[xingyu.guo] feat: 1. 抽取通用url 2. 完成【通过学习任务num获取该任务的未结束会话】API 3. 优化【通过sessionNum获取一个【学习会话】】API名称

src/main/java/com/guo/learningprogresstracker/service/StudySessionsService.java

@@ -1,7 +1,9 @@
 package com.guo.learningprogresstracker.service;
 
+import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
 import com.guo.learningprogresstracker.entity.StudySessionsEntity;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.guo.learningprogresstracker.exception.ErrorParameterException;
 
 /**
 * @author guo
@@ -10,4 +12,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
 */
 public interface StudySessionsService extends IService<StudySessionsEntity> {
 
+    StudySessionResponce getNotEndedStudySessionByTaskNum(String taskNum) throws ErrorParameterException;
 }

src/main/java/com/guo/learningprogresstracker/service/impl/StudySessionsServiceImpl.java

@@ -61,6 +61,15 @@ public class StudySessionsServiceImpl extends ServiceImpl<StudySessionsMapper, S
         studySessionsEntity.pausedStudySession();
         this.updateById(studySessionsEntity);
     }
+
+    @Override
+    public StudySessionResponce getNotEndedStudySessionByTaskNum(String taskNum) throws ErrorParameterException {
+        StudySessionsEntity studySessionsEntity = this.getOneOpt(Wrappers.lambdaQuery(StudySessionsEntity.class)
+                        .eq(StudySessionsEntity::getTaskNum, taskNum)
+                        .ne(StudySessionsEntity::getSessionState, StudySessionStateEnum.ENDED.name()))
+                .orElseThrow(() -> new ErrorParameterException("任务[" + taskNum + "]不存在进行中或暂停中的会话"));
+        return StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
+    }
 }