/**
* Invoke the application.
*
* - Convert the PSR request/response into CakePHP equivalents.
* - Create the controller that will handle this request.
* - Invoke the controller.
*
* @param \Psr\Http\Message\ServerRequestInterface $request The request
* @param \Psr\Http\Message\ResponseInterface $response The response
* @param callable $next The next middleware
* @return \Psr\Http\Message\ResponseInterface
*/
public function __invoke(ServerRequestInterface $request, ResponseInterface $response, $next)
{
// Convert the request/response to CakePHP equivalents.
$cakeRequest = RequestTransformer::toCake($request);
$cakeResponse = ResponseTransformer::toCake($response);
// Dispatch the request/response to CakePHP
$cakeResponse = $this->getDispatcher()->dispatch($cakeRequest, $cakeResponse);
// Convert the response back into a PSR7 object.
return ResponseTransformer::toPsr($cakeResponse);
}
/**
* {@inheritDoc}
*
* Will render the view and use the content as the body of the response.
* It will also set the specified HTTP code and optional additional headers.
*/
public function process(ServerRequestInterface $request, ResponseInterface $response)
{
$className = $this->_config['view']['className'];
if (empty($className)) {
$className = 'App\\View\\AppView';
}
$viewConfig = $this->_config['view'] ?: [];
$view = new $className(RequestTransformer::toCake($request), ResponseTransformer::toCake($response), null, $viewConfig);
$stream = new Stream(fopen('php://memory', 'r+'));
$stream->write($view->render());
$response = $response->withBody($stream);
$response = $response->withStatus($this->_config['code']);
$response = $this->addHeaders($response);
return $response;
}