Move Video class to a separate library

+ improve error handling
+ youtube-dl update

controllers/JsonController.php

@@ -6,8 +6,7 @@
 
 namespace Alltube\Controller;
 
-use Alltube\Video;
-use Exception;
+use Alltube\Library\Exception\AlltubeLibraryException;
 use Slim\Http\Request;
 use Slim\Http\Response;
 
@@ -19,24 +18,24 @@ class JsonController extends BaseController
     /**
      * Return the JSON object generated by youtube-dl.
      *
-     * @param Request  $request  PSR-7 request
+     * @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)) {
-            try {
-                $this->video = new Video($url, $this->getFormat($request), $this->getPassword($request));
+            $this->video = $this->downloader->getVideo(
+                $url,
+                $this->getFormat($request),
+                $this->getPassword($request)
+            );
 
-                return $response->withJson($this->video->getJson());
-            } catch (Exception $e) {
-                return $response->withJson(['error' => $e->getMessage()])
-                    ->withStatus(500);
-            }
+            return $response->withJson($this->video->getJson());
         } else {
             return $response->withJson(['error' => 'You need to provide the url parameter'])
                 ->withStatus(400);