Simplify PSR-4 autoload

classes/Controller/JsonController.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * JsonController class.
+ */
+
+namespace Alltube\Controller;
+
+use Alltube\Library\Exception\AlltubeLibraryException;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Controller that returns JSON.
+ */
+class JsonController extends BaseController
+{
+    /**
+     * Return the JSON object generated by youtube-dl.
+     *
+     * @param Request $request PSR-7 request
+     * @param Response $response PSR-7 response
+     *
+     * @return Response HTTP response
+     * @throws AlltubeLibraryException
+     */
+    public function json(Request $request, Response $response)
+    {
+        $url = $request->getQueryParam('url');
+
+        if (isset($url)) {
+            $this->video = $this->downloader->getVideo(
+                $url,
+                $this->getFormat($request),
+                $this->getPassword($request)
+            );
+
+            return $response->withJson($this->video->getJson());
+        } else {
+            return $response->withJson(['error' => 'You need to provide the url parameter'])
+                ->withStatus(400);
+        }
+    }
+}