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【修复】修复全局促销指定商品第几件减去指定金额计算数量有差异的问题。

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This commit is contained in:
大灰灰
2022-05-25 23:56:38 +08:00
parent 50e516c0b7
commit 4930f2148c
3 changed files with 24 additions and 13 deletions
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33
CoreCms.Net.Services/Promotion/CoreCmsPromotionResultServices.cs
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@@ -71,15 +71,19 @@ namespace CoreCms.Net.Services
{
switch (resultInfo.code)
{
//指定商品减固定金额
case "GOODS_REDUCE":
promotionModel = result_GOODS_REDUCE(parameters, item, promotionInfo);
break;
//指定商品打X折
case "GOODS_DISCOUNT":
promotionModel = result_GOODS_DISCOUNT(parameters, item, promotionInfo);
break;
//指定商品一口价
case "GOODS_ONE_PRICE":
promotionModel = result_GOODS_ONE_PRICE(parameters, item, promotionInfo);
break;
//指定商品每第几件减指定金额
case "GOODS_HALF_PRICE": //todo 指定商品每第几件减指定金额
promotionModel = result_GOODS_HALF_PRICE(parameters, item, promotionInfo);
break;
@@ -136,10 +140,12 @@ namespace CoreCms.Net.Services
}
else
{
//订单打X折
if (resultInfo.code == "ORDER_DISCOUNT")
{
result_ORDER_DISCOUNT(parameters, cart, promotionInfo);
}
//订单减指定金额
else if (resultInfo.code == "ORDER_REDUCE")
{
result_ORDER_REDUCE(parameters, cart, promotionInfo);
@@ -319,7 +325,7 @@ namespace CoreCms.Net.Services
return promotionMoney;
}
//商品第N个半价
//指定商品每第几件减指定金额
public decimal result_GOODS_HALF_PRICE(JObject parameters, CartProducts cartProducts, CoreCmsPromotion promotionInfo)
{
if (!parameters.ContainsKey("money")) return 0;
@@ -335,16 +341,21 @@ namespace CoreCms.Net.Services
var num = parameters["num"].ObjectToInt(0);
//购买的数量
var buyNum = cartProducts.nums;
//取整数，保证满足了，才优惠 ，比如设置 原价 10 第2个 减少5，购买5个产品的时候，实际只优惠2个产品的价格
var promotionNum = buyNum / num;
var pmoney = Math.Round((decimal)promotionNum * objMoney / buyNum, 2); //单品优惠的金额
var goodsPrice = (decimal)cartProducts.products.price;
cartProducts.products.price = goodsPrice - pmoney; //优惠后的平均价格
promotionMoney = Math.Round(cartProducts.nums * pmoney, 2);//优惠金额
//设置商品优惠总金额
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
//设置商品的实际销售总金额
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
if (cartProducts.nums >= num)
{
//var promotionNum = buyNum / num;
var pmoney = Math.Round(objMoney / buyNum, 2); //单品优惠的金额
var goodsPrice = (decimal)cartProducts.products.price;
cartProducts.products.price = goodsPrice - pmoney; //优惠后的平均价格
promotionMoney = Math.Round(cartProducts.nums * pmoney, 2);//优惠金额
//设置商品优惠总金额
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
//设置商品的实际销售总金额
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
}
return promotionMoney;
}