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<?php |
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declare(strict_types=1); |
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namespace Setono\MessageSchedulerBundle\Dispatcher; |
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use Doctrine\Persistence\ManagerRegistry; |
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use Doctrine\Persistence\ObjectManager; |
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use LogicException; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use RuntimeException; |
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use function Safe\sprintf; |
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use Setono\MessageSchedulerBundle\Message\Command\DispatchScheduledMessage; |
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use Setono\MessageSchedulerBundle\Repository\ScheduledMessageRepositoryInterface; |
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use Setono\MessageSchedulerBundle\Workflow\ScheduledMessageWorkflow; |
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use Symfony\Component\Messenger\MessageBusInterface; |
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use Symfony\Component\Workflow\Registry; |
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use Symfony\Component\Workflow\Workflow; |
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final class Dispatcher implements DispatcherInterface, LoggerAwareInterface |
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{ |
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private ?ObjectManager $objectManager = null; |
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private LoggerInterface $logger; |
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private MessageBusInterface $commandBus; |
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private ScheduledMessageRepositoryInterface $scheduledMessageRepository; |
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private Registry $workflowRegistry; |
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private ManagerRegistry $managerRegistry; |
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public function __construct( |
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MessageBusInterface $commandBus, |
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ScheduledMessageRepositoryInterface $scheduledMessageRepository, |
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Registry $workflowRegistry, |
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ManagerRegistry $managerRegistry |
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) { |
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$this->logger = new NullLogger(); |
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$this->commandBus = $commandBus; |
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$this->scheduledMessageRepository = $scheduledMessageRepository; |
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$this->workflowRegistry = $workflowRegistry; |
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$this->managerRegistry = $managerRegistry; |
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} |
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public function dispatch(): void |
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{ |
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$messages = $this->scheduledMessageRepository->findDispatchable(); |
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if (count($messages) === 0) { |
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$this->logger->info('No scheduled message are eligible to be dispatched'); |
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return; |
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} |
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$workflow = $this->getWorkflow($messages); |
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$objectManager = $this->getObjectManager($messages); |
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foreach ($messages as $message) { |
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if (!$workflow->can($message, ScheduledMessageWorkflow::TRANSITION_DISPATCH)) { |
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$this->logger->info(sprintf( |
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'Scheduled message with id, %s, could not be dispatched because it was blocked in the transition', |
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$message->getId() |
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)); |
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continue; |
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} |
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$workflow->apply($message, ScheduledMessageWorkflow::TRANSITION_DISPATCH); |
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$objectManager->flush(); |
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$this->commandBus->dispatch(new DispatchScheduledMessage($message)); |
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$this->logger->info(sprintf('Dispatched scheduled message with id: %s', $message->getId())); |
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} |
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} |
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/** |
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* This method presumes that all the objects are of the same class |
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* therefore it returns the workflow for the first object |
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* |
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* @param object[] $objects |
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*/ |
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private function getWorkflow(array $objects): Workflow |
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{ |
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$obj = current($objects); |
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if (false === $obj) { |
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throw new LogicException('An empty array of objects were passed to this method'); |
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} |
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return $this->workflowRegistry->get($obj, ScheduledMessageWorkflow::NAME); |
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} |
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/** |
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* This method presumes that all the objects are of the same class |
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* therefore it returns the object manager for the first object's class |
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* |
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* @param object[] $objects |
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*/ |
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private function getObjectManager(array $objects): ObjectManager |
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{ |
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if (null === $this->objectManager) { |
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$obj = current($objects); |
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if (false === $obj) { |
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throw new LogicException('An empty array of objects were passed to this method'); |
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} |
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$class = get_class($obj); |
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$manager = $this->managerRegistry->getManagerForClass($class); |
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if (null === $manager) { |
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throw new RuntimeException(sprintf('No object manager associated with the class, %s', $class)); |
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} |
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$this->objectManager = $manager; |
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} |
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return $this->objectManager; |
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} |
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public function setLogger(LoggerInterface $logger): void |
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{ |
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$this->logger = $logger; |
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} |
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} |
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Setono /
MessageSchedulerBundle
