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<?php |
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namespace Bernard\Driver\NewMongoDB; |
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use MongoDB\Collection; |
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use MongoDB\BSON\UTCDateTime; |
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use MongoDB\BSON\ObjectID; |
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/** |
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* Driver supporting MongoDB. |
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*/ |
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final class Driver implements \Bernard\Driver |
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{ |
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private $messages; |
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private $queues; |
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/** |
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* @param MongoCollection $queues Collection where queues will be stored |
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* @param MongoCollection $messages Collection where messages will be stored |
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*/ |
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public function __construct(Collection $queues, Collection $messages) |
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{ |
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$this->queues = $queues; |
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$this->messages = $messages; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function listQueues() |
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{ |
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return $this->queues->distinct('_id'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createQueue($queueName) |
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{ |
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$data = ['_id' => (string) $queueName]; |
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$updateData = ['$set' => $data]; |
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$this->queues->updateOne($data, $updateData, ['upsert' => true]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function countMessages($queueName) |
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{ |
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return $this->messages->count([ |
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'queue' => (string) $queueName, |
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'visible' => true, |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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View Code Duplication |
public function pushMessage($queueName, $message) |
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{ |
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$data = [ |
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'queue' => (string) $queueName, |
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'message' => (string) $message, |
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'sentAt' => new UTCDateTime(), |
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'visible' => true, |
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]; |
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$this->messages->insertOne($data); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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View Code Duplication |
public function popMessage($queueName, $duration = 5) |
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{ |
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$runtime = microtime(true) + $duration; |
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while (microtime(true) < $runtime) { |
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$result = $this->messages->findOneAndUpdate( |
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['queue' => (string) $queueName, 'visible' => true], |
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['$set' => ['visible' => false]], |
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['sort' => ['sentAt' => 1], 'projection' => ['message' => 1]] |
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); |
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if ($result) { |
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return [(string) $result['message'], (string) $result['_id']]; |
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} |
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usleep(10000); |
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} |
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return [null, null]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function acknowledgeMessage($queueName, $receipt) |
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{ |
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$this->messages->deleteOne([ |
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'_id' => new ObjectId((string) $receipt), |
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'queue' => (string) $queueName, |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function peekQueue($queueName, $index = 0, $limit = 20) |
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{ |
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$query = ['queue' => (string) $queueName, 'visible' => true]; |
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$fields = ['_id' => 0, 'message' => 1]; |
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$results = $this->messages |
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->find( |
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$query, |
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[ |
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'projection' => $fields, |
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'sort' => ['sentAt' => 1], |
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'limit' => $limit, |
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'skip' => $index |
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] |
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) |
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->toArray(); |
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return array_map(function($result){return $result['message']; }, $results); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function removeQueue($queueName) |
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{ |
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$this->queues->deleteOne(['_id' => $queueName]); |
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$this->messages->deleteMany(['queue' => (string) $queueName]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function info() |
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{ |
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return [ |
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'messages' => (string) $this->messages, |
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'queues' => (string) $this->queues, |
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]; |
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} |
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} |
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bernardphp /
bernard
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.