package com.gkhy.exam.system.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gkhy.exam.common.constant.CacheConstant;
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import com.gkhy.exam.common.enums.ResourceTypeEnum;
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import com.gkhy.exam.common.exception.ApiException;
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import com.gkhy.exam.common.utils.RedisUtils;
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import com.gkhy.exam.system.domain.*;
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import com.gkhy.exam.system.domain.vo.StudentStudyPeriodVO;
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import com.gkhy.exam.system.domain.vo.StudentStudyVO;
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import com.gkhy.exam.system.mapper.ExCoursePhaseMapper;
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import com.gkhy.exam.system.mapper.ExResourceMapper;
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import com.gkhy.exam.system.mapper.ExStudentStudyMapper;
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import com.gkhy.exam.system.service.ExCourseChapterService;
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import com.gkhy.exam.system.service.ExStudentStudyService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 课程学习学习日志表 服务实现类
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* </p>
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*
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* @author kzy
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* @since 2024-06-06 13:53:17
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*/
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@Service
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public class ExStudentStudyServiceImpl extends ServiceImpl<ExStudentStudyMapper, ExStudentStudy> implements ExStudentStudyService {
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@Autowired
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private ExCourseChapterService courseChapterService;
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@Autowired
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private ExCoursePhaseMapper coursePhaseMapper;
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@Autowired
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private ExResourceMapper resourceMapper;
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@Autowired
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private RedisUtils redisUtils;
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@Override
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public Long insertStudentStudy(ExStudentStudy studentStudy) {
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int row=0;
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ExStudentStudy existStudentStudy=baseMapper.selectStudyByObject(studentStudy);
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if(existStudentStudy!=null){
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studentStudy.setId(existStudentStudy.getId());
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row=baseMapper.updateById(existStudentStudy);
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}else{
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row=baseMapper.insert(studentStudy);
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if(row<1){
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throw new ApiException("新增学习记录失败");
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}
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}
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System.out.println("student_study id:"+studentStudy.getId());
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return studentStudy.getId();
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}
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@Override
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public int deleteStudentStudyById(Long studyId) {
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return baseMapper.deleteById(studyId);
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}
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@Override
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public List<StudentStudyVO> selectStudyByPhaseAndStundentId(Long phaseId,Long studentId,Integer status) {
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ExCoursePhase coursePhase=coursePhaseMapper.selectById(phaseId);
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Long courseId=coursePhase.getCourseId();
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List<ExStudentStudy> studentStudyList= baseMapper.selectStudyByPhaseAndStudentId(phaseId,courseId,studentId);
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Map<Long,ExStudentStudy> studentStudyMap=studentStudyList.stream().collect(Collectors.toMap(ExStudentStudy::getPeriodId, item->item));
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List<ExCourseChapter> courseChapterList=courseChapterService.selectChapterByCourseId(courseId, status);
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List<StudentStudyVO> studentStudyVOList=courseChapterList.stream().map(item ->{
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StudentStudyVO studentStudyVO=new StudentStudyVO();
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studentStudyVO.setChapterId(item.getId());
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studentStudyVO.setCourseId(item.getCourseId());
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studentStudyVO.setChapterName(item.getName());
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List<StudentStudyPeriodVO> studentStudyPeriodVOList=new ArrayList<>();
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for(ExCourseChapterPeriod courseChapterPeriod:item.getChapterPeriods()){
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StudentStudyPeriodVO studentStudyPeriodVO=new StudentStudyPeriodVO();
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studentStudyPeriodVO.setPeriodName(courseChapterPeriod.getName());
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studentStudyPeriodVO.setPeriodId(courseChapterPeriod.getId());
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studentStudyPeriodVO.setPeriod(courseChapterPeriod.getPeriod());
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studentStudyPeriodVO.setResourceId(courseChapterPeriod.getResourceId());
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studentStudyPeriodVO.setResourceType(courseChapterPeriod.getResource()!=null?courseChapterPeriod.getResource().getResourceType():null);
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ExStudentStudy exStudentStudy=studentStudyMap.get(courseChapterPeriod.getId());
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if(exStudentStudy!=null){
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studentStudyPeriodVO.setProgress(exStudentStudy.getProgress());
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studentStudyPeriodVO.setCreateTime(exStudentStudy.getCreateTime());
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studentStudyPeriodVO.setUpdateTime(exStudentStudy.getUpdateTime());
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studentStudyPeriodVO.setStudyId(exStudentStudy.getId());
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}
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studentStudyPeriodVOList.add(studentStudyPeriodVO);
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}
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studentStudyVO.setStudentStudyPeriodVOList(studentStudyPeriodVOList);
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return studentStudyVO;
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}).collect(Collectors.toList());
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return studentStudyVOList;
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}
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@Override
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public void progress(ExStudentStudy studentStudy) {
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if(studentStudy.getId()==null||studentStudy.getPhaseId()==null||studentStudy.getPeriodId()==null||studentStudy.getStudentId()==null||studentStudy.getResourceId()==null){
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throw new ApiException("参数传参错误");
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}
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ExResource resource=resourceMapper.selectById(studentStudy.getResourceId());
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if (ResourceTypeEnum.AUDIO.getCode().equals(resource.getResourceType()) || ResourceTypeEnum.VIDEO.getCode().equals(resource.getResourceType())) {
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// 音视频处理
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if (new BigDecimal(resource.getResourceLength()).subtract(new BigDecimal(studentStudy.getCurrentDuration())).intValue() < 1) {
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// 学习完成
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completeStudy(studentStudy);
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}
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} else if (ResourceTypeEnum.DOC.getCode().equals(resource.getResourceType())) {
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// 文档类型处理
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// if (studentStudy.getCurrentPage().compareTo(resource.getDocPage()) >= 0) {
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// // 学习完成
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// completeStudy(studentStudy);
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// }
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// 学习完成
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completeStudy(studentStudy);
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}
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redisUtils.set(CacheConstant.STUDY_PROCESS_KEY + studentStudy.getId(), studentStudy, 1, TimeUnit.DAYS);
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}
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private void completeStudy(ExStudentStudy studentStudy) {
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studentStudy.setProgress(BigDecimal.valueOf(100));
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// 更新观看记录
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baseMapper.updateById(studentStudy);
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}
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}
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