add email signup flow

backend/app/Email/EmailConfirmationToken/EloquentEmailConfirmationTokenRepository.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace App\Email\EmailConfirmationToken;
+
+use App\User\User;
+use App\User\UserRepository;
+use DomainException;
+
+class EloquentEmailConfirmationTokenRepository implements
+    EmailConfirmationTokenRepository
+{
+    public function __construct(
+        private UserRepository $userRepository,
+    ) {}
+
+    public function create(
+        CreateEmailConfirmationTokenDto $dto,
+    ): EmailConfirmationToken {
+        $model = EmailConfirmationTokenModel::create([
+            'user_id' => $dto->user->getId(),
+            'token' => $dto->token,
+            'available_to' => $dto->availableTo,
+        ]);
+
+        return $this->toDomain($model);
+    }
+
+    public function findByToken(string $token): ?EmailConfirmationToken
+    {
+        $model = EmailConfirmationTokenModel::query()
+            ->where('token', $token)
+            ->first();
+
+        return $model === null ? null : $this->toDomain($model);
+    }
+
+    public function findByUser(User $user): ?EmailConfirmationToken
+    {
+        $model = EmailConfirmationTokenModel::query()
+            ->where('user_id', $user->getId())
+            ->first();
+
+        return $model === null ? null : $this->toDomain($model);
+    }
+
+    public function delete(int $id): void
+    {
+        EmailConfirmationTokenModel::where('id', $id)->delete();
+    }
+
+    private function toDomain(
+        EmailConfirmationTokenModel $model,
+    ): EmailConfirmationToken {
+        $user = $this->userRepository->find($model->user_id);
+        if ($user === null) {
+            throw new DomainException(
+                "User with id {$model->user_id} not found",
+            );
+        }
+
+        return new EmailConfirmationToken(
+            id: $model->id,
+            user: $user,
+            availableTo: $model->available_to,
+            token: $model->token,
+        );
+    }
+}