/**
* mainPipe
*
* @param Request $request
* @param Response $response
* @param callable|null $out
*
* @return mixed
*/
public function mainPipe(Request $request, Response $response, callable $out = null)
{
if (empty($request->getAttribute(ResourceKey::getName()))) {
return $out($request, $response);
}
$middlewareProvider = $this->getMiddlewareProvider();
$mainPipe = new MiddlewarePipe();
$request = $middlewareProvider->buildPipe($mainPipe, $request);
return $mainPipe($request, $response, $out);
}
/**
* getResourceKey
*
* @param Request $request
* @param null $default
*
* @return mixed
*/
protected function getResourceKey(Request $request, $default = null)
{
return $request->getAttribute(ResourceKey::getName(), $default);
}
/**
* buildPipe
*
* @param MiddlewarePipe $middlewarePipe
* @param Request $request
*
* @return MiddlewarePipe
* @throws ResourceException
*/
public function buildPipe(MiddlewarePipe $middlewarePipe, Request $request)
{
$resourceKey = $request->getAttribute(ResourceKey::getName());
if ($resourceKey === null) {
throw new ResourceException('ResourceKey not set: ' . $resourceKey);
}
$operations = $this->buildResourceOperationCollection($resourceKey);
$middlewarePipe->pipeOperations($operations);
return $request;
}