<?php

/*
 * This file is part of the Sylius package.
 *
 * (c) Sylius Sp. z o.o.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Sylius\Bundle\UserBundle\Provider;

use Symfony\Component\Security\Core\User\UserInterface;
use Webmozart\Assert\Assert;

class UsernameProvider extends AbstractUserProvider
{
    protected function findUser(string $uniqueIdentifier): ?UserInterface
    {
        $user = $this->userRepository->findOneBy(['usernameCanonical' => $uniqueIdentifier]);
        Assert::nullOrIsInstanceOf($user, UserInterface::class);

        return $user;
    }
}
