vendor/symfony/messenger/EventListener/SendFailedMessageToFailureTransportListener.php line 39

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  1. <?php
  2. /*
  3.  * This file is part of the Symfony package.
  4.  *
  5.  * (c) Fabien Potencier <fabien@symfony.com>
  6.  *
  7.  * For the full copyright and license information, please view the LICENSE
  8.  * file that was distributed with this source code.
  9.  */
  11. namespace Symfony\Component\Messenger\EventListener;
  13. use Psr\Log\LoggerInterface;
  14. use Symfony\Component\ErrorHandler\Exception\FlattenException;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Component\Messenger\Event\WorkerMessageFailedEvent;
  17. use Symfony\Component\Messenger\Exception\HandlerFailedException;
  18. use Symfony\Component\Messenger\Stamp\DelayStamp;
  19. use Symfony\Component\Messenger\Stamp\RedeliveryStamp;
  20. use Symfony\Component\Messenger\Stamp\SentToFailureTransportStamp;
  21. use Symfony\Component\Messenger\Transport\Sender\SenderInterface;
  23. /**
  24.  * Sends a rejected message to a "failure transport".
  25.  *
  26.  * @author Ryan Weaver <ryan@symfonycasts.com>
  27.  */
  28. class SendFailedMessageToFailureTransportListener implements EventSubscriberInterface
  29. {
  30.     private $failureSender;
  31.     private $logger;
  33.     public function __construct(SenderInterface $failureSender, LoggerInterface $logger = null)
  34.     {
  35.         $this->failureSender = $failureSender;
  36.         $this->logger = $logger;
  37.     }
  39.     public function onMessageFailed(WorkerMessageFailedEvent $event)
  40.     {
  41.         if ($event->willRetry()) {
  42.             return;
  43.         }
  45.         $envelope = $event->getEnvelope();
  47.         // avoid re-sending to the failed sender
  48.         if (null !== $envelope->last(SentToFailureTransportStamp::class)) {
  49.             return;
  50.         }
  52.         $throwable = $event->getThrowable();
  53.         if ($throwable instanceof HandlerFailedException) {
  54.             $throwable = $throwable->getNestedExceptions()[0];
  55.         }
  57.         $flattenedException = class_exists(FlattenException::class) ? FlattenException::createFromThrowable($throwable) : null;
  58.         $envelope = $envelope->with(
  59.             new SentToFailureTransportStamp($event->getReceiverName()),
  60.             new DelayStamp(0),
  61.             new RedeliveryStamp(0, $throwable->getMessage(), $flattenedException)
  62.         );
  64.         if (null !== $this->logger) {
  65.             $this->logger->info('Rejected message {class} will be sent to the failure transport {transport}.', [
  66.                 'class' => \get_class($envelope->getMessage()),
  67.                 'transport' => \get_class($this->failureSender),
  68.             ]);
  69.         }
  71.         $this->failureSender->send($envelope);
  72.     }
  74.     public static function getSubscribedEvents()
  75.     {
  76.         return [
  77.             WorkerMessageFailedEvent::class => ['onMessageFailed', -100],
  78.         ];
  79.     }
  80. }