package com.ycl.jxkg.service.impl;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ycl.jxkg.domain.TextContent;
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import com.ycl.jxkg.domain.enums.ExamPaperTypeEnum;
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import com.ycl.jxkg.domain.exam.ExamPaperQuestionItemObject;
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import com.ycl.jxkg.domain.exam.ExamPaperTitleItemObject;
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import com.ycl.jxkg.domain.other.KeyValue;
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import com.ycl.jxkg.mapper.ExamPaperMapper;
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import com.ycl.jxkg.mapper.QuestionMapper;
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import com.ycl.jxkg.service.ExamPaperService;
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import com.ycl.jxkg.service.QuestionService;
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import com.ycl.jxkg.service.SubjectService;
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import com.ycl.jxkg.service.TextContentService;
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import com.ycl.jxkg.service.enums.ActionEnum;
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import com.ycl.jxkg.utils.DateTimeUtil;
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import com.ycl.jxkg.utils.JsonUtil;
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import com.ycl.jxkg.utils.ExamUtil;
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import com.ycl.jxkg.vo.admin.exam.ExamPaperEditRequestVO;
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import com.ycl.jxkg.vo.admin.exam.ExamPaperPageRequestVO;
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import com.ycl.jxkg.vo.admin.exam.ExamPaperTitleItemVO;
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import com.ycl.jxkg.vo.admin.question.QuestionEditRequestVO;
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import com.ycl.jxkg.vo.student.dashboard.PaperFilter;
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import com.ycl.jxkg.vo.student.dashboard.PaperInfo;
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import com.ycl.jxkg.vo.student.exam.ExamPaperPageVO;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.ycl.jxkg.domain.ExamPaper;
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import com.ycl.jxkg.domain.Question;
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import com.ycl.jxkg.domain.User;
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import lombok.RequiredArgsConstructor;
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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.transaction.annotation.Transactional;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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@Service
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@RequiredArgsConstructor
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public class ExamPaperServiceImpl extends ServiceImpl<ExamPaperMapper, ExamPaper> implements ExamPaperService {
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private final ExamPaperMapper examPaperMapper;
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private final QuestionMapper questionMapper;
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private final TextContentService textContentService;
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private final QuestionService questionService;
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private final SubjectService subjectService;
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@Override
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public PageInfo<ExamPaper> page(ExamPaperPageRequestVO requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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examPaperMapper.page(requestVM));
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}
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@Override
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public PageInfo<ExamPaper> taskExamPage(ExamPaperPageRequestVO requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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examPaperMapper.taskExamPage(requestVM));
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}
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@Override
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public PageInfo<ExamPaper> studentPage(ExamPaperPageVO requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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examPaperMapper.studentPage(requestVM));
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}
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@Override
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@Transactional
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public ExamPaper savePaperFromVM(ExamPaperEditRequestVO examPaperEditRequestVO, User user) {
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ActionEnum actionEnum = (examPaperEditRequestVO.getId() == null) ? ActionEnum.ADD : ActionEnum.UPDATE;
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Date now = new Date();
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List<ExamPaperTitleItemVO> titleItemsVM = examPaperEditRequestVO.getTitleItems();
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List<ExamPaperTitleItemObject> frameTextContentList = frameTextContentFromVM(titleItemsVM);
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String frameTextContentStr = JsonUtil.toJsonStr(frameTextContentList);
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ExamPaper examPaper = new ExamPaper();
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BeanUtils.copyProperties(examPaperEditRequestVO, examPaper);
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if (actionEnum == ActionEnum.ADD) {
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TextContent frameTextContent = new TextContent();
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frameTextContent.setContent(frameTextContentStr);
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frameTextContent.setCreateTime(now);
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textContentService.save(frameTextContent);
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examPaper.setFrameTextContentId(frameTextContent.getId());
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examPaper.setCreateTime(now);
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examPaper.setCreateUser(user.getId());
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examPaper.setDeleted(false);
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examPaperFromVM(examPaperEditRequestVO, examPaper, titleItemsVM);
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examPaperMapper.insert(examPaper);
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} else {
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examPaper = examPaperMapper.selectById(examPaperEditRequestVO.getId());
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TextContent frameTextContent = textContentService.getById(examPaper.getFrameTextContentId());
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frameTextContent.setContent(frameTextContentStr);
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textContentService.updateById(frameTextContent);
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examPaperFromVM(examPaperEditRequestVO, examPaper, titleItemsVM);
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examPaperMapper.updateById(examPaper);
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}
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return examPaper;
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}
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@Override
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public ExamPaperEditRequestVO examPaperToVM(Integer id) {
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ExamPaper examPaper = examPaperMapper.selectById(id);
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ExamPaperEditRequestVO vo = new ExamPaperEditRequestVO();
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BeanUtils.copyProperties(examPaper, vo);
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vo.setLevel(examPaper.getGradeLevel());
