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<?php |
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namespace LeoCarmo\RedisQueue; |
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use LeoCarmo\RedisQueue\Exceptions\QueueWithoutConnectionException; |
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class Listener extends Queue |
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{ |
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/** |
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* @param string $queue |
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* @param string $worker |
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* |
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* @throws QueueWithoutConnectionException |
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*/ |
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public static function restoreMessagesFromProcessingQueue(string $queue, string $worker) |
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{ |
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self::moveMessages( |
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$queue, |
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self::getProcessingQueueName($queue, $worker), |
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$queue |
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); |
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} |
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/** |
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* @param string $queue |
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* @param string $worker |
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* @param int $quantity |
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* @param callable $callback |
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* |
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* @throws QueueWithoutConnectionException |
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*/ |
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public static function processMessages(string $queue, string $worker, int $quantity, callable $callback) |
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{ |
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if ($events = self::getMessagesFromQueue($queue, $worker, $quantity)) { |
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try { |
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$callback( |
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$quantity === 1 ? $events[0] : $events |
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); |
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self::removeMessagesFromQueue($queue, $worker, $events); |
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} catch (\Throwable $e) { |
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self::moveMessagesToDeadQueue($queue, $worker); |
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} |
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} |
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} |
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/** |
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* @param string $queue |
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* @param string $worker |
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* @param int $quantity |
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* @return array |
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* |
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* @throws QueueWithoutConnectionException |
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*/ |
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protected static function getMessagesFromQueue(string $queue, string $worker, int $quantity) |
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{ |
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$clientMulti = self::client($queue)->multi(); |
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for ($i = 0; $i < $quantity; $i++) { |
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$clientMulti->brpoplpush( |
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$queue, |
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self::getProcessingQueueName($queue, $worker), |
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0 |
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); |
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} |
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return array_filter( |
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$clientMulti->exec() |
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); |
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} |
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/** |
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* @param string $queue |
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* @param string $worker |
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* @param $events |
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* |
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* @throws QueueWithoutConnectionException |
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*/ |
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protected static function removeMessagesFromQueue(string $queue, string $worker, $events) |
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{ |
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$clientMulti = self::client($queue)->multi(); |
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foreach ($events as $value) { |
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$clientMulti->lRem( |
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self::getProcessingQueueName($queue, $worker), |
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$value, |
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1 |
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); |
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} |
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$clientMulti->exec(); |
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} |
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/** |
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* @param string $queue |
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* @param string $worker |
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* |
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* @throws QueueWithoutConnectionException |
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*/ |
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protected static function moveMessagesToDeadQueue(string $queue, string $worker) |
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{ |
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self::moveMessages( |
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$queue, |
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self::getProcessingQueueName($queue, $worker), |
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self::getDeadQueueName($queue) |
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); |
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} |
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} |
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leocarmo /
php-redis-queue
