existing->getToken() === $token) {
+                return $this->copy($existing);
+            }
+        }
+
+        return null;
+    }
+
+    public function findByUser(User $user): ?EmailConfirmationToken
+    {
+        foreach ($this->existingTokens as $existing) {
+            if ($existing->getUser()->getId() === $user->getId()) {
+                return $this->copy($existing);
+            }
+        }
+
+        return null;
+    }
+
+    public function delete(int $id): void
+    {
+        unset($this->existingTokens[$id]);
+    }
+
+    private function copy(
+        EmailConfirmationToken $token,
+    ): EmailConfirmationToken {
+        $user = $this->userRepo->find($token->getUser()->getId())
+            ?? $token->getUser();
+
+        return new EmailConfirmationToken(
+            id: $token->getId(),
+            user: $user,
+            availableTo: $token->getAvailableTo(),
+            token: $token->getToken(),
+        );
+    }
+
+    private function nextId(): int
+    {
+        return count($this->existingTokens) + 1;
+    }
+}