public async Task <IActionResult> GetAllMenuItems(String restaurantName, String menuName)
{
var getAllMenuItemsExpr = from selectRestaurant in RestaurantDomain.GetRestaurant(restaurantName)
let restaurant = (selectRestaurant as RestaurantSelected)?.RestaurantAgg
from selectMenu in RestaurantDomain.GetMenu(menuName, restaurant.Restaurant.Id)
let menu = (selectMenu as MenuSelected)?.MenuAgg
from getAllMenus in RestaurantDomain.GetAllMenuItems(menu.Menu.Id)
select getAllMenus;
return(Ok(await interpreter.Interpret(getAllMenuItemsExpr, Unit.Default)));
}