/**
* 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);
}
/**
* Gets a response HTTP status code from a View instance
*
* By default it will return 200. However if there is a FormInterface stored for
* the key 'form' in the View's data it will return the failed_validation
* configuration if the form instance has errors.
*
* @param View $view view instance
* @param mixed $content
*
* @return int HTTP status code
*/
protected function getStatusCode($view, $content = null)
{
if (200 !== ($code = $view->getStatusCode())) {
return $code;
}
$data = $view->getData();
if ($data instanceof FormInterface) {
$form = $data;
} elseif (is_array($data) && isset($data['form']) && $data['form'] instanceof FormInterface) {
$form = $data['form'];
} else {
$form = false;
}
if ($form && $form->isBound() && !$form->isValid()) {
return $this->failedValidationCode;
}
return null !== $content ? Codes::HTTP_OK : $this->emptyContentCode;
}
