fix 属性均摊价格显示问题

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/ShoppingCartNewServiceImpl.java

@@ -2065,7 +2065,7 @@ public class ShoppingCartNewServiceImpl implements ShoppingCartNewService {
         XyDiscountServiceImpl xyDiscountService = (XyDiscountServiceImpl) PromotionFactory.getPromotionService(ShoppingCartPromotionEnum.XY_DISCOUNT);
         xyDiscountService.updateShoppingCartGoodsApportion(shoppingCartGoodsResponseVo, calculationDiscountResult, shoppingCartGoodsDto, premiumExchangeActivity, shoppingCartInfoRequestVo);
 
-        //xy折
+        //满赠
         BuyAndGiftsPromotionService buyAndGiftsPromotionService = (BuyAndGiftsPromotionService) PromotionFactory.getPromotionService(ShoppingCartPromotionEnum.BUY_GIFTS);
         buyAndGiftsPromotionService.updateShoppingCartGoodsApportion(shoppingCartGoodsResponseVo, calculationDiscountResult, shoppingCartGoodsDto, premiumExchangeActivity, shoppingCartInfoRequestVo);
 

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

@@ -446,8 +446,14 @@ public class CalculationCommonService {
             cartGoodsDetailDto.setOriginalPrice(cartGoods.getOriginalPrice());
         }
         if (calculationGoods!=null) {
-            cartGoodsDetailDto.setTotalDiscountAmount(calculationGoods.getDiscountAmount().intValue());
-            //cartGoodsDetailDto.setOriginalPrice(calculationGoods.getOriginalPrice());
+            if (cartGoodsDetailDto.getIsSendGoods()) {
+                // 由于买赠活动中，赠品有属性的时候会裂为多行，所有优惠金额不能直接用促销返回的， 需要根据实际购物车行中的数量来计算
+                int discountAmt = calculationGoods.getDiscountAmount().intValue();
+                int discountCount = calculationGoods.getGoodsQuantity();
+                cartGoodsDetailDto.setTotalDiscountAmount(discountAmt / discountCount * cartGoods.getQty());
+            } else {
+                cartGoodsDetailDto.setTotalDiscountAmount(calculationGoods.getDiscountAmount().intValue());
+            }
         }
         else {
             cartGoodsDetailDto.setTotalDiscountAmount(cartGoods.getOriginalAmount().intValue() - cartGoods.getAmount().intValue());