package com.ycl.jxkg.service.impl;
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import com.alibaba.fastjson2.JSON;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ycl.jxkg.base.Result;
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import com.ycl.jxkg.context.WebContext;
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import com.ycl.jxkg.domain.entity.Exam;
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import com.ycl.jxkg.domain.entity.ExamPaper;
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import com.ycl.jxkg.domain.entity.ExamSubmitTemp;
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import com.ycl.jxkg.domain.entity.Question;
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import com.ycl.jxkg.domain.exam.PaperFixQuestionDTO;
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import com.ycl.jxkg.domain.exam.PaperQuestionSettingDTO;
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import com.ycl.jxkg.domain.form.AddTimeForm;
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import com.ycl.jxkg.domain.form.ExamForm;
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import com.ycl.jxkg.domain.form.ForceSubmitForm;
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import com.ycl.jxkg.domain.query.ExamQuery;
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import com.ycl.jxkg.domain.question.QuestionObject;
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import com.ycl.jxkg.domain.vo.*;
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import com.ycl.jxkg.enums.ExamPaperTypeEnum;
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import com.ycl.jxkg.enums.WebsocketCommendEnum;
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import com.ycl.jxkg.enums.general.ExamStatusEnum;
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import com.ycl.jxkg.enums.general.ExamSubmitTempStatusEnum;
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import com.ycl.jxkg.mapper.*;
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import com.ycl.jxkg.server.WebsocketServer;
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import com.ycl.jxkg.service.ExamPaperService;
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import com.ycl.jxkg.service.ExamService;
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import com.ycl.jxkg.utils.PageUtil;
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import lombok.RequiredArgsConstructor;
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import org.springframework.beans.BeanUtils;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.stereotype.Service;
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import org.springframework.util.Assert;
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import org.springframework.util.StringUtils;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 考试 服务实现类
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*
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* @author xp
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* @since 2024-06-11
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*/
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@Service
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@RequiredArgsConstructor
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public class ExamServiceImpl extends ServiceImpl<ExamMapper, Exam> implements ExamService {
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private final ExamMapper examMapper;
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private final WebContext webContext;
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private final QuestionMapper questionMapper;
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private final ExamSubmitTempMapper examSubmitTempMapper;
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private final ClassesUserMapper classesUserMapper;
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private final ExamPaperMapper examPaperMapper;
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private final ExamPaperService examPaperService;
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private final WebsocketServer websocketServer;
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/**
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* 添加
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*
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* @param form
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* @return
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*/
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@Override
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public Result add(ExamForm form) {
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Exam entity = ExamForm.getEntityByForm(form, null);
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entity.setStatus(ExamStatusEnum.getStatusByTime(form.getStartTime(), form.getEndTime(), null));
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entity.setTeacherId(webContext.getCurrentUser().getId());
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baseMapper.insert(entity);
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return Result.ok("添加成功");
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}
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/**
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* 修改
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*
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* @param form
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* @return
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*/
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@Override
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public Result update(ExamForm form) {
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Exam entity = baseMapper.selectById(form.getId());
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// 为空抛IllegalArgumentException，做全局异常处理
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Assert.notNull(entity, "记录不存在");
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BeanUtils.copyProperties(form, entity);
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entity.setStatus(ExamStatusEnum.getStatusByTime(form.getStartTime(), form.getEndTime(), null));
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baseMapper.updateById(entity);
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return Result.ok("修改成功");
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}
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/**
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* 批量删除
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*
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* @param ids
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* @return
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*/
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@Override
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public Result remove(List<String> ids) {
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baseMapper.deleteBatchIds(ids);
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return Result.ok("删除成功");
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}
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/**
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* id删除
