package com.gkhy.exam.system.service.impl;
|
|
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
|
import com.gkhy.exam.common.api.CommonPage;
|
import com.gkhy.exam.common.constant.UserConstant;
|
import com.gkhy.exam.common.domain.entity.SysUser;
|
import com.gkhy.exam.common.enums.CodeTypeEnum;
|
import com.gkhy.exam.common.enums.QuestionAssignEnum;
|
import com.gkhy.exam.common.enums.QuestionTypeEnum;
|
import com.gkhy.exam.common.enums.UserTypeEnum;
|
import com.gkhy.exam.common.exception.ApiException;
|
import com.gkhy.exam.common.utils.PageUtils;
|
import com.gkhy.exam.common.utils.SecurityUtils;
|
import com.gkhy.exam.system.domain.ExExamPaper;
|
import com.gkhy.exam.system.domain.ExPaperQuestion;
|
import com.gkhy.exam.system.domain.ExQuestion;
|
import com.gkhy.exam.system.mapper.ExExamPaperMapper;
|
import com.gkhy.exam.system.mapper.ExPaperQuestionMapper;
|
import com.gkhy.exam.system.mapper.ExPaperStudentMapper;
|
import com.gkhy.exam.system.mapper.ExQuestionMapper;
|
import com.gkhy.exam.system.service.ExExamPaperService;
|
import com.gkhy.exam.system.utils.SequenceUtils;
|
import org.springframework.beans.factory.annotation.Autowired;
|
import org.springframework.stereotype.Service;
|
import org.springframework.transaction.annotation.Transactional;
|
|
import java.util.ArrayList;
|
import java.util.List;
|
import java.util.Objects;
|
import java.util.Random;
|
import java.util.stream.Collectors;
|
|
/**
|
* <p>
|
* 考卷(组卷)表 服务实现类
|
* </p>
|
*
|
* @author kzy
|
* @since 2024-06-05 15:07:36
|
*/
|
@Service
|
public class ExExamPaperServiceImpl extends ServiceImpl<ExExamPaperMapper, ExExamPaper> implements ExExamPaperService {
|
@Autowired
|
private ExPaperStudentMapper paperStudentMapper;
|
|
@Autowired
|
private ExPaperQuestionMapper paperQuestionMapper;
|
@Autowired
|
private ExQuestionMapper questionMapper;
|
|
@Autowired
|
private SequenceUtils sequenceUtils;
|
|
@Override
|
public CommonPage selectExamPaperList(ExExamPaper examPaper) {
|
SysUser currentUser= SecurityUtils.getLoginUser().getUser();
|
if(!Objects.equals(currentUser.getUserType(), UserTypeEnum.SYSTEM_USER.getCode())){
|
examPaper.setCompanyId(currentUser.getCompanyId());
|
}
|
PageUtils.startPage();
|
List<ExExamPaper> paperList=baseMapper.selectExamPaperList(examPaper);
|
return CommonPage.restPage(paperList);
|
}
|
|
@Override
|
public ExExamPaper selectExamPaperById(Long paperId) {
|
ExExamPaper examPaper= baseMapper.selectExamPaperById(paperId);
|
SysUser currentUser= SecurityUtils.getLoginUser().getUser();
|
if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
|
return examPaper;
|
}
|
if(!examPaper.getCompanyId().equals(currentUser.getCompanyId())){
|
throw new ApiException("无权限查看其它企业考卷信息");
|
}
|
return examPaper;
|
}
|
|
|
@Override
|
@Transactional(rollbackFor = RuntimeException.class)
|
public int insertExamPaper(ExExamPaper examPaper) {
|
checkUserAllowed(examPaper);
|
if(!checkNameUnique(examPaper)){
|
throw new ApiException("试卷名称已存在");
|
}
|
//生成编码
|
examPaper.setCode(sequenceUtils.getNextSequence(CodeTypeEnum.EXAM_PAPER.getCode()));
|
examPaper.setCreateBy(SecurityUtils.getUsername());
|
if(examPaper.getLimitTime()>0){
|
examPaper.setLimit(1);
|
}
|
int row=baseMapper.insert(examPaper);
|
if(row<1){
|
throw new ApiException("新增试卷失败");
|
}
|
//分配试题
|
assignSingleQuestion(examPaper);
|
assignMultiQuestion(examPaper);
|
assignJudgeQuestion(examPaper);
|
return row;
|
}
|
|
public void checkUserAllowed(ExExamPaper examPaper) {
|
SysUser currentUser= SecurityUtils.getLoginUser().getUser();
|
if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
|
throw new ApiException("系统用户不能创建、修改试卷");
|
}
|
if(currentUser.getUserType().equals(UserTypeEnum.STUDENT.getCode())){
|
throw new ApiException("没有权限操作");
|
}
|
if(!currentUser.getCompanyId().equals(examPaper.getCompanyId())){
|
throw new ApiException("没有权限操作其他企业试卷");
|
}
|
}
|
|
//分配单选题
|
public void assignSingleQuestion(ExExamPaper examPaper){
|
List<ExPaperQuestion> paperQuestionList = getPaperQuestions(examPaper.getId(), examPaper.getSingleBankId(),
|
examPaper.getSingleMethod(),examPaper.getSingleNum(), examPaper.getSingleScore(),QuestionTypeEnum.SINGLE);
|
paperQuestionMapper.batchInsert(paperQuestionList);
|
}
|
|
//分配多选题
|
