package com.gkhy.exam.system.service.impl;
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import com.alibaba.fastjson2.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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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.gkhy.exam.common.api.CommonPage;
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import com.gkhy.exam.common.domain.entity.SysUser;
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import com.gkhy.exam.common.enums.PrivatizeEnum;
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import com.gkhy.exam.common.enums.QuestionTypeEnum;
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import com.gkhy.exam.common.enums.UserTypeEnum;
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import com.gkhy.exam.common.exception.ApiException;
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import com.gkhy.exam.common.utils.PageUtils;
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import com.gkhy.exam.common.utils.SecurityUtils;
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import com.gkhy.exam.common.utils.StringUtils;
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import com.gkhy.exam.system.domain.ExExamPaper;
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import com.gkhy.exam.system.domain.ExPaperStudent;
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import com.gkhy.exam.system.domain.ExQuestion;
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import com.gkhy.exam.system.domain.ExQuestionBank;
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import com.gkhy.exam.system.mapper.ExExamPaperMapper;
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import com.gkhy.exam.system.mapper.ExPaperStudentMapper;
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import com.gkhy.exam.system.mapper.ExQuestionBankMapper;
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import com.gkhy.exam.system.mapper.ExQuestionMapper;
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import com.gkhy.exam.system.service.ExQuestionService;
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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.util.Arrays;
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import java.util.List;
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import java.util.Map;
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/**
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* <p>
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* 考题表 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 ExQuestionServiceImpl extends ServiceImpl<ExQuestionMapper, ExQuestion> implements ExQuestionService {
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@Autowired
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private ExPaperStudentMapper paperStudentMapper;
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@Autowired
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private ExExamPaperMapper examPaperMapper;
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@Autowired
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private ExQuestionBankMapper questionBankMapper;
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@Override
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public CommonPage selectQuestionList(ExQuestion question) {
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if(question.getBankId()==null){
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throw new ApiException("题库id不能为空");
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}
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ExQuestionBank questionBank=questionBankMapper.selectById(question.getBankId());
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if(!questionBank.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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if(!question.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业题目");
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}
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}
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}
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PageUtils.startPage();
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List<ExQuestion> questionList=baseMapper.selectQuestionList(question);
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return CommonPage.restPage(questionList);
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}
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@Override
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public ExQuestion selectQuestionById(Long questionId) {
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ExQuestion question= baseMapper.selectById(questionId);
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if(question.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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return question;
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}
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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return question;
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}
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if(!question.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业题目");
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}
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return question;
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}
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@Override
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public int insertQuestion(ExQuestion question) {
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checkUserAllowed(question);
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SysUser user= SecurityUtils.getLoginUser().getUser();
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//公开的题库新增题目，题目也是公开
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ExQuestionBank questionBank=questionBankMapper.selectById(question.getBankId());
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if(user.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())||questionBank.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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question.setPrivatize(PrivatizeEnum.PUBLIC.getCode());
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}else{
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question.setCompanyId(user.getCompanyId());
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question.setPrivatize(PrivatizeEnum.PRIVATE.getCode());
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}
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validData(question);
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int row=baseMapper.insert(question);
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if(row<1){
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throw new ApiException("新增题目失败");
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}
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return row;
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}
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@Override
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public int updateQuestion(ExQuestion question) {
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validData(question);
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checkUserAllowed(question);
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int row=baseMapper.updateById(question);
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if(row<1){
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throw new ApiException("编辑题目失败");
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}
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return row;
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}
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public void validData(ExQuestion question){
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if(!question.getQuestionType().equals(QuestionTypeEnum.JUDGE.getCode())){
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if(StringUtils.isBlank(question.getContent())){
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throw new ApiException("题目内容不能为空");
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}
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try {
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JSONObject jsonObject = JSONObject.parseObject(question.getContent());
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}catch (Exception e){
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throw new ApiException("题目内容json格式不正确");
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}
