public ActionResult Favorites()
        {
            var fvrManager = new FavoriteManager();
            var user = GetUserByLogin();

            var lstFavorites = fvrManager.GetByUser(user.Id);
            string strJSON = JsonConvert.SerializeObject(
                lstFavorites,
                Formatting.Indented,
            new JsonSerializerSettings
            {
                PreserveReferencesHandling = PreserveReferencesHandling.Objects
            });

            return Json(strJSON, JsonRequestBehavior.AllowGet);
        }