public ActionResult FavoriteShops(int p = 1)
        {
            UserModel userModel = new UserModel();
            UserInfo userInfo = userModel.GetUserInfo(User.Identity.Name);
            var favoriteShops = userModel.GetUserFavoriteShops(userInfo.Id);
            int favCount = favoriteShops.Count();
            ViewBag.FavoriteShopsCount = favCount;

            int pageSize = 16;
            Paging.ToPaging(p, favCount, this, pageSize);
            favoriteShops = favoriteShops.Skip((p - 1) * pageSize).Take(pageSize);
            ViewBag.PageName = "favshop";

            return View(favoriteShops);
        }