1

fuliqi

2024-06-17 79c0181cb9c1fccf51836374482b0d65dd06775f

 src/main/java/com/ycl/jxkg/service/impl/ExamServiceImpl.java

@@ -1,10 +1,20 @@
package com.ycl.jxkg.service.impl;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.ycl.jxkg.context.WebContext;
import com.ycl.jxkg.domain.entity.Exam;
import com.ycl.jxkg.domain.entity.ExamSubmitTemp;
import com.ycl.jxkg.domain.entity.Question;
import com.ycl.jxkg.domain.vo.DoQuestionVO;
import com.ycl.jxkg.domain.vo.ExamSubmitVO;
import com.ycl.jxkg.enums.QuestionTypeEnum;
import com.ycl.jxkg.enums.general.ExamStatusEnum;
import com.ycl.jxkg.enums.general.ExamSubmitTempStatusEnum;
import com.ycl.jxkg.mapper.ExamMapper;
import com.ycl.jxkg.mapper.ExamSubmitTempMapper;
import com.ycl.jxkg.mapper.QuestionMapper;
import com.ycl.jxkg.service.ExamService;
import com.ycl.jxkg.base.Result;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -17,7 +27,10 @@
import org.springframework.beans.BeanUtils;
import org.springframework.util.Assert;

import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

/**
@@ -32,9 +45,12 @@

    private final ExamMapper examMapper;
    private final WebContext webContext;
    private final QuestionMapper questionMapper;
    private final ExamSubmitTempMapper examSubmitTempMapper;

    /**
     * 添加
     *
     * @param form
     * @return
     */
@@ -49,6 +65,7 @@

    /**
     * 修改
     *
     * @param form
     * @return
     */
@@ -65,6 +82,7 @@

    /**
     * 批量删除
     *
     * @param ids
     * @return
     */
@@ -76,6 +94,7 @@

    /**
     * id删除
     *
     * @param id
     * @return
     */
@@ -87,6 +106,7 @@

    /**
     * 分页查询
     *
     * @param query
     * @return
     */
@@ -99,6 +119,7 @@

    /**
     * 根据id查找
     *
     * @param id
     * @return
     */
@@ -111,6 +132,7 @@

    /**
     * 列表
     *
     * @return
     */
    @Override
@@ -121,4 +143,76 @@
                .collect(Collectors.toList());
        return Result.ok().data(vos);
    }

    @Override
    public Result examSubmit(ExamSubmitVO submitData) {
        // 校验
        Exam exam = examMapper.selectById(submitData.getExamId());
        if (Objects.isNull(exam)) {
            throw new RuntimeException("该考试不存在");
        }
        // 判断单选、多选、判断题对错
        List<Integer> questionIds = submitData.getQuestionList().stream().map(DoQuestionVO::getId).collect(Collectors.toList());
        List<Question> questionList = questionMapper.getAnswerInfo(questionIds);
        Map<Integer, Question> answerMap = questionList.stream().collect(Collectors.toMap(Question::getId, entity -> entity));
        submitData.getQuestionList().stream().forEach(item -> {
            Question question = answerMap.get(item.getId());
            if (Objects.nonNull(question)
                    && (QuestionTypeEnum.SingleChoice.getCode().equals(question.getQuestionType())
                    || QuestionTypeEnum.MultipleChoice.getCode().equals(question.getQuestionType())
                    || QuestionTypeEnum.TrueFalse.getCode().equals(question.getQuestionType())
            )) {
                String correct = question.getCorrect();
                if (QuestionTypeEnum.MultipleChoice.getCode().equals(question.getQuestionType())) {
                    // 如果是选择题，那么将答案转为list
                    List<String> answerList = JSON.parseArray(correct, String.class);
                    item.setRight(answerList.containsAll(item.getAnswerList()));
                } else {
                    item.setRight(question.getCorrect().equals(item.getAnswer()));
                }
            }
        });
        // 阅卷后才往exam_paper_answer保存考试成绩、以及保存到exam_paper_customer_answer
        // 现在只需要保存到一张临时表
        // 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
        saveTempExam(submitData, ExamSubmitTempStatusEnum.FINISH);
        return Result.ok();
    }

    @Override
    public Result timingSubmit(ExamSubmitVO submitData) {
        saveTempExam(submitData, ExamSubmitTempStatusEnum.TEMP);
        return Result.ok();
    }

    /**
     * 保存临时试卷
     *
     * @param submitData  前端传递的试卷数据
     * @param status  试卷的状态
     */
    public void saveTempExam(ExamSubmitVO submitData, ExamSubmitTempStatusEnum status) {
        ExamSubmitTemp one = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
                .eq(ExamSubmitTemp::getExamId, submitData.getExamId())
                .eq(ExamSubmitTemp::getUserId, webContext.getCurrentUser().getId())
                .one();
        if (Objects.nonNull(one)) {
            if (ExamSubmitTempStatusEnum.FINISH.equals(one.getStatus())) {
                return;
            }
            one.setDoTime(submitData.getDoTime());
            one.setExamSubmit(JSON.toJSONString(submitData.getQuestionList()));
            one.setCreateTime(new Date());
            one.setStatus(status);
            examSubmitTempMapper.updateById(one);
        } else {
            ExamSubmitTemp examSubmitTemp = new ExamSubmitTemp();
            examSubmitTemp.setExamId(submitData.getExamId());
            examSubmitTemp.setDoTime(submitData.getDoTime());
            examSubmitTemp.setStatus(status);
            examSubmitTemp.setUserId(webContext.getCurrentUser().getId());
            examSubmitTemp.setExamSubmit(JSON.toJSONString(submitData.getQuestionList()));
            examSubmitTempMapper.insert(examSubmitTemp);
        }
    }
}