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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Queue\AMQP\Middleware; |
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use InvalidArgumentException; |
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use PhpAmqpLib\Exchange\AMQPExchangeType; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use Yiisoft\Queue\Adapter\AdapterInterface; |
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use Yiisoft\Queue\AMQP\Adapter; |
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use Yiisoft\Queue\AMQP\QueueProviderInterface; |
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use Yiisoft\Queue\AMQP\Settings\ExchangeSettingsInterface; |
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use Yiisoft\Queue\AMQP\Settings\QueueSettingsInterface; |
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use Yiisoft\Queue\Middleware\DelayMiddlewareInterface; |
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use Yiisoft\Queue\Middleware\MessageHandlerInterface; |
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use Yiisoft\Queue\Middleware\MiddlewareInterface; |
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use Yiisoft\Queue\Middleware\Request; |
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final class DelayMiddleware implements MiddlewareInterface, DelayMiddlewareInterface |
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{ |
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public function __construct( |
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private AdapterInterface $adapter, |
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private float $delayInSeconds, |
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private bool $forcePersistentMessages = true |
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) { |
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if (!$adapter instanceof Adapter) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'This middleware works only with the %s. %s given.', |
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Adapter::class, |
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get_debug_type($adapter) |
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) |
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); |
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} |
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} |
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/** |
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* @param float $seconds |
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* |
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* @return $this |
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*/ |
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public function withDelay(float $seconds): self |
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{ |
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$new = clone $this; |
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$new->delayInSeconds = $seconds; |
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return $new; |
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} |
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public function getDelay(): float |
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{ |
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return $this->delayInSeconds; |
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} |
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public function process(Request $request, MessageHandlerInterface $handler): Request |
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{ |
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$queueProvider = $this->adapter->getQueueProvider(); |
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$originalExchangeSettings = $queueProvider->getExchangeSettings(); |
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$delayedExchangeSettings = $this->getExchangeSettings($originalExchangeSettings); |
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$queueSettings = $this->getQueueSettings( |
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$queueProvider->getQueueSettings(), |
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$originalExchangeSettings |
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); |
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$adapter = $this->adapter->withQueueProvider( |
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$queueProvider |
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->withMessageProperties($this->getMessageProperties($queueProvider)) |
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->withExchangeSettings($delayedExchangeSettings) |
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->withQueueSettings($queueSettings) |
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); |
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return $handler->handle( |
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$request->withQueue( |
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$request->getQueue()->withAdapter($adapter) |
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) |
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); |
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} |
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/** |
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* @psalm-return array{expiration: int|float, delivery_mode?: int}&array |
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*/ |
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private function getMessageProperties(QueueProviderInterface $queueProvider): array |
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{ |
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$messageProperties = ['expiration' => $this->delayInSeconds * 1000]; |
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if ($this->forcePersistentMessages === true) { |
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$messageProperties['delivery_mode'] = AMQPMessage::DELIVERY_MODE_PERSISTENT; |
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} |
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return array_merge($queueProvider->getMessageProperties(), $messageProperties); |
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} |
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private function getQueueSettings( |
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QueueSettingsInterface $queueSettings, |
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?ExchangeSettingsInterface $exchangeSettings |
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): QueueSettingsInterface { |
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$deliveryTime = time() + $this->delayInSeconds; |
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return $queueSettings |
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->withName("{$queueSettings->getName()}.dlx.$deliveryTime") |
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->withAutoDeletable(true) |
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->withArguments( |
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[ |
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'x-dead-letter-exchange' => ['S', $exchangeSettings?->getName() ?? ''], |
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'x-expires' => ['I', $this->delayInSeconds * 1000 + 30000], |
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'x-message-ttl' => ['I', $this->delayInSeconds * 1000], |
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] |
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); |
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} |
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/** |
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* @see https://github.com/vimeo/psalm/issues/9454 |
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* |
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* @psalm-suppress LessSpecificReturnType |
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*/ |
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private function getExchangeSettings(?ExchangeSettingsInterface $exchangeSettings): ?ExchangeSettingsInterface |
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{ |
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/** @noinspection NullPointerExceptionInspection */ |
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return $exchangeSettings |
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?->withName("{$exchangeSettings->getName()}.dlx") |
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->withAutoDelete(false) |
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->withType(AMQPExchangeType::TOPIC); |
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} |
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} |
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yiisoft /
queue-amqp
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