/**
* @param ControllerReadyEvent $event
*
* @return array The value to assign to the function parameter.
*
* @throws HttpException If the object cannot be instantiated.
*/
private function getParameters(ControllerReadyEvent $event)
{
$controller = $event->getRouteMatch()->getControllerReflection();
$currentParameters = $event->getParameters();
$newParameters = [];
foreach ($controller->getParameters() as $parameter) {
$name = $parameter->getName();
if (isset($currentParameters[$name])) {
$newParameters[$name] = $this->getParameterValue($parameter, $currentParameters[$name]);
}
}
return $newParameters;
}
/**
* @param \Brick\Http\Request $request The request to handle.
*
* @return \Brick\Http\Response The generated response.
*
* @throws \Brick\Http\Exception\HttpException If a route throws such an exception, or no route matches the request.
* @throws \UnexpectedValueException If a route or controller returned an invalid value.
*/
private function handleRequest(Request $request)
{
$event = new IncomingRequestEvent($request);
$this->eventDispatcher->dispatch(IncomingRequestEvent::class, $event);
$match = $this->route($request);
$event = new RouteMatchedEvent($request, $match);
$this->eventDispatcher->dispatch(RouteMatchedEvent::class, $event);
$controllerReflection = $match->getControllerReflection();
$instance = null;
$this->valueResolver->setRequest($request);
$this->valueResolver->setParameters($match->getClassParameters());
if ($controllerReflection instanceof \ReflectionMethod) {
$className = $controllerReflection->getDeclaringClass()->getName();
$instance = $this->injector->instantiate($className);
$callable = $controllerReflection->getClosure($instance);
} elseif ($controllerReflection instanceof \ReflectionFunction) {
$callable = $controllerReflection->getClosure();
} else {
throw new \UnexpectedValueException('Unknown controller reflection type.');
}
$event = new ControllerReadyEvent($request, $match, $instance);
$event->addParameters($match->getFunctionParameters());
$this->eventDispatcher->dispatch(ControllerReadyEvent::class, $event);
$response = $event->getResponse();
if ($response === null) {
$this->valueResolver->setParameters($event->getParameters());
try {
$result = $this->injector->invoke($callable);
if ($result instanceof Response) {
$response = $result;
} else {
$event = new NonResponseResultEvent($request, $match, $instance, $result);
$this->eventDispatcher->dispatch(NonResponseResultEvent::class, $event);
$response = $event->getResponse();
if ($response === null) {
throw $this->invalidReturnValue('controller', Response::class, $result);
}
}
} catch (HttpException $e) {
$response = $this->handleHttpException($e, $request);
} finally {
$event = new ControllerInvocatedEvent($request, $match, $instance);
$this->eventDispatcher->dispatch(ControllerInvocatedEvent::class, $event);
}
}
$event = new ResponseReceivedEvent($request, $response, $match, $instance);
$this->eventDispatcher->dispatch(ResponseReceivedEvent::class, $event);
return $response;
}
