/**
* Returns a prepared response with error message and HTTP status code set.
*
* @param Response $response The response instance
* @param int $statusCode The status code
* @param string $statusMessage The status message
* @param bool $expose Controls whether the real information will be send or the default HTTP one
*
* @author Benjamin Carl <*****@*****.**>
*
* @return Response The modified response instance
*/
protected function buildErrorResponse(Response $response, $statusCode, $statusMessage, $expose = false)
{
// Normalize for Exceptions from other parts of the app.
if ($statusCode < 200 || $statusCode > 510) {
$statusCode = 500;
}
$body = new Doozr_Response_Body('php://memory', 'w');
// Do not expose secret information
if (false === $expose) {
$statusMessage = constant('Doozr_Http::REASONPHRASE_' . $statusCode);
}
$body->write('<h1>' . $statusMessage . '</h1>');
return $response->withStatus($statusCode, $statusMessage)->withBody($body);
}
/**
* Getter for data.
*
* @param string $data The data to store.
*
* @author Benjamin Carl <*****@*****.**>
* @return Doozr_Response_Body Data stored
* @access public
*/
public function setData($data)
{
$body = new Doozr_Response_Body();
$body->write($data);
$this->setBody($body);
}
/**
* Dispatches the request to the backend layers. This can be "Model" "View" "Presenter".
*
* @author Benjamin Carl <*****@*****.**>
*
* @return Response
*
* @throws \Doozr_Route_Exception
*/
public function run()
{
// The MVP process is here ...
/* @var Psr\Http\Message\ResponseInterface $response */
$response = $this->getResponse();
$presenter = $this->getPresenter();
$action = $this->getAction();
$view = $this->getView();
// Use inofficial standard "xAction()"
$method = $action . 'Action';
// Validate that request mapped to a route (foo:bar) can be executed by Doozr
if (true === ($httpStatus = $this->validateRequest($presenter, $method))) {
// If we have a view attach it
if (null !== $view && $view instanceof Doozr_Base_View) {
$presenter->attach($view);
}
// Call the requested Action on requested Presenter (Presenter:Action)
$data = $presenter->{$method}();
// Create a response body with write access
$responseBody = new Doozr_Response_Body('php://memory', 'w');
$responseBody->write($data[Doozr_Base_Presenter::IDENTIFIER_VIEW]);
$response = $response->withBody($responseBody);
$response = $response->withStatus(Doozr_Http::OK);
} else {
// So if the Status is not TRUE (successful) it contains an integer for HTTP Response :)
switch ($httpStatus) {
case Doozr_Http::BAD_REQUEST:
$message = sprintf('No Presenter to execute route ("%s"). Sure it exists?', $this->getRoute());
break;
case Doozr_Http::NOT_FOUND:
default:
$message = sprintf('Method "%s()" of class "%s" not callable. Sure it exists and it\'s public?', $method, 'Presenter_' . ucfirst($this->getClassName()));
break;
}
throw new Doozr_Route_Exception($message, $httpStatus);
}
// Return all data returned and fetched in data
return $response;
}
