66 lines
3.1 KiB
Java
66 lines
3.1 KiB
Java
package com.guo.learningprogresstracker.service.impl;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.guo.learningprogresstracker.dto.response.StudySessionResponce;
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import com.guo.learningprogresstracker.entity.StudySessionsEntity;
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import com.guo.learningprogresstracker.entity.TaskEntity;
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import com.guo.learningprogresstracker.enums.StudySessionStateEnum;
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import com.guo.learningprogresstracker.exception.ErrorParameterException;
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import com.guo.learningprogresstracker.exception.NotFindEntitiesException;
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import com.guo.learningprogresstracker.mapStruct.StudySessionConvert;
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import com.guo.learningprogresstracker.mapper.StudySessionsMapper;
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import com.guo.learningprogresstracker.service.StudySessionsService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.util.Optional;
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/**
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* @author guo
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* @description 针对表【study_sessions(记录每次学习会话的具体数据)】的数据库操作Service实现
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* @createDate 2024-06-09 15:28:48
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*/
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@Service
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@RequiredArgsConstructor
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public class StudySessionsServiceImpl extends ServiceImpl<StudySessionsMapper, StudySessionsEntity>
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implements StudySessionsService{
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private final TasksServiceImpl tasksServiceImpl;
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public StudySessionResponce startOrContinueStudySession(String taskNum) throws NotFindEntitiesException {
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// taskNum是否存在
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tasksServiceImpl.getOneOpt(Wrappers.lambdaQuery(TaskEntity.class).eq(TaskEntity::getTaskNum, taskNum))
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.orElseThrow(() -> new NotFindEntitiesException(String.format("[%s]不存在",taskNum)));
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// 任务taskNum下是否存在非"已结束"的学习会话
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Optional<StudySessionsEntity> oneOpt = this.getOneOpt(Wrappers.<StudySessionsEntity>lambdaQuery()
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.eq(StudySessionsEntity::getTaskNum, taskNum)
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.ne(StudySessionsEntity::getSessionState, StudySessionStateEnum.ENDED.name()));
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// 有则返回该未完成会话，否则创建新的会话
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if (oneOpt.isEmpty()) {
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// 返回一个新的会话
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StudySessionsEntity studySessionsEntity = StudySessionsEntity.initNewSession();
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studySessionsEntity.setTaskNum(taskNum);
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this.save(studySessionsEntity);
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return StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
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}else {
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// 返回已经存在的会话
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StudySessionsEntity studySessionsEntity = oneOpt.get();
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studySessionsEntity.continueStudySession();
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this.updateById(studySessionsEntity);
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return StudySessionConvert.MAPPER.toStudySessionResponce(studySessionsEntity);
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}
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}
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public void pauseStudySession(String sessionId) throws ErrorParameterException {
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StudySessionsEntity studySessionsEntity = this.getOptById(sessionId)
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.orElseThrow(() -> new ErrorParameterException("会话[" + sessionId + "]不存在"));
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studySessionsEntity.pausedStudySession();
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this.updateById(studySessionsEntity);
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}
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}
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