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<?php |
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namespace Cmp\Queues\Infrastructure\AmqpLib\v26\RabbitMQ\Queue; |
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use Cmp\Queues\Domain\Queue\Exception\WriterException; |
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use Cmp\Queues\Domain\Queue\Message; |
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use Cmp\Queues\Domain\Queue\QueueWriter as DomainQueueWriter; |
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use Cmp\Queues\Infrastructure\AmqpLib\v26\RabbitMQ\Queue\Config\ExchangeConfig; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Connection\AMQPLazyConnection; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use Psr\Log\LoggerInterface; |
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class QueueWriter implements DomainQueueWriter |
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{ |
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/** |
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* @var AMQPLazyConnection |
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*/ |
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protected $connection; |
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/** |
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* @var ExchangeConfig |
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*/ |
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protected $exchangeConfig; |
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/** |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var AMQPChannel |
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*/ |
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protected $channel; |
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/** |
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* @var DelayedQueueWriter[] |
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*/ |
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protected $delayedQueueWriterRegistry = []; |
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/** |
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* QueueWriter constructor. |
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* @param AMQPLazyConnection $connection |
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* @param ExchangeConfig $exchangeConfig |
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* @param LoggerInterface $logger |
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*/ |
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public function __construct( |
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AMQPLazyConnection $connection, |
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ExchangeConfig $exchangeConfig, |
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LoggerInterface $logger |
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) |
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{ |
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$this->connection = $connection; |
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$this->exchangeConfig = $exchangeConfig; |
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$this->logger = $logger; |
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} |
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/** |
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* @param Message[] $messages |
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* @throws WriterException |
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* @return null |
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*/ |
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public function write(array $messages) |
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{ |
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$this->initialize(); |
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try { |
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$messagesWithDelay = []; |
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foreach($messages as $message) { |
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if($message->getDelay() > 0) { |
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$messagesWithDelay[$message->getDelay()][] = $message; |
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continue; |
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} |
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$encodedMessage = json_encode($message); |
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$this->logger->debug('Writing:' . $encodedMessage); |
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$msg = new AMQPMessage($encodedMessage, array('delivery_mode' => 2)); |
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$this->channel->batch_basic_publish($msg, $this->exchangeConfig->getName(), $message->getName()); |
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} |
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$this->channel->publish_batch(); |
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foreach($messagesWithDelay as $delay => $delayedMessages) { |
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if(!isset($this->delayedQueueWriterRegistry[$delay])) { |
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$this->delayedQueueWriterRegistry[$delay] = new DelayedQueueWriter( |
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$this->exchangeConfig->getName(), |
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$delay, |
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$this->channel, |
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$this->logger |
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); |
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} |
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$this->delayedQueueWriterRegistry[$delay]->write($delayedMessages); |
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} |
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} catch(\Exception $exception) { |
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$this->logger->error('Error writing messages: '.$exception->getMessage()); |
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throw new WriterException($exception->getMessage(), $exception->getCode()); |
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} |
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} |
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/** |
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* @throws WriterException |
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*/ |
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protected function initialize() |
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{ |
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if($this->channel) { |
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return; |
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} |
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$this->logger->info('Connecting to RabbitMQ'); |
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try { |
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$this->channel = $this->connection->channel(); |
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$this->channel->exchange_declare( |
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$this->exchangeConfig->getName(), |
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$this->exchangeConfig->getType(), |
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$this->exchangeConfig->getPassive(), |
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$this->exchangeConfig->getDurable(), |
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$this->exchangeConfig->getAutoDelete() |
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); |
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} catch (\ErrorException $exception) { |
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$this->logger->error('Error trying to connect to rabbitMQ:' . $exception->getMessage()); |
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throw new WriterException($exception->getMessage(), $exception->getCode()); |
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} |
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} |
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} |
CMProductions /
queues
