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1<?php
2
3namespace App\Auth\Domain\Service;
4
5use App\Auth\Domain\Model\Identity;
6use App\Auth\Domain\Port\Driven\EmailAvailabilityChecker;
7use App\Auth\Domain\Port\Driven\IdentityAvailabilityChecker;
8use App\Auth\Domain\Port\Driven\PasswordHasher;
9use App\Shared\Domain\Exception\EntityAlreadyExistsException;
10use App\Shared\Domain\Model\EntityId;
11
12readonly class DefaultIdentityService implements IdentityService
13{
14    public function __construct(
15        private PasswordHasher $passwordHasher,
16        private IdentityAvailabilityChecker $identityAvailabilityChecker,
17        private EmailAvailabilityChecker $emailAvailabilityChecker
18    ) {
19    }
20
21    public function createIdentity(string $email, string $username, string $password): ?Identity
22    {
23        if (!$this->identityAvailabilityChecker->isIdentityAvailable($email, $username)) {
24            throw new EntityAlreadyExistsException('Identity already exists');
25        }
26        return Identity::create(EntityId::generate(), $email, $username, $this->passwordHasher->hash($password));
27    }
28
29    public function changeEmail(Identity $identity, string $email): Identity
30    {
31        if ($identity->getEmail() === $email) {
32            return $identity;
33        }
34
35        if (!$this->emailAvailabilityChecker->isEmailAvailable($email)) {
36            throw new EntityAlreadyExistsException('Email is taken');
37        }
38
39        return $identity->changeEmail($email);
40    }
41
42    public function complete(Identity $identity): Identity
43    {
44        if ($identity->isComplete()) {
45            return $identity;
46        }
47
48        return $identity->complete();
49    }
50}