fix

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/calculate/promotion/GiftSharingService.java

@@ -139,6 +139,25 @@ public class GiftSharingService {
             List<CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods.GoodsDiscount> discountList = goods.getDiscounts()
                     .stream().filter(p -> activityCode.contains(p.getActivityCode())).collect(Collectors.toList());
             for (CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods.GoodsDiscount discount : discountList){
+
+                CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods oldSendGoods = goodsList.stream().filter(p -> p.getGoodsId().equals(discount.getGoodsId()) && ObjectUtils.equals(p.getCartGoodType(), 1)).findFirst().orElse(null);
+                if (oldSendGoods != null){ // 表明赠品原来有
+                    Integer goodsQuantity = oldSendGoods.getGoodsQuantity();
+                    sendQty = goodsQuantity + discount.getActualGoodsNumber();
+                    oldSendGoods.setGoodsQuantity(sendQty);
+
+
+                    Long discountAmount = oldSendGoods.getDiscountAmount();
+                    discountAmount = discountAmount + discount.getDiscount();
+                    oldSendGoods.setDiscountAmount(discountAmount);
+
+                    CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods.GoodsDiscount oldDiscount = oldSendGoods.getDiscounts().stream().filter(p -> p.getActivityCode().equals(discount.getActivityCode()) && ObjectUtils.equals(p.getType(), ActivityTypeEnum.TYPE_1040.getCode())).findFirst().orElse(null);
+                    if (oldDiscount != null){
+                        oldDiscount.setActualGoodsNumber(sendQty);
+                        oldDiscount.setDiscount(discountAmount);
+                    }
+
+                } else {
                     CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods sendGoods = new CalculationSharingDiscountResponseDto.CalculationDiscountResult.Goods();
                     sendGoods.setCartGoodsUid(UUID.randomUUID().toString());
                     sendGoods.setGoodsId(discount.getGoodsId());
@@ -163,6 +182,7 @@ public class GiftSharingService {
                     sendGoods.setDiscounts(goodsDiscounts);
                     goodsList.add(sendGoods);
                     sendQty += discount.getActualGoodsNumber();
+                }
                 if (goods.getDiscountAmount() != null && discount.getDiscount() != null){
                     goods.setDiscountAmount(goods.getDiscountAmount() - discount.getDiscount());
                 }