/**
* @param Request $request
* @param Response $response
* @param callable $next
* @return Response
*/
public function __invoke(Request $request, Response $response, callable $next)
{
$dispatcher = new Dispatcher($this->collector->getData());
$result = $dispatcher->dispatch($request->getMethod(), $request->getUri()->getPath());
$code = $result[0];
if ($code != Dispatcher::FOUND) {
return $next($request, $response);
}
/** @var Route $route */
$route = $result[1];
$params = $result[2];
$request = $request->withAttribute('params', $params)->withAttribute('route', $route);
// set the route map match
$this->routeMap->setRouteMatch($route);
foreach ($params as $key => $value) {
$request[$key] = $value;
}
// Custom middleware handler.
// We have to iterate through middleware as it was added so that they retain the proper ordering.
// We have to check if the middleware is a route and if it was the route matched during dispatching.
// If so, we can call the route handler, otherwise, we need to skip over it.
$middleware = $this->middleware;
$callable = function ($request, $response) use(&$callable, &$middleware, $route, $next) {
/** @var callable $layer */
$layer = array_shift($middleware);
if ($layer instanceof Route) {
if ($layer !== $route) {
return $callable($request, $response, $next);
}
$layer = $this->resolver->resolve($route->getHandler());
return $layer($request, $response);
}
return $layer($request, $response, $callable);
};
return $callable($request, $response);
}
