新增热搜话题接口

src/main/java/cn/meteor/beyondclouds/modules/topic/api/TopicApi.java

@@ -205,4 +205,15 @@ public class TopicApi {
         }
 
     }
+
+    @Anonymous
+    @ApiOperation("热搜话题")
+    @GetMapping("/topic/hotSearch")
+    public Response<?> hotSearchTopics(@Valid PageForm pageForm, BindingResult bindingResult) {
+        if (bindingResult.hasErrors()) {
+            return Response.fieldError(bindingResult.getFieldError());
+        }
+        PageDTO<TopicDTO> topicDTOPage = topicService.getHotSearchTopics(pageForm.getPage(), pageForm.getSize());
+        return Response.success(topicDTOPage);
+    }
 }

src/main/java/cn/meteor/beyondclouds/modules/topic/mapper/TopicMapper.java

@@ -2,6 +2,8 @@ package cn.meteor.beyondclouds.modules.topic.mapper;
 
 import cn.meteor.beyondclouds.modules.topic.entity.Topic;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import org.springframework.stereotype.Component;
 
 import java.util.List;
@@ -23,4 +25,11 @@ public interface TopicMapper extends BaseMapper<Topic> {
      * @return
      */
     List<Topic> searchTopics(String keywords);
+
+    /**
+     * 热搜话题
+     * @param topicPage
+     * @return
+     */
+    IPage<Topic> selectHotSearchPage(Page<Topic> topicPage);
 }

src/main/java/cn/meteor/beyondclouds/modules/topic/mapper/xml/TopicMapper.xml

@@ -5,4 +5,12 @@
     <select id="searchTopics" resultType="cn.meteor.beyondclouds.modules.topic.entity.Topic">
          select * from topic where topic_name like CONCAT('%',#{keywords},'%')
     </select>
+
+    <select id="selectHotSearchPage" resultType="cn.meteor.beyondclouds.modules.topic.entity.Topic">
+        SELECT t.*
+        FROM topic t, search_degree  sd
+        WHERE t.topic_id = sd.item_id
+        AND sd.item_type = 'TOPIC'
+        ORDER BY sd.degree DESC;
+    </select>
 </mapper>

src/main/java/cn/meteor/beyondclouds/modules/topic/service/ITopicService.java

@@ -153,4 +153,13 @@ public interface ITopicService extends IService<Topic> {
      * @return
      */
     List<Topic> queryAndCreateByTopicNames(List<String> topicNames, String userId);
+
+    /**
+     * 获取热搜话题
+     * @return
+     * @param pageNumber
+     * @param pageSize
+     */
+    PageDTO<TopicDTO> getHotSearchTopics(Integer pageNumber, Integer pageSize);
+
 }

src/main/java/cn/meteor/beyondclouds/modules/topic/service/impl/TopicServiceImpl.java

@@ -546,6 +546,11 @@ public class TopicServiceImpl extends ServiceImpl<TopicMapper, Topic> implements
         return topics;
     }
 
+    @Override
+    public PageDTO<TopicDTO> getHotSearchTopics(Integer pageNumber, Integer pageSize) {
+        IPage<Topic> topicPage = topicMapper.selectHotSearchPage(new Page<Topic>(pageNumber, pageSize));
+        return toPageDTO(topicPage);
+    }
 
 
 }