package com.gkhy.exam.institutionalaccess.service.serviceImpl;
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import com.gkhy.exam.institutionalaccess.entity.ThBatchCourse;
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import com.gkhy.exam.institutionalaccess.entity.ThCourse;
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import com.gkhy.exam.institutionalaccess.entity.ThCourseChapter;
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import com.gkhy.exam.institutionalaccess.entity.ThStudentBatch;
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import com.gkhy.exam.institutionalaccess.enums.FinishStatus;
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import com.gkhy.exam.institutionalaccess.model.query.ThCourseQuery;
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import com.gkhy.exam.institutionalaccess.model.resp.ThCourseChapterRespDTO;
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import com.gkhy.exam.institutionalaccess.model.resp.ThCourseRespDTO;
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import com.gkhy.exam.institutionalaccess.model.resp.ThStudentStudyRespDTO;
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import com.gkhy.exam.institutionalaccess.model.vo.ThCourseChapterVO;
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import com.gkhy.exam.institutionalaccess.model.vo.ThStatisticStudentVO;
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import com.gkhy.exam.institutionalaccess.model.vo.ThStudentBatchVO;
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import com.gkhy.exam.institutionalaccess.model.vo.ThStudyDetailVO;
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import com.gkhy.exam.institutionalaccess.service.*;
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import org.springframework.beans.BeanUtils;
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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 org.springframework.util.CollectionUtils;
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import org.springframework.util.StringUtils;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.stream.Collectors;
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@Service("ThCourseManagerService")
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public class ThCourseManagerServiceImpl implements ThCourseManagerService {
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@Autowired
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private ThCourseService courseService;
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@Autowired
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private ThCourseChapterService courseChapterService;
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@Autowired
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private ThStudentBatchService studentBatchService;
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@Autowired
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private ThStudentBatchService thStudentBatchService;
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@Autowired
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private ThStudyDetailService studyDetailService;
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@Override
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public List<ThCourseRespDTO> listByPage(ThCourseQuery query) {
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List<ThCourseRespDTO> courseList = courseService.listByPage(query);
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//分许获取数据
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List<ThStatisticStudentVO> thStatisticStudentVOS = studentBatchService.statisticByCourseUuid();
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//List<ThCourseRespDTO> courseRespDTOList = new ArrayList<>();
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if(!CollectionUtils.isEmpty(courseList)){
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//根据courseids获取所有章节
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List<ThCourseChapterVO> courseChapterVOS = new ArrayList<>();
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List<String> courseUuids = courseList.stream().map(ThCourseRespDTO::getUuid).collect(Collectors.toList());
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if(!CollectionUtils.isEmpty(courseUuids)){
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courseChapterVOS = courseChapterService.listByCourseUuids(courseUuids);
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}
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for (ThCourseRespDTO courseRespDTO : courseList) {
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//获取章
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List<ThCourseChapterVO> finalCourseChapterVOS = courseChapterVOS;
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List<ThCourseChapterRespDTO> chapterList = courseChapterVOS
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.stream()
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.filter(cc -> courseRespDTO.getUuid().equals(cc.getCourseUuid()) && cc.getParentUuid().equals("0"))
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.map(cc -> {
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ThCourseChapterRespDTO courseChapterRespDTO = new ThCourseChapterRespDTO();
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BeanUtils.copyProperties(cc, courseChapterRespDTO);
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courseChapterRespDTO.setChildren(getChildren(finalCourseChapterVOS,cc.getUuid()));
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return courseChapterRespDTO;
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})
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.collect(Collectors.toList());
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courseRespDTO.setOutline(chapterList);
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//学员数量
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List<ThStatisticStudentVO> statisticList = thStatisticStudentVOS.stream().filter(s -> s.getCourseUuid().equals(courseRespDTO.getUuid())).collect(Collectors.toList());
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if(statisticList.size()>0){
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ThStatisticStudentVO thStatisticStudentVO = statisticList.get(0);
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courseRespDTO.setStudentCount(thStatisticStudentVO.getCount());
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}else {
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courseRespDTO.setStudentCount(0);
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}
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}
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}
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return courseList;
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}
