[xingyu.guo] feat: 【获取【学习会话】所有的学习残片数据，以列表返回】API

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

@@ -3,19 +3,23 @@ package com.guo.learningprogresstracker.service.impl;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
+import com.guo.learningprogresstracker.entity.StudyReportFragmentsEntity;
 import com.guo.learningprogresstracker.entity.StudySessionsEntity;
 import com.guo.learningprogresstracker.entity.TaskEntity;
 import com.guo.learningprogresstracker.enums.StudySessionStateEnum;
 import com.guo.learningprogresstracker.exception.ErrorParameterException;
 import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
 import com.guo.learningprogresstracker.mapStruct.StudySessionConvert;
+import com.guo.learningprogresstracker.mapper.StudyReportFragmentsMapper;
 import com.guo.learningprogresstracker.mapper.StudySessionsMapper;
 import com.guo.learningprogresstracker.service.StudySessionsService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 /**
 * @author guo
@@ -28,6 +32,8 @@ public class StudySessionsServiceImpl extends ServiceImpl<StudySessionsMapper, S
     implements StudySessionsService{
 
     private final TasksServiceImpl tasksServiceImpl;
+    private final StudyReportFragmentsServiceImpl studyReportFragmentsServiceImpl;
+    private final StudyReportFragmentsMapper studyReportFragmentsMapper;
 
     public StudySessionResponce startOrContinueStudySession(String taskNum) throws NotFindEntitiesException {
         // taskNum是否存在
@@ -70,6 +76,19 @@ public class StudySessionsServiceImpl extends ServiceImpl<StudySessionsMapper, S
                 .orElseThrow(() -> new ErrorParameterException("任务[" + taskNum + "]不存在进行中或暂停中的会话"));
         return StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
     }
+
+    @Override
+    public ArrayList<String> getAllFragments(String sessionNum) throws ErrorParameterException {
+        if (this.exists(Wrappers.lambdaQuery(StudySessionsEntity.class)
+                .eq(StudySessionsEntity::getSessionNum, sessionNum))) {
+            // todo guo 后续可在此补充更高级的整理方式
+            return studyReportFragmentsMapper.selectList(Wrappers.lambdaQuery(StudyReportFragmentsEntity.class)
+                            .eq(StudyReportFragmentsEntity::getSessionNum, sessionNum))
+                    .stream().map(StudyReportFragmentsEntity::getContent).collect(Collectors.toCollection(ArrayList::new));
+        }else {
+            throw new ErrorParameterException("会话[" + sessionNum + "]不存在");
+        }
+    }
 }