TMV\Laminas\Messenger\Bridge\Doctrine\Middleware\DoctrineTransactionMiddleware

Complexity

Total Complexity

5

Size/Duplication

Total Lines	28
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	handleForManager()	0	26	5

<?php

declare(strict_types=1);

namespace TMV\Laminas\Messenger\Bridge\Doctrine\Middleware;

use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Exception\HandlerFailedException;
use Symfony\Component\Messenger\Middleware\StackInterface;
use Symfony\Component\Messenger\Stamp\HandledStamp;

/**
 * @final
 */
class DoctrineTransactionMiddleware extends AbstractDoctrineMiddleware
{
    protected function handleForManager(EntityManagerInterface $entityManager, Envelope $envelope, StackInterface $stack): Envelope
    {
        $entityManager->getConnection()->beginTransaction();

        $success = false;
        try {
            $envelope = $stack->next()->handle($envelope, $stack);
            $entityManager->flush();
            $entityManager->getConnection()->commit();

            $success = true;

            return $envelope;
        } catch (\Throwable $exception) {
            if ($exception instanceof HandlerFailedException) {
                // Remove all HandledStamp from the envelope so the retry will execute all handlers again.
                // When a handler fails, the queries of allegedly successful previous handlers just got rolled back.
                throw new HandlerFailedException($exception->getEnvelope()->withoutAll(HandledStamp::class), $exception->getNestedExceptions());
            }

            throw $exception;
        } finally {
            $connection = $entityManager->getConnection();

            if (! $success && $connection->isTransactionActive()) {
                $connection->rollBack();
            }
        }
    }
}