app\models\LivestreamCollection::promote PHP 메소드

    public static function promote($id)
    {
        Cache::forever(static::FEATURED_CACHE_KEY, (string) $id);
    }

 public function promote()
 {
     priv_check('LivestreamPromote')->ensureCan();
     LivestreamCollection::promote(Request::input('id'));
     return js_view('layout.ujs-reload');
 }