<?php declare(strict_types=1);
namespace Shopware\Core\Framework\Event;
use Psr\EventDispatcher\StoppableEventInterface;
use Shopware\Core\Framework\Context;
use Shopware\Core\Framework\DataAbstractionLayer\DefinitionInstanceRegistry;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
use Shopware\Core\Framework\Event\EventAction\EventActionCollection;
use Shopware\Core\Framework\Event\EventAction\EventActionDefinition;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class BusinessEventDispatcher implements EventDispatcherInterface
{
/**
* @var EventDispatcherInterface
*/
private $dispatcher;
/**
* @var EventActionDefinition
*/
private $eventActionDefinition;
/**
* @var DefinitionInstanceRegistry
*/
private $definitionRegistry;
public function __construct(
EventDispatcherInterface $dispatcher,
DefinitionInstanceRegistry $definitionRegistry,
EventActionDefinition $eventActionDefinition
) {
$this->dispatcher = $dispatcher;
$this->eventActionDefinition = $eventActionDefinition;
$this->definitionRegistry = $definitionRegistry;
}
public function dispatch($event, ?string $eventName = null): object
{
$event = $this->dispatcher->dispatch($event, $eventName);
if (!$event instanceof BusinessEventInterface) {
return $event;
}
if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
return $event;
}
$this->callActions($event);
return $event;
}
public function addListener($eventName, $listener, $priority = 0): void
{
$this->dispatcher->addListener($eventName, $listener, $priority);
}
public function addSubscriber(EventSubscriberInterface $subscriber): void
{
$this->dispatcher->addSubscriber($subscriber);
}
public function removeListener($eventName, $listener): void
{
$this->dispatcher->removeListener($eventName, $listener);
}
public function removeSubscriber(EventSubscriberInterface $subscriber): void
{
$this->dispatcher->removeSubscriber($subscriber);
}
public function getListeners($eventName = null): array
{
return $this->dispatcher->getListeners($eventName);
}
public function getListenerPriority($eventName, $listener): ?int
{
return $this->dispatcher->getListenerPriority($eventName, $listener);
}
public function hasListeners($eventName = null): bool
{
return $this->dispatcher->hasListeners($eventName);
}
private function getActions(string $eventName, Context $context): EventActionCollection
{
$criteria = new Criteria();
$criteria->addFilter(new EqualsFilter('event_action.eventName', $eventName));
/** @var EventActionCollection $events */
$events = $this->definitionRegistry
->getRepository($this->eventActionDefinition->getEntityName())
->search($criteria, $context)
->getEntities();
return $events;
}
private function callActions(BusinessEventInterface $event): void
{
$actions = $this->getActions($event->getName(), $event->getContext());
foreach ($actions as $action) {
$actionEvent = new BusinessEvent($action->getActionName(), $event, $action->getConfig());
$this->dispatcher->dispatch($actionEvent, $actionEvent->getActionName());
}
$globalEvent = new BusinessEvent(BusinessEvents::GLOBAL_EVENT, $event);
$this->dispatcher->dispatch($globalEvent, $globalEvent->getActionName());
}
}