/**
* When a Controller has been found, the handleRequest method will be invoked,
* which is responsible for handling the actual request and - if applicable - returning
* an appropriate Response. So actually, this method is the main entrypoint for the
* dispatch loop which delegates requests to controllers.
*
* @param string $controllerName
* @param string $actionName
* @return mixed
* @throws RequestException
* @throws RuntimeException
*/
public function handleRequest($controllerName, $actionName)
{
try {
$controller = Loader::getInstance()->getController($controllerName);
} catch (LoaderException $e) {
throw new RequestException($e->getMessage(), Response::NOT_FOUND);
}
if (method_exists($controller, 'setRequest')) {
$controller->setRequest($this);
}
$controllerResponse = null;
if (method_exists($controller, 'init')) {
$controllerResponse = $controller->init($this);
}
if (!isset($controllerResponse)) {
if (!method_exists($controller, $actionName . 'Action')) {
$m = sprintf('Method "%s" not found', $actionName);
throw new RequestException($m, Response::NOT_FOUND);
}
$controllerResponse = $controller->{$actionName . 'Action'}($this);
}
$this->setController($controllerName);
$this->setAction($actionName);
if ($controllerResponse instanceof View) {
$this->setContentType('html');
$response = new Response();
$response->setView($controllerResponse);
return $response;
} else {
if ($controllerResponse instanceof Response) {
return $controllerResponse;
} else {
$m = sprintf('Method "%s::%sAction()" contains an invalid return type', $controllerName, $actionName);
throw new RuntimeException($m);
}
}
}
/**
* @param string $tpl
*
* @return $this
* @see Response::setView
*/
public function setView(string $tpl)
{
$this->response->setView($tpl);
return $this;
}
