public ActionResult  Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(System.Net.HttpStatusCode.BadRequest));
            }
            var furniture = _db.GetById(id);

            if (furniture == null)
            {
                return(HttpNotFound());
            }
            return(View(furniture));
        }
        public ActionResult AddToCart(int?furnitureId)
        {
            Furniture furniture = _db.GetById(furnitureId);

            GetCart().AddItem(furniture, 1);
            return(RedirectToAction("Index", "Furnitures", new { area = "" }));
        }