Add another abstract action base class for dealing with returned views

src/Support/HtmlAction.php

@@ -0,0 +1,24 @@
+<?php namespace Flarum\Support;
+
+use Illuminate\Contracts\Bus\Dispatcher;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Zend\Diactoros\Response;
+
+abstract class HtmlAction extends Action
+{
+    public function handle(Request $request, $routeParams = [])
+    {
+        $view = $this->render($request, $routeParams);
+
+        $response = new Response();
+        $response->getBody()->write($view->render());
+        return $response;
+    }
+
+    /**
+     * @param Request $request
+     * @param array $routeParams
+     * @return \Illuminate\Contracts\View\View
+     */
+    abstract protected function render(Request $request, $routeParams = []);
+}