public async Task <IActionResult> GetAllOrders(String restaurantName)
{
var expr = from selectRestaurant in RestaurantDomain.GetRestaurant(restaurantName)
let restaurant = (selectRestaurant as RestaurantSelected)?.RestaurantAgg
from getAllOrders in RestaurantDomain.GetAllOrders(restaurant.Restaurant.Id)
select getAllOrders;
return((IActionResult)Ok(await interpreter.Interpret(expr, Unit.Default)));
}