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//获取单条课程
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@Override
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public ThCourseRespDTO findById(Long id) {
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ThCourse thCourse = courseService.getById(id);
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ThCourseRespDTO thCourseRespDTO = new ThCourseRespDTO();
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BeanUtils.copyProperties(thCourse, thCourseRespDTO);
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List<ThCourseChapterVO> thCourseChapterVOS = courseChapterService.listByCourseUuid(thCourse.getUuid());
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List<ThCourseChapterRespDTO> chapterRespDTOS = thCourseChapterVOS.stream()
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.filter(c -> c.getParentUuid().equals("0"))
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.map(c -> {
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ThCourseChapterRespDTO chapterRespDTO = new ThCourseChapterRespDTO();
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BeanUtils.copyProperties(c, chapterRespDTO);
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chapterRespDTO.setChildren(getChildren(thCourseChapterVOS,c.getUuid()));
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return chapterRespDTO;
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}).collect(Collectors.toList());
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thCourseRespDTO.setOutline(chapterRespDTOS);
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return thCourseRespDTO;
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}
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@Override
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public List<ThStudentStudyRespDTO> getSutdent(String courseUuid) {
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//获取该课程下所有学生
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//获取学生信息
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List<ThStudentBatchVO> thStudentBatches = thStudentBatchService.getStudentBatchVOByCourseUuid(courseUuid);
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//获取学生学习记录
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List<ThStudyDetailVO> studyDetails = studyDetailService.listByCourseUuid(courseUuid);
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List<ThStudentStudyRespDTO> respDTOS = new ArrayList<>();
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if (!CollectionUtils.isEmpty(thStudentBatches)) {
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for (ThStudentBatchVO VO : thStudentBatches) {
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ThStudentStudyRespDTO thStudentStudyRespDTO = new ThStudentStudyRespDTO();
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thStudentStudyRespDTO.setIdcard(VO.getIdcard());
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thStudentStudyRespDTO.setName(VO.getName());
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thStudentStudyRespDTO.setBatchLessonNum(VO.getBatchLessonNum());
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thStudentStudyRespDTO.setFinishStatus(VO.getFinishStatus());
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thStudentStudyRespDTO.setBatchUuid(VO.getBatchUuid());
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thStudentStudyRespDTO.setCourseLessonNum(VO.getCourseLessonNum());
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BigDecimal lessNum = new BigDecimal(0);
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List<ThStudyDetailVO> collect = studyDetails
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.stream()
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.filter(sd -> sd.getIdcard().equals(VO.getIdcard()))
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.collect(Collectors.toList());
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StringBuffer stringBuffer = new StringBuffer();
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for (ThStudyDetailVO studyDetail : collect) {
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//是否完成
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if(studyDetail.getFinishStatus().equals(FinishStatus.YES.getStatus())){
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lessNum = lessNum.add(studyDetail.getLessonNum());
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}
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//是否有学时报告
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if(!StringUtils.isEmpty(studyDetail.getLessonReportUrl())){
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stringBuffer.append(studyDetail.getLessonReportUrl()).append(",");
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}
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}
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if(!StringUtils.isEmpty(stringBuffer.toString())){
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stringBuffer.deleteCharAt(stringBuffer.length()-1);
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}
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thStudentStudyRespDTO.setUrl(stringBuffer.toString());
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thStudentStudyRespDTO.setLessonNum(lessNum);
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respDTOS.add(thStudentStudyRespDTO);
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}
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}
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return respDTOS;
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}
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//获取章节
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private List<ThCourseChapterRespDTO> getChildren(List<ThCourseChapterVO> courseChapterVOS, String parentUuid) {
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List<ThCourseChapterRespDTO> chapterList = courseChapterVOS
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.stream()
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.filter(cc -> cc.getParentUuid().equals(parentUuid))
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.map(cc -> {
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ThCourseChapterRespDTO courseChapterRespDTO = new ThCourseChapterRespDTO();
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BeanUtils.copyProperties(cc, courseChapterRespDTO);
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return courseChapterRespDTO;
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})
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.collect(Collectors.toList());
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return chapterList;
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}
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}
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