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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\AsynchronousOperations\Model;
use Magento\Framework\App\ResourceConnection;
use Psr\Log\LoggerInterface;
use Magento\Framework\MessageQueue\MessageLockException;
use Magento\Framework\MessageQueue\ConnectionLostException;
use Magento\Framework\Exception\NotFoundException;
use Magento\Framework\MessageQueue\CallbackInvoker;
use Magento\Framework\MessageQueue\ConsumerConfigurationInterface;
use Magento\Framework\MessageQueue\EnvelopeInterface;
use Magento\Framework\MessageQueue\QueueInterface;
use Magento\Framework\MessageQueue\LockInterface;
use Magento\Framework\MessageQueue\MessageController;
use Magento\Framework\MessageQueue\ConsumerInterface;
/**
* Class Consumer used to process OperationInterface messages.
*
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
*/
class MassConsumer implements ConsumerInterface
{
/**
* @var \Magento\Framework\MessageQueue\CallbackInvoker
*/
private $invoker;
/**
* @var \Magento\Framework\App\ResourceConnection
*/
private $resource;
/**
* @var \Magento\Framework\MessageQueue\ConsumerConfigurationInterface
*/
private $configuration;
/**
* @var \Magento\Framework\MessageQueue\MessageController
*/
private $messageController;
/**
* @var LoggerInterface
*/
private $logger;
/**
* @var OperationProcessor
*/
private $operationProcessor;
/**
* Initialize dependencies.
*
* @param CallbackInvoker $invoker
* @param ResourceConnection $resource
* @param MessageController $messageController
* @param ConsumerConfigurationInterface $configuration
* @param OperationProcessorFactory $operationProcessorFactory
* @param LoggerInterface $logger
*/
public function __construct(
CallbackInvoker $invoker,
ResourceConnection $resource,
MessageController $messageController,
ConsumerConfigurationInterface $configuration,
OperationProcessorFactory $operationProcessorFactory,
LoggerInterface $logger
) {
$this->invoker = $invoker;
$this->resource = $resource;
$this->messageController = $messageController;
$this->configuration = $configuration;
$this->operationProcessor = $operationProcessorFactory->create([
'configuration' => $configuration
]);
$this->logger = $logger;
}
/**
* {@inheritdoc}
*/
public function process($maxNumberOfMessages = null)
{
$queue = $this->configuration->getQueue();
if (!isset($maxNumberOfMessages)) {
$queue->subscribe($this->getTransactionCallback($queue));
} else {
$this->invoker->invoke($queue, $maxNumberOfMessages, $this->getTransactionCallback($queue));
}
}
/**
* Get transaction callback. This handles the case of async.
*
* @param QueueInterface $queue
* @return \Closure
*/
private function getTransactionCallback(QueueInterface $queue)
{
return function (EnvelopeInterface $message) use ($queue) {
/** @var LockInterface $lock */
$lock = null;
try {
$topicName = $message->getProperties()['topic_name'];
$lock = $this->messageController->lock($message, $this->configuration->getConsumerName());
$allowedTopics = $this->configuration->getTopicNames();
if (in_array($topicName, $allowedTopics)) {
$this->operationProcessor->process($message->getBody());
} else {
$queue->reject($message);
return;
}
$queue->acknowledge($message);
} catch (MessageLockException $exception) {
$queue->acknowledge($message);
} catch (ConnectionLostException $e) {
if ($lock) {
$this->resource->getConnection()
->delete($this->resource->getTableName('queue_lock'), ['id = ?' => $lock->getId()]);
}
} catch (NotFoundException $e) {
$queue->acknowledge($message);
$this->logger->warning($e->getMessage());
} catch (\Exception $e) {
$queue->reject($message, false, $e->getMessage());
if ($lock) {
$this->resource->getConnection()
->delete($this->resource->getTableName('queue_lock'), ['id = ?' => $lock->getId()]);
}
}
};
}
}