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*
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* @param id
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* @return
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*/
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@Override
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public Result removeById(String id) {
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baseMapper.deleteById(id);
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return Result.ok("删除成功");
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}
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/**
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* 分页查询
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*
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* @param query
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* @return
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*/
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@Override
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public Result page(ExamQuery query) {
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IPage<ExamVO> page = PageUtil.getPage(query, ExamVO.class);
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baseMapper.getPage(page, query, webContext.getCurrentUser().getId());
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page.getRecords().stream().forEach(item -> {
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if (! StringUtils.hasText(item.getClassName())) {
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item.setClassName("班级不存在或被删除");
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item.setClassesId(null);
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}
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if (! StringUtils.hasText(item.getExamPaperName())) {
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item.setExamPaperName("试卷不存在或被删除");
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item.setExamPaperId(null);
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}
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});
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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@Override
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public Result studentPage(ExamQuery query) {
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IPage<ExamVO> page = PageUtil.getPage(query, ExamVO.class);
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baseMapper.studentPage(page, query, webContext.getCurrentUser().getId());
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result start(Integer id) {
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Exam exam = baseMapper.selectById(id);
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if (Objects.isNull(exam)) {
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throw new RuntimeException("该考试不存在");
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}
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if (Objects.isNull(exam.getExamPaperId())) {
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throw new RuntimeException("考试未绑定试卷");
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}
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if (ExamStatusEnum.NOT_START.equals(exam.getStatus())) {
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throw new RuntimeException("考试还未开始");
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}
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if (ExamStatusEnum.FINISHED.equals(exam.getStatus())) {
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throw new RuntimeException("考试已经结束");
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}
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// 查出考试试卷
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ExamPaper examPaper = examPaperMapper.selectById(exam.getExamPaperId());
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if (Objects.isNull(examPaper)) {
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throw new RuntimeException("试卷不存在");
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}
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// 将题目转换为可临时保存的题目结构。固定试卷和随序试卷的题目是直接保存到content字段的
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if (ExamPaperTypeEnum.Fixed.getCode().equals(examPaper.getPaperType())
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|| ExamPaperTypeEnum.RandomOrder.getCode().equals(examPaper.getPaperType())) {
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if (StringUtils.hasText(examPaper.getContent())) {
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throw new RuntimeException("试卷题目为空");
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}
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// 转换
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List<PaperFixQuestionVO> data = this.coverTo(examPaper);
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return Result.ok().data(data);
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} else if (ExamPaperTypeEnum.Random.getCode().equals(examPaper.getPaperType())) {
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// 根据随机试卷的配置，随机生成对应题目
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if (! StringUtils.hasText(examPaper.getContent())) {
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throw new RuntimeException("试卷配置异常，请联系老师");
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}
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List<PaperQuestionSettingDTO> paperSettingList = JSON.parseArray(examPaper.getContent(), PaperQuestionSettingDTO.class);
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// 试卷内容
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List<PaperFixQuestionVO> examData = new ArrayList<>(8);
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for (PaperQuestionSettingDTO paperSetting : paperSettingList) {
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PaperFixQuestionVO paperFixQuestionVO = new PaperFixQuestionVO();
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paperFixQuestionVO.setTitle(paperSetting.getTitle());
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paperFixQuestionVO.setQuestionType(paperSetting.getQuestionType());
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// 拿到课目下某类题型的x道随机题
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List<Question> questions = questionMapper.getRandomQuestion(examPaper.getSubjectId(), paperSetting.getQuestionType(), paperSetting.getNum());
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if (paperSetting.getNum() > questions.size()) {
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throw new RuntimeException("配置的题目数不足以生成试卷");
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}
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// 拿到题目后组装为可临时保存的题目结构
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List<DoQuestionVO> childQuestions = questions.stream().map(item -> {
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DoQuestionVO doQuestionVO = new DoQuestionVO();
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doQuestionVO.setTitle(item.getTitle());
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doQuestionVO.setQuestionType(item.getQuestionType());
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if (StringUtils.hasText(item.getContent())) {
