Improve forum route registration API

src/Events/RegisterForumRoutes.php

@@ -1,6 +1,7 @@
 <?php namespace Flarum\Events;
 
 use Flarum\Http\RouteCollection;
+use Psr\Http\Message\ServerRequestInterface;
 
 class RegisterForumRoutes
 {
@@ -16,4 +17,24 @@ class RegisterForumRoutes
     {
         $this->routes = $routes;
     }
+
+    public function get($url, $name, $action = 'Flarum\Forum\Actions\IndexAction')
+    {
+        $this->route('get', $url, $name, $action);
+    }
+
+    protected function route($method, $url, $name, $action)
+    {
+        $this->routes->$method($url, $name, $this->action($action));
+    }
+
+    protected function action($class)
+    {
+        return function (ServerRequestInterface $httpRequest, $routeParams) use ($class) {
+            /** @var \Flarum\Support\Action $action */
+            $action = app($class);
+
+            return $action->handle($httpRequest, $routeParams);
+        };
+    }
 }