public ActionResult SaveOrder(OrderIndexVM orderIndexVM)
        {
            //saves to the table
            var order = new Order
            {
                CustomerID = orderIndexVM.CustomerID,
                LocationID = orderIndexVM.LocationID,
                Total      = GetTotal(orderIndexVM.DrinkOrders)
            };

            order = _orderBL.AddOrder(order);
            foreach (var item in orderIndexVM.DrinkOrders)
            {
                if (item.Quantity > 0)
                {
                    var drinkOrder = new DrinkOrder
                    {
                        DrinkId  = item.DrinkId,
                        OrderId  = order.OrderID,
                        Quantity = item.Quantity
                    };
                    _orderBL.AddDrinkOrder(drinkOrder);
                }
                var inventory = _inventoryBL.GetInventoryByLocationIDAndDrinkID(order.LocationID, item.DrinkId);
                if (inventory != null)
                {
                    inventory.Quantity -= item.Quantity;
                    _inventoryBL.UpdateInventory(inventory);
                }
            }



            return(RedirectToAction("Index", "Home"));
        }