/// <summary>
/// 修正退款的应收/退金额
/// </summary>
private void reviseRefundAnticipation(NormalPayDetailBill payBill, NormalRefundDetailBill refundBill, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundedAmount = refundedBills.Sum(item => item.Anticipation);
if (Math.Abs(payBill.Anticipation) < Math.Abs(refundBill.Anticipation + refundedAmount))
{
refundBill.Anticipation = (payBill.Anticipation + refundedAmount) * -1;
}
}
/// <summary>
/// 修改应该退还的服务费
/// </summary>
private void reviseRefundServiceCharge(NormalPayDetailBill payBill, NormalRefundDetailBill refundBill, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundedServiceCharge = refundedBills.Sum(item => item.ServiceCharge);
if (Math.Abs(payBill.ServiceCharge) < Math.Abs(refundBill.ServiceCharge + refundedServiceCharge))
{
refundBill.ServiceCharge = (payBill.ServiceCharge + refundedServiceCharge) * -1;
}
}
/// <summary>
/// 修正退还的加价金额
/// </summary>
private void reviseRefundIncreasing(NormalPayDetailBill payBill, NormalRefundDetailBill refundBill, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundedIncreasing = refundedBills.Sum(item => item.Increasing);
if (Math.Abs(payBill.Increasing) < Math.Abs(refundBill.Increasing + refundedIncreasing))
{
refundBill.Increasing = (payBill.Increasing + refundedIncreasing) * -1;
}
}
/// <summary>
/// 修改应该退还的佣金
/// </summary>
private void reviseRefundCommission(NormalPayDetailBill payBill, NormalRefundDetailBill refundBill, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundedCommission = refundedBills.Sum(item => item.Commission);
if (Math.Abs(payBill.Commission) < Math.Abs(refundBill.Commission + refundedCommission))
{
refundBill.Commission = (payBill.Commission + refundedCommission) * -1;
}
}
/// <summary>
/// 生成差错退款账单明细
/// </summary>
private NormalRefundDetailBill makeRefundDetailBill(NormalPayDetailBill payBill, ErrorRefundFlight refundFlight, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var result = new NormalRefundDetailBill(payBill.Passenger, payBill.Flight);
result.Anticipation = GetErrorRefundAnticipation(refundFlight);
reviseRefundAnticipation(payBill, result, refundedBills);
result.TradeFee = CalcTradeFee(result.Anticipation);
reviseRefundTradeFee(payBill, result, refundedBills);
return(result);
}
/// <summary>
/// 修改退款时的交易手续费
/// </summary>
private void reviseRefundTradeFee(NormalPayDetailBill payBill, NormalRefundDetailBill refundBill, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundedTradeFee = refundedBills.Sum(item => item.TradeFee);
var refundedAnticipation = refundedBills.Sum(b => b.Anticipation);
var refundAnticipation = refundedAnticipation + refundBill.Anticipation;
// 退款金额与收款金额相同时，直接全退手续费
// 退还的手续费不能超过收取的手续费
if (Math.Abs(payBill.Anticipation) == Math.Abs(refundAnticipation) ||
Math.Abs(payBill.TradeFee) < Math.Abs(refundBill.TradeFee + refundedTradeFee))
{
refundBill.TradeFee = (payBill.TradeFee + refundedTradeFee) * -1;
}
}
/// <summary>
/// 生成退款账单明细
/// </summary>
private NormalRefundDetailBill makeRefundDetailBill(NormalPayDetailBill payBill, RefundInfo refundInfo, IEnumerable <NormalRefundDetailBill> refundedBills)
{
var refundFlight = refundInfo == null ? null : refundInfo.GetFlight(payBill.Flight.Id);
var result = new NormalRefundDetailBill(payBill.Passenger, payBill.Flight)
{
RefundRate = refundFlight == null ? 0 : refundFlight.Rate,
RefundFee = refundFlight == null ? 0 : GetRefundFee(payBill.Flight, payBill.Passenger, refundFlight)
};
result.Commission = GetRefundCommission(payBill);
reviseRefundCommission(payBill, result, refundedBills);
result.Increasing = refundFlight == null ? payBill.Increasing * -1 : GetRefundIncreasing(payBill, refundFlight.RefundServiceCharge.HasValue);
reviseRefundIncreasing(payBill, result, refundedBills);
result.ServiceCharge = refundFlight == null ? payBill.ServiceCharge * -1 : GetRefundServiceCharge(refundInfo.HasSupplier, refundFlight);
reviseRefundServiceCharge(payBill, result, refundedBills);
result.Anticipation = refundFlight == null ? payBill.Anticipation * -1 : GetRefundAnticipation(payBill, result.Commission, result.Increasing, result.ServiceCharge, result.RefundRate, result.RefundFee);
reviseRefundAnticipation(payBill, result, refundedBills);
result.TradeFee = CalcTradeFee(result.Anticipation);
reviseRefundTradeFee(payBill, result, refundedBills);
return(result);
}