public async Task <IActionResult> DeteleOrder(string menuItemName, int menuID)
        {
            var expr = from deleteMenuItem in RestaurantDomain.DeleteMenuItemFromDB(menuItemName, menuID)
                       let menuItem = (deleteMenuItem as MenuItemDeleted)?.MenuItem
                                      select deleteMenuItem;

            var result = await interpreter.Interpret(expr, Unit.Default);

            return(await result.MatchAsync <IActionResult>(

                       async (deleted) =>
            {
                return (IActionResult)Ok(deleted.MenuItem);
            },
                       async (notDeleted) =>
            {
                return BadRequest();
            }

                       ));
        }