public void assignMultiQuestion(ExExamPaper examPaper){
|
List<ExPaperQuestion> paperQuestionList = getPaperQuestions(examPaper.getId(), examPaper.getMultiBankId(),
|
examPaper.getMultiMethod(),examPaper.getMultiNum(), examPaper.getMultiScore(),QuestionTypeEnum.MULTI);
|
paperQuestionMapper.batchInsert(paperQuestionList);
|
}
|
|
//分配判断题
|
public void assignJudgeQuestion(ExExamPaper examPaper){
|
List<ExPaperQuestion> paperQuestionList = getPaperQuestions(examPaper.getId(), examPaper.getJudgeBankId(),
|
examPaper.getJudgeMethod(),examPaper.getJudgeNum(), examPaper.getJudgeScore(),QuestionTypeEnum.JUDGE);
|
paperQuestionMapper.batchInsert(paperQuestionList);
|
}
|
|
private List<ExPaperQuestion> getPaperQuestions(Long paperId,Long bankId,Integer questionMethod,Integer questionCount,Integer questionScore, QuestionTypeEnum questionTypeEnum) {
|
SysUser user=SecurityUtils.getLoginUser().getUser();
|
Integer totalQuestionCount=questionMapper.selectCountByBankId(user.getCompanyId(), bankId, questionTypeEnum.getCode());
|
if(totalQuestionCount< questionCount){
|
throw new ApiException(String.format("所选题库<%s>数量不足，无法分配",questionTypeEnum.getInfo()));
|
}
|
List<ExQuestion> questions=new ArrayList<>();
|
if(Objects.equals(questionMethod, QuestionAssignEnum.RANDOM.getCode())){//随机分配
|
questions=questionMapper.selectRandomQuestion(user.getCompanyId(), bankId,questionTypeEnum.getCode(), questionCount);
|
}else{//顺序分配
|
int totalPage=questionCount/ questionMethod;//不能整除，忽略最后一页
|
Random random=new Random();
|
int startIndex=random.nextInt(totalPage)+1;
|
questions=questionMapper.selectQuestionWithLimit(user.getCompanyId(), bankId,questionTypeEnum.getCode(),startIndex, questionCount);
|
}
|
List<ExPaperQuestion> paperQuestionList=questions.stream().map(item -> {
|
ExPaperQuestion exPaperQuestion=new ExPaperQuestion();
|
exPaperQuestion.setPaperId(paperId);
|
exPaperQuestion.setQuestionId(item.getId());
|
exPaperQuestion.setScore(questionScore);
|
return exPaperQuestion;
|
}).collect(Collectors.toList());
|
return paperQuestionList;
|
}
|
|
|
@Override
|
public int updateExamPaper(ExExamPaper examPaper) {
|
if(!checkNameUnique(examPaper)){
|
throw new ApiException("试卷名称已存在");
|
}
|
//校验考卷下是否有学员
|
if(checkPaperHasStudent(examPaper.getId())){
|
throw new ApiException("该试卷下已分配学员，不能编辑");
|
}
|
examPaper.setCode(null);//编号不能修改
|
if(examPaper.getLimitTime()==0){
|
examPaper.setLimit(0);
|
}
|
int row=baseMapper.updateById(examPaper);
|
if(row<1){
|
throw new ApiException("更新试卷失败");
|
}
|
//重新分配题
|
if(examPaper.getSingleRebuild()==1){
|
deletePaperQuestion(examPaper.getId(),QuestionTypeEnum.SINGLE);
|
assignSingleQuestion(examPaper);
|
}
|
if(examPaper.getMultiRebuild()==1) {
|
deletePaperQuestion(examPaper.getId(),QuestionTypeEnum.MULTI);
|
assignMultiQuestion(examPaper);
|
}
|
if(examPaper.getJudgeRebuild()==1) {
|
deletePaperQuestion(examPaper.getId(),QuestionTypeEnum.JUDGE);
|
assignJudgeQuestion(examPaper);
|
}
|
return row;
|
}
|
|
public void deletePaperQuestion(Long paperId,QuestionTypeEnum questionTypeEnum){
|
paperQuestionMapper.deletePaperQuestion(paperId,questionTypeEnum!=null?questionTypeEnum.getCode():null);
|
}
|
|
@Override
|
public int deleteExamPaperById(Long paperId) {
|
//查询该试卷分配的学员人数
|
if(checkPaperHasStudent(paperId)){
|
throw new ApiException("该试卷下已分配学员，不能删除");
|
}
|
int row=baseMapper.deleteById(paperId);
|
if(row<1){
|
throw new ApiException("删除试卷失败");
|
}
|
//删除考卷试题
|
paperQuestionMapper.deletebyPapaerId(paperId);
|
return row;
|
}
|
|
public Boolean checkPaperHasStudent(Long paperId){
|
//查询该试卷分配的学员人数
|
int studentCount=paperStudentMapper.countByPaperId(paperId);
|
if(studentCount>0){
|
return true;
|
}
|
return false;
|
}
|
|
@Override
|
public boolean checkNameUnique(ExExamPaper examPaper) {
|
Long paperId=examPaper.getId()==null?-1L:examPaper.getId();
|
ExExamPaper paper= baseMapper.checkNameUnique(examPaper.getName());
|
if(paper!=null&&paper.getId().longValue()!=paperId.longValue()){
|
return UserConstant.NOT_UNIQUE;
|
}
|
return UserConstant.UNIQUE;
|
}
|
|
@Override
|
public int changeExamPaperStatus(Long paperId, Integer status) {
|
return baseMapper.updateById(new ExExamPaper().setId(paperId).setStatus(status).setUpdateBy(SecurityUtils.getUsername()));
|
}
|
|
|
|
}
|