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TextContent frameTextContent = textContentService.getById(examPaper.getFrameTextContentId());
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List<ExamPaperTitleItemObject> examPaperTitleItemObjects = JsonUtil.toJsonListObject(frameTextContent.getContent(), ExamPaperTitleItemObject.class);
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List<Integer> questionIds = examPaperTitleItemObjects.stream()
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.flatMap(t -> t.getQuestionItems().stream()
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.map(q -> q.getId()))
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.collect(Collectors.toList());
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List<Question> questions = questionMapper.selectByIds(questionIds);
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List<ExamPaperTitleItemVO> examPaperTitleItemVOS = examPaperTitleItemObjects.stream().map(t -> {
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ExamPaperTitleItemVO tTitleVM = new ExamPaperTitleItemVO();
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BeanUtils.copyProperties(t, tTitleVM);
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List<QuestionEditRequestVO> questionItemsVM = t.getQuestionItems().stream().map(i -> {
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Question question = questions.stream().filter(q -> q.getId().equals(i.getId())).findFirst().get();
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QuestionEditRequestVO questionEditRequestVO = questionService.getQuestionEditRequestVM(question);
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questionEditRequestVO.setItemOrder(i.getItemOrder());
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return questionEditRequestVO;
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}).collect(Collectors.toList());
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tTitleVM.setQuestionItems(questionItemsVM);
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return tTitleVM;
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}).collect(Collectors.toList());
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vo.setTitleItems(examPaperTitleItemVOS);
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vo.setScore(ExamUtil.scoreToVM(examPaper.getScore()));
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if (ExamPaperTypeEnum.TimeLimit == ExamPaperTypeEnum.fromCode(examPaper.getPaperType())) {
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List<String> limitDateTime = Arrays.asList(DateTimeUtil.dateFormat(examPaper.getLimitStartTime()), DateTimeUtil.dateFormat(examPaper.getLimitEndTime()));
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vo.setLimitDateTime(limitDateTime);
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}
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return vo;
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}
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@Override
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public List<PaperInfo> indexPaper(PaperFilter paperFilter) {
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return examPaperMapper.indexPaper(paperFilter);
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}
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@Override
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public Integer selectAllCount() {
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return examPaperMapper.selectAllCount();
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}
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@Override
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public List<Integer> selectMothCount() {
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Date startTime = DateTimeUtil.getMonthStartDay();
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Date endTime = DateTimeUtil.getMonthEndDay();
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List<KeyValue> mouthCount = examPaperMapper.selectCountByDate(startTime, endTime);
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List<String> mothStartToNowFormat = DateTimeUtil.MothStartToNowFormat();
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return mothStartToNowFormat.stream().map(md -> {
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KeyValue keyValue = mouthCount.stream().filter(kv -> kv.getName().equals(md)).findAny().orElse(null);
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return null == keyValue ? 0 : keyValue.getValue();
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}).collect(Collectors.toList());
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}
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private void examPaperFromVM(ExamPaperEditRequestVO examPaperEditRequestVO, ExamPaper examPaper, List<ExamPaperTitleItemVO> titleItemsVM) {
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Integer gradeLevel = subjectService.levelBySubjectId(examPaperEditRequestVO.getSubjectId());
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Integer questionCount = titleItemsVM.stream()
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.mapToInt(t -> t.getQuestionItems().size()).sum();
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Integer score = titleItemsVM.stream().
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flatMapToInt(t -> t.getQuestionItems().stream()
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.mapToInt(q -> ExamUtil.scoreFromVM(q.getScore()))
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).sum();
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examPaper.setQuestionCount(questionCount);
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examPaper.setScore(score);
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examPaper.setGradeLevel(gradeLevel);
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List<String> dateTimes = examPaperEditRequestVO.getLimitDateTime();
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if (ExamPaperTypeEnum.TimeLimit == ExamPaperTypeEnum.fromCode(examPaper.getPaperType())) {
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examPaper.setLimitStartTime(DateTimeUtil.parse(dateTimes.get(0), DateTimeUtil.STANDER_FORMAT));
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examPaper.setLimitEndTime(DateTimeUtil.parse(dateTimes.get(1), DateTimeUtil.STANDER_FORMAT));
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}
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}
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private List<ExamPaperTitleItemObject> frameTextContentFromVM(List<ExamPaperTitleItemVO> titleItems) {
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AtomicInteger index = new AtomicInteger(1);
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return titleItems.stream().map(t -> {
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ExamPaperTitleItemObject titleItem = new ExamPaperTitleItemObject();
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BeanUtils.copyProperties(t, titleItem);
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List<ExamPaperQuestionItemObject> questionItems = t.getQuestionItems().stream()
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.map(q -> {
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ExamPaperQuestionItemObject examPaperQuestionItemObject = new ExamPaperQuestionItemObject();
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BeanUtils.copyProperties(q, examPaperQuestionItemObject);
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examPaperQuestionItemObject.setItemOrder(index.getAndIncrement());
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return examPaperQuestionItemObject;
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})
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.collect(Collectors.toList());
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titleItem.setQuestionItems(questionItems);
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return titleItem;
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}).collect(Collectors.toList());
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}
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}
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