订单折扣-优化单价算法

chenjiahe

2024-08-02 72cf503c26d824cd2cc612dd222abaf552890e97

订单折扣-优化单价算法

 phi_platform_user/src/main/java/com/hx/phip/util/api/OrderCreateUtil.java

@@ -2296,11 +2296,18 @@
        OrderItemSon orderItemSon;
        SqlSentence sqlSentence;
        JSONArray jsonArray;
        //已付积分
        //父类的应付总积分
        BigDecimal integralTotal = vo.getShouldTotalPoints();
        //父类的应付总金额
        BigDecimal infoTotal = vo.getActualTotal();
        //父类的总金额
        BigDecimal parentTotal = vo.getProPrice().multiply(new BigDecimal(vo.getBuyNum())).setScale(2,RoundingMode.HALF_UP);

        //比例
        BigDecimal proportion;
        PromotionInfo promotionInfo;


        for(int i= 0;i<promotionInfoList.size();i++){
            promotionInfo = promotionInfoList.get(i);
            jsonArray=new JSONArray();
@@ -2485,29 +2492,46 @@
            orderItemSon.setDiscount(vo.getDiscount());
            orderItemSon.setDiscountAlgorithm(vo.getDiscountAlgorithm());

            if(orderItemSon.getDiscountAlgorithm() == OrderItemConstants.DISCOUNT_ALGORITHM_TOTAL){
            /*if(orderItemSon.getDiscountAlgorithm() == OrderItemConstants.DISCOUNT_ALGORITHM_TOTAL){
                //订单售价=促销单价*订单折扣
                orderItemSon.setCurPrice(orderItemSon.getProPrice());
            }else{
                //订单售价=促销单价*订单折扣
                orderItemSon.setCurPrice(orderItemSon.getProPrice().multiply(orderItemSon.getDiscount().divide(new BigDecimal(100),15,RoundingMode.HALF_UP)).setScale(2,RoundingMode.HALF_UP));
            }
            }*/

            //优惠前小计=订单售价*数量
            //计算
            BigDecimal total = promotionInfo.getDiscountAfterPrice().multiply(new BigDecimal(vo.getBuyNum())).setScale(2,RoundingMode.HALF_UP);
            if(orderItemSon.getDiscountAlgorithm() == OrderItemConstants.DISCOUNT_ALGORITHM_TOTAL){

            if(i == (promotionInfoList.size()-1)){
                //是否最后一个
                orderItemSon.setTotal(infoTotal);
            }else{
                if(parentTotal.compareTo(BigDecimal.ZERO) > 0){
                    proportion = total.divide(parentTotal,15,RoundingMode.HALF_UP);
                }else{
                    proportion = BigDecimal.ZERO;
                }
                //根据比例算出积分
                orderItemSon.setTotal(vo.getActualTotal().multiply(proportion).setScale(2,RoundingMode.HALF_UP));
                if(orderItemSon.getTotal().compareTo(infoTotal) > 0){
                    orderItemSon.setTotal(infoTotal);
                }
            }
            infoTotal = infoTotal.subtract(orderItemSon.getTotal());

            /*if(orderItemSon.getDiscountAlgorithm() == OrderItemConstants.DISCOUNT_ALGORITHM_TOTAL){
                orderItemSon.setTotal(promotionInfo.getDiscountAfterPrice().multiply(new BigDecimal(vo.getBuyNum())).setScale(2,RoundingMode.HALF_UP));
                orderItemSon.setTotal(orderItemSon.getTotal().multiply(vo.getDiscount().divide(new BigDecimal(100),15,RoundingMode.HALF_UP)).setScale(2,RoundingMode.HALF_UP));
                orderItemSon.setDiscountMoney(orderItemSon.getTotal().divide(new BigDecimal(orderItemSon.getBuyNum()),5,RoundingMode.HALF_UP));
                //折扣金额
                orderItemSon.setDiscountOrderPrice(total.subtract(orderItemSon.getTotal()));
            }else{
                //优惠前小计=订单售价*数量
                orderItemSon.setTotal(total.multiply(orderItemSon.getDiscount().divide(new BigDecimal(100),15,RoundingMode.HALF_UP)).setScale(2,RoundingMode.HALF_UP));
                //折扣金额
                orderItemSon.setDiscountOrderPrice(total.subtract(orderItemSon.getTotal()));
                orderItemSon.setDiscountMoney(orderItemSon.getTotal().divide(new BigDecimal(orderItemSon.getBuyNum()),5,RoundingMode.HALF_UP));
            }
            }*/

            //折扣金额
            orderItemSon.setDiscountOrderPrice(total.subtract(orderItemSon.getTotal()));
            orderItemSon.setDiscountMoney(orderItemSon.getTotal().divide(new BigDecimal(orderItemSon.getBuyNum()),5,RoundingMode.HALF_UP));
            orderItemSon.setCurPrice(orderItemSon.getDiscountMoney().setScale(2,RoundingMode.HALF_UP));

            //优惠券抵扣金额
            orderItemSon.setDiscountPrice(BigDecimal.ZERO);