public decimal GetReservationPriceForDay(PriceCalculator priceCalculator) { var guest = ReservationRooms.SelectMany(x => x.Guests).ToList(); guest.ForEach(x => x.SetPriceForStay(priceCalculator.CalculateGuestPrice(x))); return(priceCalculator.CalculateReservationPrice(this)); }
public List <Guest> GetGuests() => ReservationRooms.SelectMany(x => x.Guests).ToList();