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<?php |
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/* |
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* event-symfony-messenger (https://github.com/phpgears/event-symfony-messenger). |
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* Event bus with Symfony's Messenger. |
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* |
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* @license MIT |
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* @link https://github.com/phpgears/event-symfony-messenger |
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* @author Julián Gutiérrez <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Gears\Event\Symfony\Messenger; |
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use Gears\Event\Event; |
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use Gears\Event\EventHandler; |
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use Gears\Event\Exception\InvalidEventHandlerException; |
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use Psr\Container\ContainerInterface; |
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use Symfony\Component\Messenger\Envelope; |
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use Symfony\Component\Messenger\Handler\HandlerDescriptor; |
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class ContainerAwareEventHandlerLocator extends EventHandlerLocator |
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{ |
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/** |
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* PSR container. |
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* |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* ContainerAwareEventHandlerLocator constructor. |
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* |
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* @param ContainerInterface $container |
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* @param mixed[] $handlers |
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*/ |
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public function __construct(ContainerInterface $container, array $handlers) |
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{ |
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$this->container = $container; |
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parent::__construct($handlers); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws InvalidEventHandlerException |
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*/ |
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public function getHandlers(Envelope $envelope): iterable |
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{ |
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$seen = []; |
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foreach ($this->getEventMap($envelope) as $type) { |
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foreach ($this->handlersMap[$type] ?? [] as $alias => $handler) { |
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$handler = $this->container->get($handler); |
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if (!$handler instanceof EventHandler) { |
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throw new InvalidEventHandlerException(\sprintf( |
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'Event handler must implement %s interface, %s given', |
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EventHandler::class, |
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\is_object($handler) ? \get_class($handler) : \gettype($handler) |
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)); |
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} |
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$handlerCallable = function (Event $event) use ($handler): void { |
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$handler->handle($event); |
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}; |
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if (!\in_array($handlerCallable, $seen, true)) { |
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$seen[] = $handlerCallable; |
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yield $alias => new HandlerDescriptor($handlerCallable); |
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} |
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} |
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} |
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} |
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} |
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phpgears /
event-symfony-messenger
