consumption_extension.md

Supporting Enqueue

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Consumption extension

Here, I show how you can create a custom extension and register it. Let's first create an extension itself:

<?php
// src/AppBundle/Enqueue;
namespace AppBundle\Enqueue;

use Enqueue\Consumption\PostMessageReceivedExtensionInterface;
use Enqueue\Consumption\Context\PostMessageReceived;

class CountProcessedMessagesExtension implements PostMessageReceivedExtensionInterface
{
    private $processedMessages = 0;
    
    public function onPostMessageReceived(PostMessageReceived $context): void
    {
        $this->processedMessages += 1;
    }
}

Now we have to register as a Symfony service with special tag:

services:
    app.enqueue.count_processed_messages_extension:
        class: 'AppBundle\Enqueue\CountProcessedMessagesExtension'
        tags:
            - { name: 'enqueue.consumption.extension', priority: 10 }

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