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.PaperStudentStateEnum;
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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.time.LocalDateTime;
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import java.time.ZoneOffset;
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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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import java.util.Objects;
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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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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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question.setCompanyId(currentUser.getCompanyId());
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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.selectByQuestionId(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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int totalCount=questionBankMapper.selectCountByBankId(question.getBankId());
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if(totalCount>1000){
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throw new ApiException("题库题目数量超过1000,不能再新增");
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}
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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.PRIVATE.getCode())){
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throw new ApiException("管理员不允许在私有题库创建题目");
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}else 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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question.setCreateBy(user.getUsername());
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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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question.setUpdateBy(SecurityUtils.getUsername());
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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())&&!question.getQuestionType().equals(QuestionTypeEnum.EASY.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(question.getCompanyId()!=null&&!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) {
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return baseMapper.getExerciseQuestionList(bankId,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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if(questionIds==null|| questionIds.isEmpty()){
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throw new ApiException("题目id列表不能为空");
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}
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if(questionIds.size()>30){
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throw new ApiException("批量id数量超过阀值");
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}
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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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Long currentDateTime=System.currentTimeMillis();
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if(viewType==1){//更新考试开始时间
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if(paperStudent.getState()!= PaperStudentStateEnum.WAIT_EXAM.getCode()){
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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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ExExamPaper examPaper = examPaperMapper.selectById(paperStudent.getPaperId());
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if(examPaper.getLimited()==1){
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if(paperStudent.getStartTime()!=null && (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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LocalDateTime deadline = examPaper.getDeadline();
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if(currentDateTime-deadline.toInstant(ZoneOffset.of("+8")).toEpochMilli()>0){
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// paperStudent.setCompleted(1);
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// paperStudentMapper.updateById(paperStudent);
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throw new ApiException("已过考试截止时间，不能再考试");
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}
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}
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if(paperStudent.getStartTime()==null) {
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int row = paperStudentMapper.updateById(new ExPaperStudent().setId(paperStudent.getId()).setPaperId(paperStudent.getPaperId()).setStudentId(paperStudent.getStudentId()).setStartTime(currentDateTime));
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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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}else{
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if(!Objects.equals(paperStudent.getState(), PaperStudentStateEnum.DONE_REVIEW.getCode())){
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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.getLimited()==1) {
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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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// }
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// }
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// }
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throw new ApiException("试卷未审批完，无法查看");
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}
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}
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return baseMapper.getPaperQuestionList(paperId,paperStudent.getState(),SecurityUtils.getUserId(),viewType);
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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.getState(),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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if(questionIds.size()>30){
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throw new ApiException("批量id数量超过阀值");
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}
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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.getState(),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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@Override
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public List<ExQuestion> selectQuestionByPaperId(Long paperId) {
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return baseMapper.selectQuestionByPaperId(paperId);
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}
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}
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