public function index()
 {
     $medias = Media::where('active', true)->get();
     return $medias;
 }
 public function removeVideo(Request $request, $competitionId, $videoId)
 {
     DB::transaction(function () use($request, $competitionId, $videoId) {
         $video = Media::find($videoId);
         $video->competition_id = null;
         $video->region_id = null;
         $video->save();
     });
     return Media::where('competition_id', $competitionId)->where('type', 'VIDEO')->get();
 }