/**
* Filters the Response.
*
* @param FilterResponseEvent $event A FilterResponseEvent instance
*/
public function onResponse(FilterResponseEvent $event)
{
// $response = $event->getResponse();
// $headers = $response->headers;
// $headers->set('Content-Length', 11);
// if (!$headers->has('Content-Length') && !$headers->has('Transfer-Encoding')) {
// $headers->set('Content-Length', strlen($response->getContent()));
// }
$request = $event->getRequest();
$response = $event->getResponse();
if ('HEAD' === $request->getMethod()) {
// cf. RFC2616 14.13
$length = $response->headers->get('Content-Length');
$response->setContent('');
if ($length) {
$response->headers->set('Content-Length', $length);
}
}
if ($response->getCharset() === null) {
$response->setCharset($this->charset);
}
$annotations = $event->getAnnotations();
// override headers from annotations
if ($annotations instanceof ResponseAnnotation) {
$annotatedHeaders = $annotations->getHeaders();
foreach ($annotatedHeaders as $key => $value) {
$response->headers->set($key, $value);
}
}
// end annotated headers
if ($response->headers->has('Content-Type')) {
return;
}
$format = $request->getRequestFormat();
if ($format !== null && ($mimeType = $request->getMimeType($format))) {
$response->headers->set('Content-Type', $mimeType);
}
}
/**
* handle the http user request
*
* @param \Alchemy\Application $app
* @param \Alchemy\Component\Http\Request $request user http request
* @return \Alchemy\Component\Http\JsonResponse|\Alchemy\Component\Http\Response
*/
public function handle(Request $request, Application $app = null)
{
$this->request = $request;
try {
// init services providers
/** @var \Alchemy\Service\ServiceProviderInterface $providers */
$providers = $app->getServiceProviders();
foreach ($providers as $provider) {
$provider->init($app);
}
/*
* "EVENT" KernelEvents::REQUEST using GetResponse Event
*
* This event can be used by an application to filter a request before
* ever all kernel logic being executed, listeners for this event should
* be registered outside framework logic (should be on application logic).
*/
if ($this->dispatcher->hasListeners(KernelEvents::REQUEST)) {
$event = new GetResponseEvent($this, $request, $app);
$this->dispatcher->dispatch(KernelEvents::REQUEST, $event);
if ($event->hasResponse()) {
//var_dump($event->getResponse()); die("ee");
$event = new FilterResponseEvent($this, $request, $event->getResponse());
$this->dispatcher->dispatch(KernelEvents::RESPONSE, $event);
return $event->getResponse();
}
}
/*
* try match the url request with a defined route.
* it any route match the current url a ResourceNotFoundException
* will be thrown.
*/
$params = $this->mapper->match($request);
$uriParams = $params["params"];
// prepare request params.
$params = $this->prepareRequestParams(array($params["mapped"], $request->query->all(), $request->request->all()));
// add prepared params to request as attributes.
$request->attributes->add($params);
// resolve controller
try {
$controller = $this->resolver->getController($request);
} catch (\Exception $exception) {
/*
* Detailed exception types are only for development environments
* if the current is a non dev environment just overrides the current exception with
* a ResourceNotFoundException exception
*/
if ($this->config->get('env.type') !== 'dev') {
$exception = new ResourceNotFoundException($request->getPathInfo());
}
throw $exception;
}
if (!$controller) {
throw new ResourceNotFoundException($request->getPathInfo());
}
// setting default annotations namespace
$this->annotationReader->setDefaultNamespace('\\Alchemy\\Annotation\\');
// seeting annotation reader target
$this->annotationReader->setTarget($params['_controllerClass'], $params['_controllerMethod']);
$arguments = $this->resolver->getArguments($app, $request, $controller);
//"EVENT" FILTER_CONTROLLER
if ($this->dispatcher->hasListeners(KernelEvents::FILTER_CONTROLLER)) {
$event = new FilterControllerEvent($this, $controller, $request);
$this->dispatcher->dispatch(KernelEvents::FILTER_CONTROLLER, $event);
// getting controller; this can be the same or other filtered controller
$controller = $event->getController();
}
//"EVENT" BEFORE_CONTROLLER
if ($this->dispatcher->hasListeners(KernelEvents::BEFORE_CONTROLLER)) {
$event = new ControllerEvent($this, $controller, $arguments, $request);
$this->dispatcher->dispatch(KernelEvents::BEFORE_CONTROLLER, $event);
}
// Execute controller action
$response = call_user_func_array($controller, $arguments);
// check returned value by method is a array
if (is_array($response)) {
// set controller view data object
foreach ($response as $key => $value) {
$controller[0]->view->{$key} = $value;
}
}
// getting controller's data.
$controllerData = (array) $controller[0]->view;
if (!($response instanceof Response || $response instanceof JsonResponse)) {
if ($this->annotationReader->getAnnotation('JsonResponse')) {
$controllerData = $response;
$response = new JsonResponse();
$response->setData($controllerData);
} else {
$response = new Response();
}
}
//"EVENT" AFTER_CONTROLLER
if ($this->dispatcher->hasListeners(KernelEvents::AFTER_CONTROLLER)) {
if (!isset($event) || !$event instanceof ControllerEvent) {
$event = new ControllerEvent($this, $controller, $arguments, $request);
}
$event->setResponse($response);
$this->dispatcher->dispatch(KernelEvents::AFTER_CONTROLLER, $event);
}
// handling view
$view = $this->handleView($params['_controllerClass'], $params['_controllerMethod'], $controllerData, $this->annotationReader->getAnnotation('View'));
// handling meta ui
if ($this->annotationReader->getAnnotation('ServeUi')) {
$view = $this->handleMetaUi($controllerData, $this->annotationReader->getAnnotation('ServeUi'), $view, $request);
}
// if there is a view adapter instance, get its contents and set to response content
if (!empty($view)) {
foreach ($uriParams as $keyParam => $valParam) {
$view->assign($keyParam, $valParam);
}
//"EVENT" VIEW dispatch all KernelEvents::VIEW events
if ($this->dispatcher->hasListeners(KernelEvents::VIEW)) {
$event = new ViewEvent($this, $view, $request, $this->annotationReader, $app);
$this->dispatcher->dispatch(KernelEvents::VIEW, $event);
$view = $event->getView();
}
$response->setContent($view->getOutput());
}
} catch (ResourceNotFoundException $e) {
$exceptionHandler = new Exception\Handler();
if ($request->isXmlHttpRequest()) {
$response = new JsonResponse();
$response->setData(array('success' => false, 'message' => $e->getMessage()));
} else {
$response = new Response($exceptionHandler->getOutput($e), 404);
}
} catch (\Exception $e) {
// echo $e->getMessage();
// echo "<br><pre>";
// echo $e->getTraceAsString();
// die;
$exceptionHandler = new Exception\Handler();
if ($request->isXmlHttpRequest()) {
$response = new JsonResponse();
$response->setData(array('success' => false, 'message' => $e->getMessage()));
} else {
$response = new Response($exceptionHandler->getOutput($e), 500);
}
}
if ($this->annotationReader->hasTarget()) {
$responseAnnotation = $this->annotationReader->getAnnotation('Response');
} else {
$responseAnnotation = null;
}
// dispatch a response event
$this->dispatcher->dispatch(KernelEvents::RESPONSE, new FilterResponseEvent($this, $request, $response, $responseAnnotation));
return $response;
}
