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<?php |
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namespace pmill\RabbitRabbit; |
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use BadMethodCallException; |
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use pmill\RabbitRabbit\Conditions\ConditionInterface; |
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use pmill\RabbitRabbit\Exceptions\RabbitResponseException; |
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use RabbitMq\ManagementApi\Client as RabbitClient; |
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class ConsumerManager |
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{ |
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/** |
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* @var RabbitClient |
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*/ |
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protected $rabbitClient; |
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/** |
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* @var array |
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*/ |
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protected $rules = []; |
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/** |
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* ConsumerManager constructor. |
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* |
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* @param RabbitConfig $config |
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*/ |
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public function __construct(RabbitConfig $config = null) |
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{ |
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if ($config) { |
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$this->rabbitClient = new RabbitClient( |
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null, |
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$config->getBaseUrl(), |
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$config->getUsername(), |
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$config->getPassword() |
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); |
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} |
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} |
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/** |
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* @param RuleInterface $rule |
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* @param ConditionInterface $condition |
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*/ |
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public function addRule(RuleInterface $rule, ConditionInterface $condition): void |
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{ |
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$this->rules[] = [ |
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'rule' => $rule, |
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'condition' => $condition, |
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]; |
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} |
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/** |
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* @throws RabbitResponseException |
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*/ |
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public function run(): void |
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{ |
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if (!$this->rabbitClient) { |
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throw new BadMethodCallException('A rabbit client is required before running this method'); |
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} |
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$arrayCache = []; |
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foreach ($this->rules as $ruleData) { |
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/** @var RuleInterface $rule */ |
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$rule = $ruleData['rule']; |
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/** @var ConditionInterface $condition */ |
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$condition = $ruleData['condition']; |
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$readyMessageCount = $this->getQueueReadyMessagesCount( |
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$rule->getVHostName(), |
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$rule->getQueueName(), |
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$arrayCache |
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); |
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if ($condition->shouldRun($readyMessageCount)) { |
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$rule->run($readyMessageCount); |
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} |
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} |
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} |
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/** |
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* @param RabbitClient $rabbitClient |
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*/ |
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public function setRabbitClient(RabbitClient $rabbitClient): void |
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{ |
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$this->rabbitClient = $rabbitClient; |
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} |
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/** |
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* @param string $vhostName |
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* @param string $queueName |
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* @param array $arrayCache |
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* |
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* @return int |
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* @throws RabbitResponseException |
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*/ |
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protected function getQueueReadyMessagesCount($vhostName, $queueName, array &$arrayCache): int |
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{ |
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$cacheKey = $vhostName . '/' . $queueName; |
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if (!isset($arrayCache[$cacheKey])) { |
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$queueData = $this->rabbitClient->queues()->get($vhostName, $queueName); |
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if (isset($queueData['error']) && $queueData['error']) { |
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throw new RabbitResponseException($queueData); |
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} |
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$arrayCache[$cacheKey] = (int)$queueData['messages_ready']; |
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} |
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return $arrayCache[$cacheKey]; |
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} |
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} |
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pmill /
rabbit-rabbit
