zxcms/core/services/auth/AuthService.php

<?php

namespace core\services\auth;

use core\entities\user\User;
use core\forms\auth\LoginForm;
use core\repositories\user\UserRepository;
use Yii;

class AuthService
{
    private $users;

    public function __construct(UserRepository $users)
    {
        $this->users = $users;
    }

    public function auth(LoginForm $form): User
    {
        $user = $this->users->findByUsernameOrEmail($form->username);
        if (!$user || !$user->isActive() || !$user->validatePassword($form->password)) {
            throw new \DomainException(Yii::t('user', 'Undefined user or password.'));
        }
        return $user;
    }
}