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QuestionObject questionObject = JSON.parseObject(item.getContent(), QuestionObject.class);
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doQuestionVO.setQuestionItemList(questionObject.getQuestionItemObjects());
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}
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doQuestionVO.setId(item.getId());
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doQuestionVO.setOriginalFile(item.getOriginalFile());
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doQuestionVO.setAudioFile(item.getAudioFile());
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return doQuestionVO;
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}).collect(Collectors.toList());
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paperFixQuestionVO.setQuestionList(childQuestions);
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examData.add(paperFixQuestionVO);
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}
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ExamSubmitTemp examSubmitTemp = new ExamSubmitTemp();
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examSubmitTemp.setExamId(id);
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examSubmitTemp.setStatus(ExamSubmitTempStatusEnum.TEMP);
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examSubmitTemp.setExamSubmit(JSON.toJSONString(examData));
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examSubmitTemp.setCreateTime(new Date());
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examSubmitTemp.setUserId(webContext.getCurrentUser().getId());
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examSubmitTemp.setMarkPaperStatus(ExamSubmitTempStatusEnum.TEMP);
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examSubmitTempMapper.insert(examSubmitTemp);
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StartExamVO startExamVO = new StartExamVO();
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startExamVO.setExamName(exam.getExamName());
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startExamVO.setId(exam.getId());
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startExamVO.setTitleList(examData);
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startExamVO.setSuggestTime(examPaper.getSuggestTime());
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return Result.ok(startExamVO);
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}
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return Result.ok();
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}
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/**
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* 将数据库存储的题目，转为可临时保存的题目结构
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*
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* @param examPaper 试卷
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* @return
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*/
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private List<PaperFixQuestionVO> coverTo(ExamPaper examPaper) {
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if (! StringUtils.hasText(examPaper.getContent())) {
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throw new RuntimeException("试卷未配置题目，请联系老师");
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}
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List<PaperFixQuestionDTO> questionWarpList = JSON.parseArray(examPaper.getContent(), PaperFixQuestionDTO.class);
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return questionWarpList.stream().map(item -> {
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PaperFixQuestionVO vo = new PaperFixQuestionVO();
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vo.setTitle(item.getTitle());
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vo.setQuestionType(item.getQuestionType());
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List<DoQuestionVO> doQuestionVOS = item.getQuestionList().stream().map(question -> {
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DoQuestionVO doQuestionVO = new DoQuestionVO();
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doQuestionVO.setTitle(question.getTitle());
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doQuestionVO.setQuestionType(item.getQuestionType());
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doQuestionVO.setQuestionItemList(question.getItems());
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doQuestionVO.setId(question.getId());
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doQuestionVO.setOriginalFile(question.getOriginalFile());
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doQuestionVO.setAudioFile(question.getAudioFile());
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return doQuestionVO;
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}).collect(Collectors.toList());
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if (ExamPaperTypeEnum.RandomOrder.getCode().equals(examPaper.getPaperType())) {
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// 随序试卷打乱顺序
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Collections.shuffle(doQuestionVOS);
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}
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vo.setQuestionList(doQuestionVOS);
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return vo;
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}).collect(Collectors.toList());
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}
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/**
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* 根据id查找
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*
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* @param id
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* @return
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*/
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@Override
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public Result detail(Integer id) {
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ExamVO vo = baseMapper.getById(id);
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Assert.notNull(vo, "记录不存在");
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return Result.ok().data(vo);
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}
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/**
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* 列表
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*
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* @return
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*/
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@Override
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public Result all() {
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List<Exam> entities = baseMapper.selectList(null);
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List<ExamVO> vos = entities.stream()
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.map(entity -> ExamVO.getVoByEntity(entity, null))
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.collect(Collectors.toList());
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return Result.ok().data(vos);
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}
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/**
