/**
* Resolve request parameter
*
* @param ActionInterface $action
* @param CallableInterface $callable
* @param array $inputArguments
* @param \ReflectionParameter $parameter
*
* @return object
*
* @throws \Exception
*/
private function resolveRequest(ActionInterface $action, CallableInterface $callable, array $inputArguments, \ReflectionParameter $parameter)
{
$class = $parameter->getClass();
if ($class->isInterface()) {
throw new \RuntimeException(sprintf('Could not create instance via interface for parameter "%s" in method "%s". ' . 'You must set the class for type hinting.', $parameter->getName(), Reflection::getCalledMethod($callable->getReflection())));
}
if ($class->isAbstract()) {
throw new \RuntimeException(sprintf('Could not create instance via abstract class for parameter "%s" in method "%s". ' . 'You must set the real class for type hinting.', $parameter->getName(), Reflection::getCalledMethod($callable->getReflection())));
}
/** @var RequestInterface $request */
$request = $class->newInstance();
// Map arguments
$this->objectMapper->map($request, $inputArguments, ObjectMetadata::DEFAULT_GROUP);
// Validate process
if ($this->validator) {
if ($this->validator instanceof VarTagValidatorInterface) {
$violationList = $this->validator->validateObjectByVarTags($request);
if (count($violationList)) {
throw ViolationListException::create($violationList);
}
}
$violationList = $this->validator->validate($request);
if (count($violationList)) {
throw ViolationListException::create($violationList);
}
}
return $request;
}
/**
* {@inheritDoc}
*/
public function handle($method, array $parameters)
{
try {
// Get action and callable
$action = $this->actionManager->getAction($method);
$callable = $this->callableResolver->resolve($action);
// Resolve parameters
$parameters = $this->parameterResolver->resolve($action, $callable, $parameters);
// Dispatch "pre dispatch" event
$event = new ActionDispatchEvent($action, $callable, $parameters);
$this->eventDispatcher->dispatch(ApiEvents::ACTION_PRE_DISPATCH, $event);
// Call to API method
$response = $callable->apply($parameters);
if (null === $response) {
throw new \RuntimeException(sprintf('The callable "%s" should be return Response or any values. Can not be empty.', Reflection::getCalledMethod($callable->getReflection())));
}
if (!$response instanceof ResponseInterface) {
// Try transform in listeners.
$event = new ActionViewEvent($action, $callable, $parameters, $response);
$this->eventDispatcher->dispatch(ApiEvents::ACTION_VIEW, $event);
$response = $event->getResponse();
if (!$response) {
throw new \RuntimeException(sprintf('Not found response after dispatch view event in API method "%s". ' . 'You must return response or transform response in view event.', Reflection::getCalledMethod($callable->getReflection())));
}
if (!$response instanceof ResponseInterface) {
throw new \RuntimeException(sprintf('The response after dispatch view event must be a ResponseInterface instance, but "%s" given ' . 'for method "%s".', is_object($response) ? get_class($response) : gettype($response)));
}
}
$event = new ActionDispatchEvent($action, $callable, $parameters, $response);
$this->eventDispatcher->dispatch(ApiEvents::ACTION_POST_DISPATCH, $event);
return $response;
} catch (\Exception $e) {
$event = new ActionExceptionEvent(isset($action) ? $action : null, $e);
$this->eventDispatcher->dispatch(ApiEvents::ACTION_EXCEPTION, $event);
if ($event->hasResponse()) {
return $event->getResponse();
}
throw $e;
}
}
/**
* On pre dispatch event
*
* @param ActionDispatchEvent $event
*/
public function onPreDispatch(ActionDispatchEvent $event)
{
$message = sprintf('Match callable "%s" for action "%s".', Reflection::getCalledMethod($event->getCallable()->getReflection()), $event->getAction()->getName());
$this->logger->debug($message);
}