/** * Handles SNS Notifications * * For Subscription notifications, this method will automatically confirm * the Subscription request * * For Message notifications, this method polls the queue and dispatches * the `{queue}.message_received` event for each message retrieved * * @param NotificationEvent $event The Notification Event * @param string $eventName Name of the event * @param EventDispatcherInterface $dispatcher * @return bool|void */ public function onNotification(NotificationEvent $event, $eventName, EventDispatcherInterface $dispatcher) { if (NotificationEvent::TYPE_SUBSCRIPTION == $event->getType()) { $topicArn = $event->getNotification()->getMetadata()->get('TopicArn'); $token = $event->getNotification()->getMetadata()->get('Token'); $this->sns->confirmSubscription(['TopicArn' => $topicArn, 'Token' => $token]); $context = ['TopicArn' => $topicArn]; $this->log(200, "Subscription to SNS Confirmed", $context); return; } $messages = $this->receive(); foreach ($messages as $message) { $messageEvent = new MessageEvent($this->name, $message); $dispatcher->dispatch(Events::Message($this->name), $messageEvent); } }