/**
* Renders the parameters and template and initializes a new response object with the
* rendered content.
*
* @param GetResponseForControllerResultEvent $event
* @return array|mixed
*/
public function onKernelView(GetResponseForControllerResultEvent $event)
{
$request = $event->getRequest();
$configuration = $request->attributes->get('_view');
$view = $event->getControllerResult();
if (!$view instanceof View) {
if (!$configuration && !$this->container->getParameter('fos_rest.view_response_listener.force_view')) {
return parent::onKernelView($event);
}
$view = new View($view);
}
if ($configuration) {
if ($configuration->getTemplateVar()) {
$view->setTemplateVar($configuration->getTemplateVar());
}
if (null === $view->getStatusCode() && $configuration->getStatusCode()) {
$view->setStatusCode($configuration->getStatusCode());
}
if ($configuration->getSerializerGroups()) {
$context = $view->getSerializationContext() ?: new SerializationContext();
$context->setGroups($configuration->getSerializerGroups());
$view->setSerializationContext($context);
}
}
if (null === $view->getFormat()) {
$view->setFormat($request->getRequestFormat());
}
$vars = $request->attributes->get('_template_vars');
if (!$vars) {
$vars = $request->attributes->get('_template_default_vars');
}
$viewHandler = $this->container->get('fos_rest.view_handler');
if ($viewHandler->isFormatTemplating($view->getFormat())) {
if (!empty($vars)) {
$parameters = (array) $viewHandler->prepareTemplateParameters($view);
foreach ($vars as $var) {
if (!array_key_exists($var, $parameters)) {
$parameters[$var] = $request->attributes->get($var);
}
}
$view->setData($parameters);
}
$template = $request->attributes->get('_template');
if ($template) {
if ($template instanceof TemplateReference) {
$template->set('format', null);
}
$view->setTemplate($template);
}
}
$response = $viewHandler->handle($view, $request);
$event->setResponse($response);
}
/**
* Handles creation of a Response using either redirection or the templating/serializer service
*
* @param View $view
* @param Request $request
* @param string $format
*
* @return Response
*/
public function createResponse($view, Request $request, $format)
{
$route = $view->getRoute();
$location = $route ? $this->getRouter()->generate($route, (array) $view->getData(), true) : $view->getLocation();
if ($location) {
return $this->createRedirectResponse($view, $location, $format);
}
$content = null;
if ($this->isFormatTemplating($format)) {
$content = $this->renderTemplate($view, $format);
} elseif ($this->serializeNull || null !== $view->getData()) {
$serializer = $this->getSerializer($view);
if ($serializer instanceof Serializer) {
$context = $this->getSerializationContext($view);
$content = $serializer->serialize($view->getData(), $format, $context);
} else {
$content = $serializer->serialize($view->getData(), $format);
}
}
$response = $view->getResponse();
$response->setStatusCode($this->getStatusCode($view, $content));
if (null !== $content) {
$response->setContent($content);
}
if (!$response->headers->has('Content-Type')) {
$response->headers->set('Content-Type', $request->getMimeType($format));
}
return $response;
}
