微信小程序分类查询(优惠券错误)完成

guigu-ssyx-parent/service/service-activity/src/main/java/com/atguigu/ssyx/activity/api/ActivityApiController.java

@@ -0,0 +1,37 @@
+package com.atguigu.ssyx.activity.api;
+
+import com.atguigu.ssyx.activity.service.ActivityInfoService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * ClassName: ActivityInfoController
+ * Package: com.atguigu.ssyx.activity.api
+ *
+ * @author yovinchen
+ * @Create 2023/9/26 14:12
+ */
+@Api(tags = "促销与优惠券接口")
+@RestController
+@RequestMapping("/api/activity")
+@Slf4j
+public class ActivityApiController {
+
+    @Resource
+    private ActivityInfoService activityInfoService;
+
+    @ApiOperation(value = "根据skuId列表获取促销信息")
+    @PostMapping("inner/findActivity")
+    public Map<Long, List<String>> findActivity(@RequestBody List<Long> skuIdList) {
+        return activityInfoService.findActivity(skuIdList);
+    }
+}

guigu-ssyx-parent/service/service-activity/src/main/java/com/atguigu/ssyx/activity/mapper/ActivityInfoMapper.java

@@ -19,7 +19,19 @@ import java.util.List;
 @Repository
 public interface ActivityInfoMapper extends BaseMapper<ActivityInfo> {
 
-    List<ActivityRule> selectActivityRuleList(Long skuId);
-
+    /**
+     * 查询两张表判断 activity_info 和 activity_sku，编写SQL语句实现
+     *
+     * @param skuIdList
+     * @return
+     */
     List<Long> selectSkuIdListExist(@Param("skuIdList") List<Long> skuIdList);
+
+    /**
+     * 根据skuId进行查询，查询sku对应活动里面规则列表
+     *
+     * @param skuId
+     * @return
+     */
+    List<ActivityRule> findActivityRule(Long skuId);
 }

guigu-ssyx-parent/service/service-activity/src/main/java/com/atguigu/ssyx/activity/service/ActivityInfoService.java

@@ -2,7 +2,6 @@ package com.atguigu.ssyx.activity.service;
 
 
 import com.atguigu.ssyx.model.activity.ActivityInfo;
-import com.atguigu.ssyx.model.activity.ActivityRule;
 import com.atguigu.ssyx.model.product.SkuInfo;
 import com.atguigu.ssyx.vo.activity.ActivityRuleVo;
 import com.baomidou.mybatisplus.core.metadata.IPage;
@@ -55,10 +54,10 @@ public interface ActivityInfoService extends IService<ActivityInfo> {
     List<SkuInfo> findSkuInfoByKeyword(String keyword);
 
     /**
-     * 根据skuId获取促销规则信息
+     * 根据skuId列表获取促销信息
      *
-     * @param skuId
+     * @param skuIdList
      * @return
      */
-    List<ActivityRule> findActivityRule(Long skuId);
+    Map<Long, List<String>> findActivity(List<Long> skuIdList);
 }

guigu-ssyx-parent/service/service-activity/src/main/java/com/atguigu/ssyx/activity/service/impl/ActivityInfoServiceImpl.java

@@ -172,23 +172,6 @@ public class ActivityInfoServiceImpl extends ServiceImpl<ActivityInfoMapper, Act
         return findSkuList;
     }
 
-    /**
-     * 查询商品获取规则数据
-     *
-     * @param skuId
-     * @return
-     */
-    @Override
-    public List<ActivityRule> findActivityRule(Long skuId) {
-        List<ActivityRule> activityRuleList = activityInfoMapper.selectActivityRuleList(skuId);
-        if (!CollectionUtils.isEmpty(activityRuleList)) {
-            for (ActivityRule activityRule : activityRuleList) {
-                activityRule.setRuleDesc(this.getRuleDesc(activityRule));
-            }
-        }
-        return activityRuleList;
-    }
-
     private String getRuleDesc(ActivityRule activityRule) {
         ActivityType activityType = activityRule.getActivityType();
         StringBuffer ruleDesc = new StringBuffer();
@@ -207,4 +190,32 @@ public class ActivityInfoServiceImpl extends ServiceImpl<ActivityInfoMapper, Act
         }
         return ruleDesc.toString();
     }
+
+    /**
+     * 根据skuId列表获取促销信息
+     *
+     * @param skuIdList
+     * @return
+     */
+    @Override
+    public Map<Long, List<String>> findActivity(List<Long> skuIdList) {
+        Map<Long, List<String>> result = new HashMap<>();
+        //skuIdList遍历，得到每个skuId
+        skuIdList.forEach(skuId -> {
+            //根据skuId进行查询，查询sku对应活动里面规则列表
+            List<ActivityRule> activityRuleList = baseMapper.findActivityRule(skuId);
+            //数据封装，规则名称
+            if (!CollectionUtils.isEmpty(activityRuleList)) {
+                List<String> ruleList = new ArrayList<>();
+                //把规则名称处理
+                for (ActivityRule activityRule : activityRuleList) {
+                    ruleList.add(this.getRuleDesc(activityRule));
+                }
+                result.put(skuId, ruleList);
+            }
+        });
+        return result;
+    }
+
+
 }

guigu-ssyx-parent/service/service-activity/src/main/resources/mapper/ActivityInfoMapper.xml

@@ -58,13 +58,13 @@
 
     <!--//根据skuId进行查询，查询sku对应活动里面规则列表-->
     <select id="findActivityRule" resultMap="ActivityRuleMap">
-        select info.activity_type as activityType,
-               rule.id,
-               rule.activity_id,
-               rule.condition_amount,
-               rule.condition_num,
-               rule.benefit_amount,
-               rule.benefit_discount
+        select DISTINCT rule.id,
+                        info.activity_type as activityType,
+                        rule.activity_id,
+                        rule.condition_amount,
+                        rule.condition_num,
+                        rule.benefit_amount,
+                        rule.benefit_discount
         from activity_info info
                  inner join activity_sku sku on info.id = sku.activity_id
                  inner join activity_rule rule on info.id = rule.activity_id
@@ -89,6 +89,4 @@
         </where>
         and now() between info.start_time and info.end_time
     </select>
-    <select id="selectActivityRuleList" resultType="com.atguigu.ssyx.model.activity.ActivityRule"></select>
-
 </mapper>