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//确保答案是按字母顺序排序
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String answer=question.getAnswer();
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if(answer.contains(",")){
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String[] ans = answer.split(",");
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Arrays.sort(ans);
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question.setAnswer(String.join(",",ans));
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}
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}
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}
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public void checkUserAllowed(ExQuestion question) {
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SysUser currentUser= SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return;
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}
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if(currentUser.getUserType().equals(UserTypeEnum.STUDENT.getCode())){
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throw new ApiException("没有权限操作");
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}
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if(!currentUser.getCompanyId().equals(question.getCompanyId())){
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throw new ApiException("没有权限操作其他企业题目");
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}
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}
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@Override
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public int deleteQuestionById(Long questionId) {
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checkUserAllowed(baseMapper.selectById(questionId));
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return baseMapper.deleteById(questionId);
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}
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@Override
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public List<Map> getExerciseQuestionList(Long bankId, Integer exerciseType) {
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return baseMapper.getExerciseQuestionList(bankId,exerciseType,SecurityUtils.getUserId());
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}
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@Override
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public ExQuestion getExerciseQuestionById(Long questionId) {
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return baseMapper.getExeriseQuestionById(questionId,SecurityUtils.getUserId());
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}
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@Override
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public List<ExQuestion> getExerciseQuestionByIds(List<Long> questionIds) {
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return baseMapper.getExeriseQuestionByIds(questionIds,SecurityUtils.getUserId());
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}
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@Override
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public List<Map> getPaperQuestionList(Long paperId,Integer viewType) {
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LambdaQueryWrapper<ExPaperStudent> lambdaQueryWrapper = Wrappers.<ExPaperStudent>lambdaQuery()
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.eq(ExPaperStudent::getPaperId, paperId)
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.eq(ExPaperStudent::getStudentId, SecurityUtils.getUserId());
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ExPaperStudent paperStudent=paperStudentMapper.selectOne(lambdaQueryWrapper);
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if(paperStudent==null){
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throw new ApiException("您分配的试卷未查询到");
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}
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if(viewType==1){//更新考试开始时间
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Long startTime=System.currentTimeMillis();
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if(paperStudent.getCompleted()==1){
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throw new ApiException("考试已完成，不能重复考试");
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}
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if(paperStudent.getStartTime()!=null) {//判断考卷是否已完成
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ExExamPaper examPaper = examPaperMapper.selectById(paperStudent.getPaperId());
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if(examPaper.getLimit()==1) {
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Long currentDateTime = System.currentTimeMillis();
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if (currentDateTime-paperStudent.getStartTime()>=examPaper.getLimitTime()*60*1000){
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paperStudent.setCompleted(1);
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paperStudentMapper.updateById(paperStudent);
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throw new ApiException("考试已超时，不能再考试");
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}
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}
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}
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int row=paperStudentMapper.updateById(new ExPaperStudent().setPaperId(paperStudent.getPaperId()).setStudentId(paperStudent.getStudentId()).setStartTime(startTime));
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if(row<1){
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throw new ApiException("设置考试开始时间失败");
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}
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}
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return baseMapper.getPaperQuestionList(paperId,paperStudent.getCompleted(),SecurityUtils.getUserId());
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}
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@Override
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public ExQuestion getPaperQuestionById(Long paperId, Long questionId) {
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LambdaQueryWrapper<ExPaperStudent> lambdaQueryWrapper = Wrappers.<ExPaperStudent>lambdaQuery()
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.eq(ExPaperStudent::getPaperId, paperId)
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.eq(ExPaperStudent::getStudentId, SecurityUtils.getUserId());
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ExPaperStudent paperStudent=paperStudentMapper.selectOne(lambdaQueryWrapper);
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if(paperStudent==null){
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throw new ApiException("您分配的试卷未查询到");
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}
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return baseMapper.getPaperQuestionById(paperId,questionId,paperStudent.getCompleted(),SecurityUtils.getUserId());
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}
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@Override
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public List<ExQuestion> getPaperQuestionByIds(Long paperId, List<Long> questionIds) {
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LambdaQueryWrapper<ExPaperStudent> lambdaQueryWrapper = Wrappers.<ExPaperStudent>lambdaQuery()
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.eq(ExPaperStudent::getPaperId, paperId)
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.eq(ExPaperStudent::getStudentId, SecurityUtils.getUserId());
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ExPaperStudent paperStudent=paperStudentMapper.selectOne(lambdaQueryWrapper);
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if(paperStudent==null){
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throw new ApiException("您分配的试卷未查询到");
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}
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return baseMapper.getPaperQuestionByIds(paperId,questionIds,paperStudent.getCompleted(),SecurityUtils.getUserId());
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}
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@Override
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public List<Long> getExerciseErrorQuestionList(Long bankId) {
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return baseMapper.getExerciseErrorQuestionList(bankId,SecurityUtils.getUserId());
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}
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}
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