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<?php |
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namespace MediaMonks\RestApi\EventSubscriber; |
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use MediaMonks\RestApi\Request\RequestMatcherInterface; |
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use MediaMonks\RestApi\Request\RequestTransformerInterface; |
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use MediaMonks\RestApi\Response\ResponseTransformerInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Symfony\Component\HttpKernel\Event\KernelEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class RestApiEventSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var RequestMatcherInterface |
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*/ |
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private $requestMatcher; |
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/** |
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* @var RequestTransformerInterface |
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*/ |
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private $requestTransformer; |
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/** |
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* @var ResponseTransformerInterface |
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*/ |
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private $responseTransformer; |
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/** |
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* @param RequestMatcherInterface $requestMatcher |
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* @param RequestTransformerInterface $requestTransformer |
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* @param ResponseTransformerInterface $responseTransformer |
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*/ |
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public function __construct( |
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RequestMatcherInterface $requestMatcher, |
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RequestTransformerInterface $requestTransformer, |
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ResponseTransformerInterface $responseTransformer |
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) { |
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$this->requestMatcher = $requestMatcher; |
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$this->requestTransformer = $requestTransformer; |
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$this->responseTransformer = $responseTransformer; |
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} |
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/** |
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* @return array |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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KernelEvents::REQUEST => [ |
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['onRequest', 512], |
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], |
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KernelEvents::EXCEPTION => [ |
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['onException', 512], |
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], |
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KernelEvents::VIEW => [ |
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['onView', 0], |
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], |
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KernelEvents::RESPONSE => [ |
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['onResponseEarly', 0], |
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['onResponseLate', -512], |
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], |
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]; |
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} |
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/** |
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* @param GetResponseEvent $event |
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*/ |
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public function onRequest(GetResponseEvent $event) |
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{ |
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if (!$this->eventRequestMatches($event)) { |
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return; |
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} |
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$this->requestTransformer->transform($event->getRequest()); |
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} |
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/** |
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* convert exception to rest api response |
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* |
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* @param GetResponseForExceptionEvent $event |
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*/ |
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public function onException(GetResponseForExceptionEvent $event) |
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{ |
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if (!$this->eventRequestMatches($event)) { |
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return; |
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} |
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$event->setResponse($this->responseTransformer->createResponseFromContent($event->getException())); |
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} |
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/** |
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* convert response to rest api response |
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* |
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* @param GetResponseForControllerResultEvent $event |
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*/ |
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public function onView(GetResponseForControllerResultEvent $event) |
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{ |
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if (!$this->eventRequestMatches($event)) { |
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return; |
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} |
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$event->setResponse($this->responseTransformer->createResponseFromContent($event->getControllerResult())); |
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} |
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/** |
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* converts content to correct output format |
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* |
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* @param FilterResponseEvent $event |
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*/ |
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public function onResponseEarly(FilterResponseEvent $event) |
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{ |
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if (!$this->eventRequestMatches($event)) { |
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return; |
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} |
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$event->setResponse($this->responseTransformer->transformEarly($event->getRequest(), $event->getResponse())); |
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} |
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/** |
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* wrap the content if needed |
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* |
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* @param FilterResponseEvent $event |
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*/ |
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public function onResponseLate(FilterResponseEvent $event) |
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{ |
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if (!$this->eventRequestMatches($event)) { |
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return; |
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} |
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$this->responseTransformer->transformLate($event->getRequest(), $event->getResponse()); |
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} |
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/** |
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* @param KernelEvent $event |
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* @return bool |
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*/ |
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protected function eventRequestMatches(KernelEvent $event) |
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{ |
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return $this->requestMatcher->matches($event->getRequest(), $event->getRequestType()); |
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} |
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} |
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mediamonks /
php-rest-api
