private async Task <OrderSessionPaySummaryModel> GetPaymentSummary(OrderSession orderSession, OrderSessionPaySummaryRequestModel model)
{
//Calculate base price
var price = CalculatePrice(orderSession);
var fullPrice = price;
//Note: calculation order matters here, we redeem loyalty points 1st, because if the vouchers are percentage based, overall this results in potentially higher net gain for the restaurant
int redeemedPoints = 0;
//Loyalty points
if (model.LoyaltyCardNumber != null)
{
var loyaltyCard = await DbContext.LoyaltyCards.Where(lc => lc.CardNumber == model.LoyaltyCardNumber).SingleOrDefaultAsync();
if (loyaltyCard == null)
{
loyaltyCard = await LoyaltyCardService.AddLoyaltyCard(model.LoyaltyCardNumber ?? 1);
await DbContext.SaveChangesAsync();
}
//Redeem points
if (model.ShouldRedeemPoints)
{
redeemedPoints = Math.Min(loyaltyCard.Points, price);
loyaltyCard.Points -= redeemedPoints;
price -= redeemedPoints;
}
//Add new points for the purchase
loyaltyCard.Points += (int)Math.Round(fullPrice * OrderConfig.LoyaltyPointsMultiplier);
}
int discountedPrice = price;
//Vouchers
if (!string.IsNullOrEmpty(model.VoucherCode) && price > OrderConfig.MinPrice)
{
discountedPrice = await CalculateVoucherDiscountedPrice(model.VoucherCode, price);
}
int discountAmount = price - discountedPrice;
price = discountedPrice;
price = Math.Max(price, OrderConfig.MinPrice);
return(new OrderSessionPaySummaryModel()
{
FullPrice = fullPrice,
FinalPrice = price,
LoyaltyCardNumber = model.LoyaltyCardNumber,
UsedLoyaltyPoints = redeemedPoints,
VoucherCode = model.VoucherCode,
VoucherTotalDiscountAmount = discountAmount
});
}
public async Task <OrderSessionPaySummaryModel> GetPaymentSummary(int orderSessionId, OrderSessionPaySummaryRequestModel model)
{
var orderSession = await DbContext.OrderSessions.Include(os => os.Orders)
.ThenInclude(o => o.Items)
.ThenInclude(oi => oi.MenuItem)
.Where(os => os.Id == orderSessionId && (os.Status == OrderSessionStatus.Active || os.Status == OrderSessionStatus.Delivering))
.SingleOrDefaultAsync();
if (orderSession == null)
{
throw new RestaurantNotFoundException("A rendelési folyamat nem létezik vagy a fizetése nem lehetséges!");
}
await StatusService.CheckRightsForStatus(orderSession.Status);
return(await GetPaymentSummary(orderSession, model));
}
public async Task <OrderSessionPaySummaryModel> GetOrderSessionPaymentSummary([FromQuery] OrderSessionPaySummaryRequestModel requestModel, int id) => await OrderSessionService.GetPaymentSummary(id, requestModel);
