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Publish stored events in Identity to RabbitMq #14
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| services: | ||
|
|
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| identity.publish-stored-events-to-rabbit-mq-command: | ||
| class: Gambling\Identity\Port\Adapter\Console\PublishStoredEventsToRabbitMqCommand | ||
| public: false | ||
| arguments: | ||
| - '@identity.event-store' | ||
| - '@identity.predis' | ||
| - '@identity.message-broker' | ||
| tags: | ||
| - { name: console.command } |
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98 changes: 98 additions & 0 deletions
98
code/src/Identity/Port/Adapter/Console/PublishStoredEventsToRabbitMqCommand.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| <?php | ||
| declare(strict_types=1); | ||
|
|
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| namespace Gambling\Identity\Port\Adapter\Console; | ||
|
|
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| use Gambling\Common\EventStore\ConsistentOrderEventStore; | ||
| use Gambling\Common\EventStore\EventStore; | ||
| use Gambling\Common\EventStore\FollowEventStoreDispatcher; | ||
| use Gambling\Common\EventStore\InMemoryCacheEventStorePointer; | ||
| use Gambling\Common\EventStore\StoredEventPublisher; | ||
| use Gambling\Common\EventStore\ThrottlingEventStore; | ||
| use Gambling\Common\MessageBroker\MessageBroker; | ||
| use Gambling\Common\Port\Adapter\EventStore\PredisEventStorePointer; | ||
| use Gambling\Common\Port\Adapter\EventStore\Subscriber\SymfonyConsoleDebugSubscriber; | ||
| use Gambling\Identity\Port\Adapter\Messaging\PublishStoredEventsToRabbitMqSubscriber; | ||
| use Predis\Client; | ||
| use Symfony\Component\Console\Command\Command; | ||
| use Symfony\Component\Console\Input\InputInterface; | ||
| use Symfony\Component\Console\Output\OutputInterface; | ||
|
|
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| final class PublishStoredEventsToRabbitMqCommand extends Command | ||
| { | ||
| /** | ||
| * @var EventStore | ||
| */ | ||
| private $eventStore; | ||
|
|
||
| /** | ||
| * @var Client | ||
| */ | ||
| private $predis; | ||
|
|
||
| /** | ||
| * @var MessageBroker | ||
| */ | ||
| private $messageBroker; | ||
|
|
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| /** | ||
| * PublishStoredEventsToRabbitMqCommand constructor. | ||
| * | ||
| * @param EventStore $eventStore | ||
| * @param Client $predis | ||
| * @param MessageBroker $messageBroker | ||
| */ | ||
| public function __construct(EventStore $eventStore, Client $predis, MessageBroker $messageBroker) | ||
| { | ||
| parent::__construct(); | ||
|
|
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| $this->eventStore = $eventStore; | ||
| $this->predis = $predis; | ||
| $this->messageBroker = $messageBroker; | ||
| } | ||
|
|
||
| /** | ||
| * @inheritdoc | ||
| */ | ||
| protected function configure() | ||
| { | ||
| $this | ||
| ->setName('identity:publish-stored-events-to-rabbit-mq'); | ||
| } | ||
|
|
||
| /** | ||
| * @inheritdoc | ||
| */ | ||
| protected function execute(InputInterface $input, OutputInterface $output) | ||
| { | ||
| // The creation of FollowEventStoreDispatcher could be done via container. | ||
| $debugSubscriber = new SymfonyConsoleDebugSubscriber($output); | ||
| $rabbitMqSubscriber = new PublishStoredEventsToRabbitMqSubscriber( | ||
| $this->messageBroker | ||
| ); | ||
|
|
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| $eventStorePointer = new InMemoryCacheEventStorePointer( | ||
| new PredisEventStorePointer( | ||
| $this->predis, | ||
| 'rabbit-mq-pointer' | ||
| ) | ||
| ); | ||
|
|
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| $storedEventPublisher = new StoredEventPublisher(); | ||
| $storedEventPublisher->subscribe($rabbitMqSubscriber); | ||
| $storedEventPublisher->subscribe($debugSubscriber); | ||
|
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| $followEventStoreDispatcher = new FollowEventStoreDispatcher( | ||
| $eventStorePointer, | ||
| new ThrottlingEventStore( | ||
| new ConsistentOrderEventStore($this->eventStore), | ||
| 100 | ||
| ), | ||
| $storedEventPublisher | ||
| ); | ||
|
|
||
| while (true) { | ||
| $followEventStoreDispatcher->dispatch(1000); | ||
| } | ||
| } | ||
| } |
52 changes: 52 additions & 0 deletions
52
code/src/Identity/Port/Adapter/Messaging/PublishStoredEventsToRabbitMqSubscriber.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| <?php | ||
| declare(strict_types=1); | ||
|
|
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| namespace Gambling\Identity\Port\Adapter\Messaging; | ||
|
|
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| use Gambling\Common\EventStore\StoredEvent; | ||
| use Gambling\Common\EventStore\StoredEventSubscriber; | ||
| use Gambling\Common\MessageBroker\MessageBroker; | ||
|
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| final class PublishStoredEventsToRabbitMqSubscriber implements StoredEventSubscriber | ||
| { | ||
| /** | ||
| * @var MessageBroker | ||
| */ | ||
| private $messageBroker; | ||
|
|
||
| /** | ||
| * PublishStoredEventsToRabbitMqSubscriber constructor. | ||
| * | ||
| * @param MessageBroker $messageBroker | ||
| */ | ||
| public function __construct(MessageBroker $messageBroker) | ||
| { | ||
| $this->messageBroker = $messageBroker; | ||
| } | ||
|
|
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function handle(StoredEvent $storedEvent): void | ||
| { | ||
| // We should definitely filter the events we are going to publish, | ||
| // since that belongs to our public interface for the other contexts. | ||
| // However, it's not done for simplicity in this sample project. | ||
| // We could | ||
| // * publish specific messages by name. | ||
| // * filter out specific properties in the payload. | ||
| // * translate when the properties for an event in the payload changed. | ||
| $this->messageBroker->publish( | ||
| $storedEvent->payload(), | ||
| 'Identity.' . $storedEvent->name() | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function isSubscribedTo(StoredEvent $storedEvent): bool | ||
| { | ||
| return true; | ||
| } | ||
| } |
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