<?php declare(strict_types=1);
namespace Shopware\Core\Content\Flow\Dispatching;
use Psr\EventDispatcher\StoppableEventInterface;
use Psr\Log\LoggerInterface;
use Shopware\Core\Content\Flow\Dispatching\Struct\Flow;
use Shopware\Core\Content\Flow\Exception\ExecuteSequenceException;
use Shopware\Core\Framework\Context;
use Shopware\Core\Framework\Event\BusinessEvent;
use Shopware\Core\Framework\Event\FlowEvent;
use Shopware\Core\Framework\Event\FlowEventAware;
use Shopware\Core\Framework\Event\FlowLogEvent;
use Shopware\Core\Framework\Feature;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* @internal not intended for decoration or replacement
*/
class FlowDispatcher implements EventDispatcherInterface
{
private EventDispatcherInterface $dispatcher;
private ContainerInterface $container;
private LoggerInterface $logger;
private FlowFactory $flowFactory;
public function __construct(EventDispatcherInterface $dispatcher, LoggerInterface $logger, FlowFactory $flowFactory)
{
$this->dispatcher = $dispatcher;
$this->logger = $logger;
$this->flowFactory = $flowFactory;
}
public function setContainer(ContainerInterface $container): void
{
$this->container = $container;
}
/**
* @template TEvent of object
*
* @param TEvent $event
*
* @return TEvent
*/
public function dispatch($event, ?string $eventName = null): object
{
$event = $this->dispatcher->dispatch($event, $eventName);
if (!$event instanceof FlowEventAware) {
return $event;
}
if (Feature::isActive('v6.5.0.0')) {
$flowLogEvent = new FlowLogEvent(FlowLogEvent::NAME, $event);
$this->dispatcher->dispatch($flowLogEvent, $flowLogEvent->getName());
}
if (Feature::isActive('FEATURE_NEXT_17858')) {
if ($event instanceof FlowEvent) {
return $event;
}
} else {
if ($event instanceof BusinessEvent || $event instanceof FlowEvent) {
return $event;
}
}
if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
return $event;
}
if ($event->getContext()->hasState(Context::SKIP_TRIGGER_FLOW)) {
return $event;
}
$storableFlow = $this->flowFactory->create($event);
/** @deprecated tag:v6.5.0 Will be removed */
if (!Feature::isActive('v6.5.0.0')) {
$storableFlow->setOriginalEvent($event);
}
$this->callFlowExecutor($storableFlow);
return $event;
}
/**
* @param string $eventName
* @param callable $listener
* @param int $priority
*/
public function addListener($eventName, $listener, $priority = 0): void
{
$this->dispatcher->addListener($eventName, $listener, $priority);
}
public function addSubscriber(EventSubscriberInterface $subscriber): void
{
$this->dispatcher->addSubscriber($subscriber);
}
/**
* @param string $eventName
* @param callable $listener
*/
public function removeListener($eventName, $listener): void
{
$this->dispatcher->removeListener($eventName, $listener);
}
public function removeSubscriber(EventSubscriberInterface $subscriber): void
{
$this->dispatcher->removeSubscriber($subscriber);
}
public function getListeners(?string $eventName = null): array
{
return $this->dispatcher->getListeners($eventName);
}
/**
* @param string $eventName
* @param callable $listener
*/
public function getListenerPriority($eventName, $listener): ?int
{
return $this->dispatcher->getListenerPriority($eventName, $listener);
}
public function hasListeners(?string $eventName = null): bool
{
return $this->dispatcher->hasListeners($eventName);
}
private function callFlowExecutor(StorableFlow $event): void
{
$flows = $this->getFlows($event->getName());
if (empty($flows)) {
return;
}
/** @var FlowExecutor|null $flowExecutor */
$flowExecutor = $this->container->get(FlowExecutor::class);
if ($flowExecutor === null) {
throw new ServiceNotFoundException(FlowExecutor::class);
}
foreach ($flows as $flowId => $flow) {
try {
/** @var Flow $payload */
$payload = $flow['payload'];
$flowExecutor->execute($payload, $event);
} catch (ExecuteSequenceException $e) {
$this->logger->error(
"Could not execute flow with error message:\n"
. 'Flow name: ' . $flow['name'] . "\n"
. 'Flow id: ' . $flowId . "\n"
. 'Sequence id: ' . $e->getSequenceId() . "\n"
. $e->getMessage() . "\n"
. 'Error Code: ' . $e->getCode() . "\n"
);
} catch (\Throwable $e) {
$this->logger->error(
"Could not execute flow with error message:\n"
. 'Flow name: ' . $flow['name'] . "\n"
. 'Flow id: ' . $flowId . "\n"
. $e->getMessage() . "\n"
. 'Error Code: ' . $e->getCode() . "\n"
);
}
}
}
/**
* @return array<string, mixed>
*/
private function getFlows(string $eventName): array
{
/** @var AbstractFlowLoader|null $flowLoader */
$flowLoader = $this->container->get(FlowLoader::class);
if ($flowLoader === null) {
throw new ServiceNotFoundException(FlowExecutor::class);
}
$flows = $flowLoader->load();
$result = [];
if (\array_key_exists($eventName, $flows)) {
$result = $flows[$eventName];
}
return $result;
}
}