/// <summary>
/// 有押金时计算支付的金额,-txy改动了。本来使用余额，且余额充足的时候，押金不扣的，现在扣了。
/// </summary>
/// <param name="balance"></param>
/// <param name="coupon"></param>
/// <param name="sumMoney"></param>
/// <param name="deposit"></param>
/// <returns></returns>
public PriceRes GetThreePriceWithDeposit(decimal balance, decimal coupon, decimal sumMoney, decimal deposit)
{
var discountTemp = new SettingRes().discount;
var balanceTemp = balance > deposit ? balance - deposit : balance;
var depositForPayMoney = balance > deposit ? 0 : deposit;
var depositForUseBalance = balance > deposit ? deposit:0;
var discount = Convert.ToDecimal(discountTemp) / 100;
PriceRes res = new PriceRes();
var newCoupon = sumMoney * discount;
res.useCoupon = newCoupon > coupon ? coupon : newCoupon;
var newBalance = sumMoney - res.useCoupon;
res.useBalance = (newBalance > balanceTemp ? balanceTemp : newBalance) + depositForUseBalance;
var newPay = sumMoney - res.useBalance - res.useCoupon;
if (newPay > 0)
{
res.payMoney = newPay + depositForPayMoney;
}
else
{
res.payMoney = 0;
}
res.payMoney = StringHelperHere.Instance.KeepDecimal(res.payMoney);
res.useBalance = StringHelperHere.Instance.KeepDecimal(res.useBalance);
return(res);
}
/// <summary>
/// 计算礼金券，余额，第三方支付金额
/// </summary>
public PriceRes GetThreePrice(decimal balance, decimal coupon, decimal sumMoney)
{
var discount = new decimal(0.1);
PriceRes res = new PriceRes();
var newCoupon = sumMoney * discount;
res.useCoupon = newCoupon > coupon ? coupon : newCoupon;
var newBalance = sumMoney - res.useCoupon;
res.useBalance = newBalance > balance ? balance : newBalance;
var newPay = sumMoney - res.useBalance - res.useCoupon;
if (newPay > 0)
{
res.payMoney = newPay;
}
else
{
res.payMoney = 0;
}
return(res);
}
