/
DispatchRoute.php
79 lines (67 loc) · 2.05 KB
/
DispatchRoute.php
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<?php
/*
* This file is part of Flarum.
*
* (c) Toby Zerner <toby.zerner@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Flarum\Http\Middleware;
use FastRoute\Dispatcher;
use Flarum\Http\Exception\MethodNotAllowedException;
use Flarum\Http\Exception\RouteNotFoundException;
use Flarum\Http\RouteCollection;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\MiddlewareInterface as Middleware;
use Psr\Http\Server\RequestHandlerInterface as Handler;
class DispatchRoute implements Middleware
{
/**
* @var RouteCollection
*/
protected $routes;
/**
* @var Dispatcher
*/
protected $dispatcher;
/**
* Create the middleware instance.
*
* @param RouteCollection $routes
*/
public function __construct(RouteCollection $routes)
{
$this->routes = $routes;
}
/**
* Dispatch the given request to our route collection.
*
* @throws MethodNotAllowedException
* @throws RouteNotFoundException
*/
public function process(Request $request, Handler $handler): Response
{
$method = $request->getMethod();
$uri = $request->getUri()->getPath() ?: '/';
$routeInfo = $this->getDispatcher()->dispatch($method, $uri);
switch ($routeInfo[0]) {
case Dispatcher::NOT_FOUND:
throw new RouteNotFoundException($uri);
case Dispatcher::METHOD_NOT_ALLOWED:
throw new MethodNotAllowedException($method);
case Dispatcher::FOUND:
$handler = $routeInfo[1];
$parameters = $routeInfo[2];
return $handler($request, $parameters);
}
}
protected function getDispatcher()
{
if (! isset($this->dispatcher)) {
$this->dispatcher = new Dispatcher\GroupCountBased($this->routes->getRouteData());
}
return $this->dispatcher;
}
}