public CalculatorRes Compute(CalculatorParamObj paramDto)
{
//实际需支付金额 = 总金额-优惠券-抹零
var realConsumeCount = paramDto.TotalConsumeMoney - paramDto.Coupon - paramDto.EraseConsume;
//支付金额<0的情况
if (realConsumeCount <= 0)
{
return(new CalculatorRes());
}
//刷卡消费=消费金额,则不需要使用其它支付
if (paramDto.SwipCardConsume == realConsumeCount)
{
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume
});
}
else if (paramDto.SwipCardConsume > realConsumeCount) //刷卡金额>支付金额,需要找零
{
var returnMoney = paramDto.SwipCardConsume - realConsumeCount;
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume,
retumoney_consum = returnMoney
});
}
else //刷卡金额不够
{
decimal leftMoney = realConsumeCount - paramDto.SwipCardConsume;
//非会员,现金来凑
if (!paramDto.IsMember)
{
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume,
cash_consum = leftMoney
});
}
//会员,优先使用会员的储值和积分来凑,还不够的话,就由现金来补充
//1.刷卡不够,用储值来凑
if (paramDto.CurrentCardMoney >= leftMoney) //储值足够,不需要用积分或现金了
{
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume,
cardmoney_consum = leftMoney
});
}
//2.储值不够,积分来凑
decimal leftMoneyToScore = leftMoney - paramDto.CurrentCardMoney;
if (paramDto.CurrentScore >= leftMoneyToScore) //积分足够
{
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume,
cardmoney_consum = paramDto.CurrentCardMoney,
score_consum = leftMoneyToScore
});
}
//3.积分不够,剩余由现金来凑齐
decimal leftMoneyToCash = leftMoneyToScore - paramDto.CurrentScore;
return(new CalculatorRes()
{
swipcard_consum = paramDto.SwipCardConsume,
cardmoney_consum = paramDto.CurrentCardMoney,
score_consum = paramDto.CurrentScore,
cash_consum = leftMoneyToCash
});
}
}
public CalculatorRes Compute(CalculatorParamObj paramDto)
{
//实际需支付金额 = 总金额-优惠券-抹零
var realConsumeCount = paramDto.TotalConsumeMoney - paramDto.Coupon - paramDto.EraseConsume;
//支付金额<0的情况
if (realConsumeCount <= 0)
{
return(new CalculatorRes());
}
//现金消费=消费金额,则不需要使用刷卡和找零
if (paramDto.CashConsume == realConsumeCount)
{
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume
});
}
else if (paramDto.CashConsume > realConsumeCount) //超过实际支付金额,需要找零
{
decimal returnMoney = paramDto.CashConsume - realConsumeCount;
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume,
retumoney_consum = returnMoney
});
}
else //现金不够
{
decimal leftMoney = realConsumeCount - paramDto.CashConsume;
//非会员,刷卡来凑
if (!paramDto.IsMember)
{
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume,
swipcard_consum = leftMoney
});
}
//会员,优先使用会员的储值和积分来凑,还不够的话,就由刷卡来补充
//1.现金不够,用储值来凑
if (paramDto.CurrentCardMoney >= leftMoney) //储值足够,不需要用积分或刷卡了
{
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume,
cardmoney_consum = leftMoney
});
}
//2储值不够,积分来凑
decimal leftMoneyToScore = leftMoney - paramDto.CurrentCardMoney;
if (paramDto.CurrentScore >= leftMoneyToScore) //积分可以凑够
{
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume,
cardmoney_consum = paramDto.CurrentCardMoney,
score_consum = leftMoneyToScore
});
}
//3积分不够,剩余由刷卡补充
decimal leftMoneyToSwipeCard = leftMoneyToScore - paramDto.CurrentScore;
return(new CalculatorRes()
{
cash_consum = paramDto.CashConsume,
cardmoney_consum = paramDto.CurrentCardMoney,
score_consum = paramDto.CurrentScore,
swipcard_consum = leftMoneyToSwipeCard
});
}
}