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.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.ExamSubmitTemp;
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import com.ycl.jxkg.domain.entity.Question;
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import com.ycl.jxkg.domain.vo.DoQuestionVO;
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import com.ycl.jxkg.domain.vo.ExamSubmitVO;
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import com.ycl.jxkg.enums.QuestionTypeEnum;
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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.ExamMapper;
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import com.ycl.jxkg.mapper.ExamSubmitTempMapper;
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import com.ycl.jxkg.mapper.QuestionMapper;
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import com.ycl.jxkg.service.ExamService;
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import com.ycl.jxkg.base.Result;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ycl.jxkg.domain.form.ExamForm;
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import com.ycl.jxkg.domain.vo.ExamVO;
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import com.ycl.jxkg.domain.query.ExamQuery;
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import org.springframework.stereotype.Service;
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import lombok.RequiredArgsConstructor;
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import com.ycl.jxkg.utils.PageUtil;
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import org.springframework.beans.BeanUtils;
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import org.springframework.util.Assert;
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import java.util.Date;
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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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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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/**
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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);
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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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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@Override
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public Result examSubmit(ExamSubmitVO submitData) {
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// 校验
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Exam exam = examMapper.selectById(submitData.getExamId());
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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 = submitData.getQuestionList().stream().map(DoQuestionVO::getId).collect(Collectors.toList());
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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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ExamSubmitTemp one = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
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.eq(ExamSubmitTemp::getExamId, submitData.getExamId())
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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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one.setDoTime(submitData.getDoTime());
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one.setExamSubmit(JSON.toJSONString(submitData.getQuestionList()));
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one.setCreateTime(new Date());
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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.getExamId());
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examSubmitTemp.setDoTime(submitData.getDoTime());
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examSubmitTemp.setStatus(ExamSubmitTempStatusEnum.FINISH);
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examSubmitTemp.setUserId(webContext.getCurrentUser().getId());
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examSubmitTemp.setExamSubmit(JSON.toJSONString(submitData.getQuestionList()));
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examSubmitTempMapper.insert(examSubmitTemp);
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}
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return Result.ok();
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}
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}
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