修改标签，话题的接收形式

src/main/java/cn/meteor/beyondclouds/modules/question/api/QuestionApi.java

@@ -72,7 +72,7 @@ public class QuestionApi {
         question.setUserId((String) subject.getId());
 
         //祛除重复标签
-        HashSet<String> tags = QuestionUtils.toHashSet(questionForm.getTags());
+        HashSet<String> tags = QuestionUtils.toHashSet(questionForm.getTagIds());
 
         //祛除重复话题
         HashSet<String> topicIds = QuestionUtils.toHashSet(questionForm.getTopicIds());
@@ -132,11 +132,14 @@ public class QuestionApi {
         question.setUserId((String) subject.getId());
 
         //4.祛除重复标签
-        HashSet<String> tags = QuestionUtils.toHashSet(questionForm.getTags());
+        HashSet<String> tags = QuestionUtils.toHashSet(questionForm.getTagIds());
 
-        //5.修改问题
+        //5.祛除重复话题
+        HashSet<String> topicIds = QuestionUtils.toHashSet(questionForm.getTopicIds());
+
+        //6.修改问题
         try {
-            questionService.updateQuestion(question, questionForm.getQuestionDetail(), tags);
+            questionService.updateQuestion(question, questionForm.getQuestionDetail(), tags, topicIds);
             return Response.success();
         } catch (QuestionServiceException e) {
             e.printStackTrace();

src/main/java/cn/meteor/beyondclouds/modules/question/bean/QuestionDetails.java

@@ -2,6 +2,7 @@ package cn.meteor.beyondclouds.modules.question.bean;
 
 import cn.meteor.beyondclouds.modules.question.entity.Question;
 import cn.meteor.beyondclouds.modules.tag.entity.Tag;
+import cn.meteor.beyondclouds.modules.topic.entity.Topic;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -25,4 +26,7 @@ public class QuestionDetails extends Question {
     @ApiModelProperty("标签")
     private List<Tag> tags;
 
+    @ApiModelProperty("话题")
+    private List<Topic> topics;
+
 }

src/main/java/cn/meteor/beyondclouds/modules/question/form/QuestionForm.java

@@ -35,11 +35,11 @@ public class QuestionForm {
 
     @ApiModelProperty("标签")
     @Size(max = 12, message = "问题标签个数不能超过5个")
-    private String tags;
+    private List<String> tagIds;
 
     @ApiModelProperty("详情")
     private String questionDetail;
 
     @ApiModelProperty("话题ID")
-    private String topicIds;
+    private List<String> topicIds;
 }

src/main/java/cn/meteor/beyondclouds/modules/question/service/IQuestionService.java

@@ -45,9 +45,10 @@ public interface IQuestionService extends IService<Question> {
      * @param question 问题基本信息
      * @param questionDetail 问题详细信息
      * @param tags 问题标签
+     * @param topicIds 话题ID
      * @throws QuestionServiceException 问题业务异常
      */
-    void updateQuestion(Question question, String questionDetail, HashSet<String> tags) throws QuestionServiceException;
+    void updateQuestion(Question question, String questionDetail, HashSet<String> tags, HashSet<String> topicIds) throws QuestionServiceException;
 
 
     /**

src/main/java/cn/meteor/beyondclouds/modules/question/service/impl/QuestionServiceImpl.java

@@ -24,6 +24,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
 
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -110,10 +111,8 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
         Iterator<String> iterator = topicIds.iterator();
         TopicReference topicReference = null;
         while (iterator.hasNext()) {
-            System.out.println("============");
             Topic topic = topicService.getById(iterator.next());
             if (topic == null) {
-                System.out.println("111111111111");
                 continue;
             }
 
@@ -165,10 +164,13 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
         //7.删除question表中的问题信息
         removeById(questionId);
 
+        //8.删除话题引用表中的问题信息
+        topicReferenceService.remove(QuestionUtils.getWrapper("referencer_id",question.getQuestionId()));
+
     }
 
     @Override
-    public void updateQuestion(Question question, String questionDetail, HashSet<String> tags) throws QuestionServiceException {
+    public void updateQuestion(Question question, String questionDetail, HashSet<String> tags, HashSet<String> topicIds) throws QuestionServiceException {
         //1.判断自己是否发布过此问题
         QueryWrapper<Question> questionQueryWrapper = new QueryWrapper<>();
         questionQueryWrapper.eq("question_id",question.getQuestionId())
@@ -205,6 +207,34 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
         //4.更新问题标签
         questionTagService.remove(QuestionUtils.getWrapper("question_id",question.getQuestionId()));
         questionTagService.saveQuestionTag(tags,question.getQuestionId());
+
+        //5.更新话题
+
+        //删除以前的话题信息
+        topicReferenceService.remove(QuestionUtils.getWrapper("referencer_id",question.getQuestionId()));
+
+        //保存更新后的话题信息
+        Iterator<String> iterator = topicIds.iterator();
+        TopicReference topicReference = null;
+        while (iterator.hasNext()) {
+            Topic topic = topicService.getById(iterator.next());
+            if (topic == null) {
+                continue;
+            }
+
+            //保存话题引用信息
+            topicReference = new TopicReference();
+            topicReference.setTopicId(topic.getTopicId());
+            topicReference.setReferencerId(question.getQuestionId());
+            topicReference.setReferencerType(2);
+            topicReferenceService.save(topicReference);
+
+            //更新话题引用次数
+            UpdateWrapper<Topic> updateWrapper = new UpdateWrapper<>();
+            updateWrapper.set("reference_count",topic.getReferenceCount()+1)
+                    .eq("topic_id",topic.getTopicId());
+            topicService.update(updateWrapper);
+        }
     }
 
     @Override
@@ -223,12 +253,20 @@ public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> i
         //4.获取问题标签
         List<Tag> tags = questionTagService.getQuestionTags(questionId);
 
+        //5.获取话题详情
+        List<TopicReference> references = topicReferenceService.list(QuestionUtils.getWrapper("referencer_id", question.getQuestionId()));
+        List<Topic> topics = new ArrayList<>();
+        for (TopicReference topicReference : references ) {
+            topics.add(topicService.getById(topicReference.getTopicId()));
+        }
+
         //5.生成问题详情对象
         QuestionDetails questionDetails = new QuestionDetails();
         BeanUtils.copyProperties(question,questionDetails);
         questionDetails.setQuestionDetail(questionExt.getQuestionDetail());
         questionDetails.setTags(tags);
         questionDetails.setCategory(questionCategoryService.getById(question.getCategoryId()).getCategory());
+        questionDetails.setTopics(topics);
         return questionDetails;
     }
 

src/main/java/cn/meteor/beyondclouds/modules/question/util/QuestionUtils.java

@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.List;
 
 /**
  * @author 胡学良
@@ -26,15 +27,13 @@ public class QuestionUtils {
 
     /**
      * 处理标签
-     * @param tags 标签
-     * @return
+     * @param tagIdList 标签
+     * @return Set
      */
-    public static HashSet<String> toHashSet(String tags){
-        StringBuilder stringBuilder = new StringBuilder(tags);
-        stringBuilder.deleteCharAt(0);
-        stringBuilder.deleteCharAt(stringBuilder.length()-1);
-        String[] tag = stringBuilder.toString().split(",");
-        return new HashSet<String>(Arrays.asList(tag));
+    public static HashSet<String> toHashSet(List<String> tagIdList){
+        HashSet<String> tagIds = new HashSet<>();
+        tagIds.addAll(tagIdList);
+        return tagIds;
     }
 
 }