public decimal GetTotal(int billId) { var bills = billDetailRepository.GetsByBillId(billId); decimal total = 0; decimal price; foreach (var b in bills) { price = drinkRepository.GetBy(b.DrinkId).Price; total += b.Quantity * price; } return(total); }
public IEnumerable <BillDetailDto> GetBillDetails(int billId) { var bills_detail = billDetailRepository.GetsByBillId(billId); return(bills_detail.MappingDtos()); }