public bool AddToCart(Product product, ShoppingCart cart)
        {
            if(product != null && cart != null)
            {
                var cartItem = storeDB.Carts.SingleOrDefault(
                c => c.CartId == cart.ShopCartId
                && c.ProductId == product.ProductId);

                if (cartItem == null)
                {

                    cartItem = new Cart
                    {
                        ProductId = product.ProductId,
                        CartId = cart.ShopCartId,
                        Count = 1,
                        DateCreated = DateTime.Now
                    };
                    storeDB.Carts.Add(cartItem);
                }
                else
                {
                    cartItem.Count++;
                }

                storeDB.SaveChanges();
                return true;
            }
            else
            {
                return false;
            }
        }
 public List<Cart> GetCartItems(ShoppingCart cart)
 {
     if(cart != null)
     {
         var list = new List<Cart>();
         var ca = new Cart()
         {
             CartId = "1",
             Count = 1,
             DateCreated = DateTime.Now,
             RecordId = 1
         };
         list.Add(ca);
         return list;
     }
     else
     {
         return null;
     }
 }