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<?php |
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/* |
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* This file is part of the Shared Kernel library. |
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* |
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* Copyright (c) 2016-present LIN3S <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace LIN3S\SharedKernel\Infrastructure\Application\Tactician\Middlewares; |
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use League\Tactician\Middleware; |
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use LIN3S\SharedKernel\Domain\Event\CollectInMemoryDomainEventsSubscriber; |
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use LIN3S\SharedKernel\Domain\Event\DomainEventPublisher; |
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use LIN3S\SharedKernel\Event\EventStore; |
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use LIN3S\SharedKernel\Event\StoredEvent; |
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use LIN3S\SharedKernel\Event\StreamName; |
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use LIN3S\SharedKernel\Event\StreamVersion; |
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/** |
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* @author Beñat Espiña <[email protected]> |
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*/ |
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class AppendDomainEventsToStoreMiddleware implements Middleware |
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{ |
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private $eventStore; |
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public function __construct(EventStore $eventStore) |
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{ |
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$this->eventStore = $eventStore; |
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} |
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public function execute($command, callable $next) |
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{ |
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$collectDomainEventsSubscriber = new CollectInMemoryDomainEventsSubscriber(); |
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DomainEventPublisher::instance()->subscribe($collectDomainEventsSubscriber); |
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$returnValue = $next($command); |
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$publishableEvents = $collectDomainEventsSubscriber->events(); |
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$storedEvents = []; |
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foreach ($publishableEvents as $publishableEvent) { |
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$storedEvents[] = new StoredEvent( |
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$publishableEvent->event(), |
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StreamName::from($publishableEvent->aggregateId(), $publishableEvent->name()), |
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$this->streamVersion() |
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); |
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} |
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$this->eventStore->append(...$storedEvents); |
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return $returnValue; |
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} |
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private function streamVersion() : StreamVersion |
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{ |
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return new StreamVersion(1); // TODO: This value is hardcoded for now. |
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} |
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} |
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LIN3S /
SharedKernel
