已销售数量根据实际下单调整

ghy-goods/src/main/java/com/ghy/goods/mapper/GoodsStandardMapper.java

@@ -52,4 +52,7 @@ public interface GoodsStandardMapper {
      * @param goodsId 商品ID
      */
     int deleteByGoodsId(Long goodsId);
+
+    int updateSaleNum(GoodsStandard goodsStandard);
+
 }

ghy-goods/src/main/java/com/ghy/goods/service/GoodsStandardService.java

@@ -1,5 +1,6 @@
 package com.ghy.goods.service;
 
+import com.ghy.goods.domain.Goods;
 import com.ghy.goods.domain.GoodsStandard;
 import com.ghy.goods.request.AppGoodsRequest;
 
@@ -50,4 +51,7 @@ public interface GoodsStandardService {
      * 全量保存
      */
     int save(List<GoodsStandard> goodsStandardList);
+
+    int updateSaleNum(GoodsStandard goodsStandard);
+
 }

ghy-goods/src/main/java/com/ghy/goods/service/impl/GoodsServiceImpl.java

@@ -76,6 +76,9 @@ public class GoodsServiceImpl implements GoodsService {
         for (AppGoodsRequest appGoodsRequest : goodsList) {
             GoodsStandard goodsStandard = goodsStandardService.selectById(appGoodsRequest.getGoodsStandardId());
             totalPay = totalPay.add(goodsStandard.getGoodsPrice().multiply(BigDecimal.valueOf(appGoodsRequest.getNum())));
+            //修改已售数量
+            goodsStandard.setSaleNum(goodsStandard.getSaleNum() + appGoodsRequest.getNum());
+            goodsStandardService.updateSaleNum(goodsStandard);
         }
         return totalPay;
     }

ghy-goods/src/main/java/com/ghy/goods/service/impl/GoodsStandardServiceImpl.java

@@ -67,4 +67,8 @@ public class GoodsStandardServiceImpl implements GoodsStandardService {
         return goodsStandardMapper.batchInsert(goodsStandardList);
     }
 
+    @Override
+    public int updateSaleNum(GoodsStandard goodsStandard) {
+        return goodsStandardMapper.updateSaleNum(goodsStandard);
+    }
 }

ghy-goods/src/main/resources/mapper/goods/GoodsStandardMapper.xml

@@ -102,4 +102,14 @@
         DELETE FROM goods_standard
         WHERE goods_id = #{goodsId}
     </delete>
+    
+    <update id="updateSaleNum">
+        update
+            goods_standard
+        set
+            sale_num = #{saleNum}
+        where
+            goods_standard_id = #{goodsStandardId}
+    </update>
+
 </mapper>