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* 主动提交试卷
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*
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* @param submitData 试卷做题提交数据
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* @return
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*/
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@Override
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public Result examSubmit(StartExamVO submitData) {
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// 校验
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Exam exam = examMapper.selectById(submitData.getId());
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if (Objects.isNull(exam)) {
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throw new RuntimeException("该考试不存在");
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}
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// // 判断单选、多选、判断题对错
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// List<Integer> questionIds = new ArrayList<>(24);
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// submitData.getPaperQuestionList().forEach(item -> {
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// List<Integer> ids = item.getQuestionList().stream().map(DoQuestionVO::getId).collect(Collectors.toList());
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// questionIds.addAll(ids);
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// });
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// List<Question> questionList = questionMapper.getAnswerInfo(questionIds);
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// Map<Integer, Question> answerMap = questionList.stream().collect(Collectors.toMap(Question::getId, entity -> entity));
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// submitData.getQuestionList().stream().forEach(item -> {
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// Question question = answerMap.get(item.getId());
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// if (Objects.nonNull(question)
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// && (QuestionTypeEnum.SingleChoice.getCode().equals(question.getQuestionType())
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// || QuestionTypeEnum.MultipleChoice.getCode().equals(question.getQuestionType())
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// || QuestionTypeEnum.TrueFalse.getCode().equals(question.getQuestionType())
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// )) {
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// String correct = question.getCorrect();
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// if (QuestionTypeEnum.MultipleChoice.getCode().equals(question.getQuestionType())) {
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// // 如果是选择题，那么将答案转为list
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// List<String> answerList = JSON.parseArray(correct, String.class);
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// item.setRight(answerList.containsAll(item.getAnswerList()));
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// } else {
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// item.setRight(question.getCorrect().equals(item.getAnswer()));
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// }
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// }
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// });
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// 阅卷后才往exam_paper_answer保存考试成绩、以及保存到exam_paper_customer_answer
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// 现在只需要保存到一张临时表
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// 该接口是主动提交，所以状态都设置为完成，以便后续老师阅卷
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saveTempExam(submitData, ExamSubmitTempStatusEnum.FINISH);
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return Result.ok();
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}
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/**
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* 临时保存试卷
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*
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* @param submitData
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* @return
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*/
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@Override
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public Result timingSubmit(StartExamVO submitData) {
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saveTempExam(submitData, ExamSubmitTempStatusEnum.TEMP);
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return Result.ok();
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}
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/**
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* 保存试卷：如果接口是定时保存那么是临时试卷。如果接口是自主提交那么是完成试卷
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*
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* @param submitData 前端传递的试卷数据
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* @param status 试卷的状态
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*/
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public void saveTempExam(StartExamVO submitData, ExamSubmitTempStatusEnum status) {
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ExamSubmitTemp one = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
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.eq(ExamSubmitTemp::getExamId, submitData.getId())
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.eq(ExamSubmitTemp::getUserId, webContext.getCurrentUser().getId())
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.one();
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if (Objects.nonNull(one)) {
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if (ExamSubmitTempStatusEnum.FINISH.equals(one.getStatus())) {
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return;
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}
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one.setDoTime(submitData.getDoTime());
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one.setExamSubmit(JSON.toJSONString(submitData.getTitleList()));
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one.setCreateTime(new Date());
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one.setStatus(status);
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examSubmitTempMapper.updateById(one);
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} else {
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ExamSubmitTemp examSubmitTemp = new ExamSubmitTemp();
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examSubmitTemp.setExamId(submitData.getId());
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examSubmitTemp.setDoTime(submitData.getDoTime());
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examSubmitTemp.setStatus(status);
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examSubmitTemp.setUserId(webContext.getCurrentUser().getId());
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examSubmitTemp.setExamSubmit(JSON.toJSONString(submitData.getTitleList()));
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examSubmitTemp.setMarkPaperStatus(ExamSubmitTempStatusEnum.TEMP);
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examSubmitTempMapper.insert(examSubmitTemp);
