public ActionResult <MenuItem> PostMenuItem(MenuItemCreateViewModel model)
        {
            string[] itemIDS = model.MenuItemString.Split(',');

            for (int i = 0; i < itemIDS.Length; i++)
            {
                MenuItem newMenuItem = new MenuItem
                {
                    ItemID = Int32.Parse(itemIDS[i]),
                    MenuID = model.MenuID
                };

                _menuItemManager.CreateMenuItem(newMenuItem);
            }

            return(CreatedAtAction("GetMenuItem", new { id = Int32.Parse(itemIDS[0]) }, model));
        }