Last active
          November 24, 2022 10:26 
        
      - 
      
- 
        Save pascualmg/f334591c20b76ccfa06126d9e626c97e to your computer and use it in GitHub Desktop. 
    MiddleWare HOC to drop messages with concrete conditions
  
        
  
    
      This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
      Learn more about bidirectional Unicode characters
    
  
  
    
  | <?php | |
| namespace PcComponentes\AfterSales\Infrastructure\MessagingMiddleware; | |
| use PcComponentes\Ddd\Util\Message\Message; | |
| use Symfony\Component\Messenger\Envelope; | |
| use Symfony\Component\Messenger\Middleware\MiddlewareInterface; | |
| use Symfony\Component\Messenger\Middleware\StackInterface; | |
| use Symfony\Component\Messenger\Transport\AmqpExt\AmqpReceivedStamp; | |
| use Throwable; | |
| class DropExceptionWhenMiddleware implements MiddlewareInterface | |
| { | |
| private $predicateHasToDrop; | |
| /** | |
| * @param callable|null $predicate | |
| * @example new DropExceptionWhenMiddleware(function (Message $message, Throwable $throwable) { return $Throwable instanceof UnrecoverableExceptionInterface ; }) | |
| */ | |
| public function __construct(callable $predicate) | |
| { | |
| $this->predicateHasToDrop = $predicate; | |
| } | |
| public function handle(Envelope $envelope, StackInterface $stack): Envelope | |
| { | |
| $isNotFromConsumer = static fn(Envelope $envelope) => $envelope->all(AmqpReceivedStamp::class) === []; | |
| $messageFromEnvelope = static fn(Envelope $envelope): Message => $envelope->getMessage(); | |
| if ($isNotFromConsumer($envelope)) { | |
| return $stack->next()->handle($envelope, $stack); | |
| } | |
| try { | |
| return $stack->next()->handle($envelope, $stack); | |
| } catch (Throwable $exception) { | |
| if (($this->predicateHasToDrop)( | |
| $messageFromEnvelope($envelope), | |
| $exception, | |
| )) { | |
| return $envelope; | |
| } | |
| throw $exception; | |
| } | |
| } | |
| } | 
  
    Sign up for free
    to join this conversation on GitHub.
    Already have an account?
    Sign in to comment
  
            
based on