69 lines
1.7 KiB
PHP
69 lines
1.7 KiB
PHP
<?php
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namespace RetailCrm\ServiceBundle\Messenger\Middleware;
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use Symfony\Component\Lock\LockFactory;
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use Symfony\Component\Messenger\Envelope;
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use Symfony\Component\Messenger\Middleware\MiddlewareInterface;
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use Symfony\Component\Messenger\Middleware\StackInterface;
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use Symfony\Component\Messenger\Stamp\ReceivedStamp;
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use Throwable;
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/**
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* Class LockableMessageMiddleware
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*
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* @package RetailCrm\ServiceBundle\Messenger\Middleware
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*/
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class LockableMessageMiddleware implements MiddlewareInterface
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{
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/**
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* @var LockFactory
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*/
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private $lockFactory;
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public function __construct(LockFactory $lockFactory)
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{
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$this->lockFactory = $lockFactory;
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}
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/**
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* @param Envelope $envelope
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* @param StackInterface $stack
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*
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* @return Envelope
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*
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* @throws Throwable
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*/
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public function handle(Envelope $envelope, StackInterface $stack): Envelope
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{
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$message = $envelope->getMessage();
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if ($envelope->all(ReceivedStamp::class) && $message instanceof LockableMessage) {
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$lock = $this->lockFactory->createLock($this->objectHash($message), null);
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if (!$lock->acquire()) {
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return $envelope;
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}
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try {
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return $stack->next()->handle($envelope, $stack);
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} catch (Throwable $exception) {
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throw $exception;
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} finally {
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$lock->release();
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}
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}
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return $stack->next()->handle($envelope, $stack);
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}
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/**
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* @param LockableMessage $message
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*
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* @return string
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*/
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private function objectHash(LockableMessage $message): string
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{
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return hash('crc32', serialize($message));
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}
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}
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