public static IEnumerable <Ingredient> Ingredients(this FoodOrder foodOrder) => foodOrder.FoodNavigation.FoodIngredient .Select(fi => fi.IngredientNavigation) .Except(foodOrder.FoodOrderIngredient.Where(foi => foi.Isremoval).Select(foi => foi.IngredientNavigation)) .Concat(foodOrder.FoodOrderIngredient.Where(foi => !foi.Isremoval).Select(foi => foi.IngredientNavigation));
public static string Key(this FoodOrder foodOrder) =>
$"{foodOrder.FoodNavigation.Name};{string.Join(";", foodOrder.FoodOrderIngredient.Select(foi => foi.IngredientNavigation.Name))}";
public static decimal Price(this FoodOrder foodOrder) => foodOrder.FoodOrderIngredient .Where(i => !i.Isremoval) .Sum(i => i.IngredientNavigation.Price ?? 0) + foodOrder.FoodNavigation.Price;