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}
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}
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@Override
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public Result getMarkResultInfo(Integer id) {
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Exam exam = baseMapper.selectById(id);
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if (Objects.isNull(exam)) {
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throw new RuntimeException("该考试不存在");
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}
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ExamPaper examPaper = examPaperMapper.selectById(exam.getExamPaperId());
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if (Objects.isNull(examPaper)) {
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throw new RuntimeException("考试试卷不存在");
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}
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List<ExamSubmitTemp> examSubmitTempList = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
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.eq(ExamSubmitTemp::getExamId, id)
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.list();
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// 参考人数
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Integer joinExamNum = examSubmitTempList.size();
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// 参考但未完成提交人数
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Integer joinButNotFinishedNum = Math.toIntExact(examSubmitTempList.stream().filter(item -> ExamSubmitTempStatusEnum.TEMP.equals(item.getStatus())).count());
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List<StudentExamInfoVO> studentExamList = classesUserMapper.getClassesUserList(exam.getClassesId());
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// 应考人数
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Integer shouldUserNum = studentExamList.size();
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studentExamList.stream().forEach(item -> {
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if (StringUtils.hasText(item.getExamSubmit())) {
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item.setQuestionList(JSON.parseArray(item.getExamSubmit(), DoQuestionVO.class));
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}
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});
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MarkPaperVO markPaperVO = new MarkPaperVO();
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markPaperVO.setExamName(exam.getExamName());
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markPaperVO.setExamId(exam.getId());
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markPaperVO.setJoinButNotFinishNum(joinButNotFinishedNum);
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markPaperVO.setShouldJoinNum(shouldUserNum);
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markPaperVO.setStudentExamInfoVOList(studentExamList);
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markPaperVO.setMissJoinNum(shouldUserNum - joinExamNum);
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markPaperVO.setJoinNum(joinExamNum);
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markPaperVO.setExamPaperName(examPaper.getName());
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markPaperVO.setSuggestTime(examPaper.getSuggestTime());
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return Result.ok().data(markPaperVO);
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}
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@Override
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public Result getMarkPaperInfo(Integer examId, Integer userId) {
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ExamSubmitTemp userExam = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
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.eq(ExamSubmitTemp::getExamId, examId)
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.eq(ExamSubmitTemp::getUserId, userId)
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.one();
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if (Objects.isNull(userExam)) {
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throw new RuntimeException("该学员考试记录不存在");
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}
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ExamSubmitVO vo = new ExamSubmitVO();
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vo.setExamId(userExam.getExamId());
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vo.setDoTime(userExam.getDoTime());
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vo.setUpdateTime(userExam.getUpdateTime());
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if (StringUtils.hasText(userExam.getExamSubmit())) {
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vo.setPaperQuestionList(JSON.parseArray(userExam.getExamSubmit(), PaperFixQuestionVO.class));
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}
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return Result.ok(vo);
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}
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@Override
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public Result monitorList(ExamQuery query) {
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IPage<ExamSubmitTempVO> page = PageUtil.getPage(query, ExamSubmitTempVO.class);
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return Result.ok((examSubmitTempMapper.monitorList(page, query)));
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}
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@Override
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public Result addTime(AddTimeForm form) {
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WebsocketDataVO websocket = new WebsocketDataVO();
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websocket.setCommend(WebsocketCommendEnum.DELAYED.getCommend());
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websocket.setData(form);
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// 发送websocket消息
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websocketServer.sendOneMessage(form.getUserId(), JSON.toJSONString(form));
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return Result.ok("操作成功");
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}
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@Override
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public Result forceSubmit(ForceSubmitForm form) {
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WebsocketDataVO websocket = new WebsocketDataVO();
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websocket.setCommend(WebsocketCommendEnum.FORCE_SUBMIT.getCommend());
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websocket.setData(form);
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// 发送websocket消息
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websocketServer.sendOneMessage(form.getUserId(), JSON.toJSONString(form));
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return Result.ok("操作成功");
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}
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}
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