vendor/sylius/sylius/src/Sylius/Bundle/CoreBundle/EventListener/ChannelDeletionListener.php line 30

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  1. <?php
  3. /*
  4.  * This file is part of the Sylius package.
  5.  *
  6.  * (c) Paweł Jędrzejewski
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. declare(strict_types=1);
  14. namespace Sylius\Bundle\CoreBundle\EventListener;
  16. use Sylius\Bundle\ResourceBundle\Event\ResourceControllerEvent;
  17. use Sylius\Component\Channel\Model\ChannelInterface;
  18. use Sylius\Component\Channel\Repository\ChannelRepositoryInterface;
  19. use Sylius\Component\Resource\Exception\UnexpectedTypeException;
  21. final class ChannelDeletionListener
  22. {
  23.     public function __construct(private ChannelRepositoryInterface $channelRepository)
  24.     {
  25.     }
  27.     /**
  28.      * Prevent channel deletion if no more channels enabled.
  29.      */
  30.     public function onChannelPreDelete(ResourceControllerEvent $event): void
  31.     {
  32.         $channel = $event->getSubject();
  34.         if (!$channel instanceof ChannelInterface) {
  35.             throw new UnexpectedTypeException(
  36.                 $channel,
  37.                 ChannelInterface::class,
  38.             );
  39.         }
  41.         $results = $this->channelRepository->findBy(['enabled' => true]);
  43.         if (!$results || (count($results) === 1 && current($results) === $channel)) {
  44.             $event->stop('sylius.channel.delete_error');
  45.         }
  46.     }
  47. }