feat：新增考试记录题目查看

龚焕茏

2024-07-02 8cc9559b0a1509e655acf8f939318368a1fe95d6

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

@@ -29,10 +29,13 @@
import com.ycl.jxkg.enums.general.ExamStatusEnum;
import com.ycl.jxkg.enums.general.ExamSubmitTempStatusEnum;
import com.ycl.jxkg.mapper.*;
import com.ycl.jxkg.rabbitmq.msg.ExamStatusMsg;
import com.ycl.jxkg.rabbitmq.product.Producer;
import com.ycl.jxkg.server.WebsocketServer;
import com.ycl.jxkg.service.ExamPaperScoreService;
import com.ycl.jxkg.service.ExamPaperService;
import com.ycl.jxkg.service.ExamService;
import com.ycl.jxkg.utils.DateTimeUtil;
import com.ycl.jxkg.utils.PageUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
@@ -56,6 +59,8 @@
@RequiredArgsConstructor
public class ExamServiceImpl extends ServiceImpl<ExamMapper, Exam> implements ExamService {

    private static final String ANSWER_SPLIT = ",";

    private final ExamMapper examMapper;
    private final WebContext webContext;
    private final QuestionMapper questionMapper;
@@ -67,7 +72,8 @@
    private final UserMapper userMapper;
    private final ExamPaperScoreMapper examPaperScoreMapper;
    private final ExamPaperScoreService examPaperScoreService;
    private static final String ANSWER_SPLIT = ",";

    private final Producer producer;

    /**
     * 添加
@@ -80,7 +86,11 @@
        Exam entity = ExamForm.getEntityByForm(form, null);
        entity.setStatus(ExamStatusEnum.getStatusByTime(form.getStartTime(), form.getEndTime(), null));
        entity.setTeacherId(webContext.getCurrentUser().getId());
        baseMapper.insert(entity);
        // 设置乐观锁版本
        entity.setUpdateVersion(0);
        if (baseMapper.insert(entity) > 0) {
            this.sendMQ(entity, 0);
        }
        return Result.ok("添加成功");
    }

@@ -96,13 +106,61 @@
        // 为空抛IllegalArgumentException，做全局异常处理
        Assert.notNull(entity, "记录不存在");
        // 判断考试状态
        if (!ExamStatusEnum.NOT_START.equals(entity.getStatus())) {
        if (! ExamStatusEnum.NOT_START.equals(entity.getStatus())) {
            throw new RuntimeException("只能修改还未开始的考试");
        }
        BeanUtils.copyProperties(form, entity);
        entity.setStatus(ExamStatusEnum.getStatusByTime(form.getStartTime(), form.getEndTime(), null));
        baseMapper.updateById(entity);
        // 如果修改成功发送mq消息
        if (baseMapper.updateById(entity) > 0) {
            this.sendMQ(entity, entity.getUpdateVersion() + 1);
        }
        return Result.ok("修改成功");
    }

    /**
     * 发送mq消息
     *
     * @param entity 考试实体类
     * @param version 乐观锁版本
     */
    public void sendMQ(Exam entity, Integer version) {
        // 如果当前状态为未开始，则发送两条mq消息，一条设置状态为进行中，一条设置状态为已结束
        if (ExamStatusEnum.NOT_START.equals(entity.getStatus())) {
            // 进行状态消息
            ExamStatusMsg ingMsg = new ExamStatusMsg();
            ingMsg.setVersion(version);
            ingMsg.setExamId(entity.getId());
            ingMsg.setTargetStatus(ExamStatusEnum.ING);
            producer.examMsg(entity.getId(), JSON.toJSONString(ingMsg), DateTimeUtil.getTwoTimeDiffMS(entity.getStartTime(), new Date()));
            // 结束状态消息
            ExamStatusMsg finishedMsg = new ExamStatusMsg();
            finishedMsg.setVersion(version);
            finishedMsg.setExamId(entity.getId());
            finishedMsg.setTargetStatus(ExamStatusEnum.FINISHED);
            producer.examMsg(entity.getId(), JSON.toJSONString(finishedMsg), DateTimeUtil.getTwoTimeDiffMS(entity.getEndTime(), new Date()));
        } else if (ExamStatusEnum.ING.equals(entity.getStatus())) { // 当前是进行中状态则只需发送结束消息
            // 结束状态消息
            ExamStatusMsg finishedMsg = new ExamStatusMsg();
            finishedMsg.setVersion(0);
            finishedMsg.setExamId(entity.getId());
            finishedMsg.setTargetStatus(ExamStatusEnum.FINISHED);
            producer.examMsg(entity.getId(), JSON.toJSONString(finishedMsg), DateTimeUtil.getTwoTimeDiffMS(entity.getEndTime(), new Date()));
        }
    }

    /**
     * 根据考试的当前状态，得到下一个状态
     *
     * @param currentStatus
     * @return
     */
    public ExamStatusEnum getNextStatus(ExamStatusEnum currentStatus) {
        if (ExamStatusEnum.NOT_START.equals(currentStatus)) {
            return ExamStatusEnum.ING;
        } else {
            return ExamStatusEnum.FINISHED;
        }
    }

    /**
@@ -411,8 +469,10 @@
        // 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
        //TODO:暂时改为temp方便测试
        saveTempExam(submitData, ExamSubmitTempStatusEnum.temp);
        saveTempExam(submitData, ExamSubmitTempStatusEnum.finish);

        //TODO:考试状态设定为结束

        return Result.ok();
    }

@@ -475,7 +535,7 @@
            throw new RuntimeException("考试试卷不存在");
        }
        List<ExamSubmitTemp> examSubmitTempList = new LambdaQueryChainWrapper<>(examSubmitTempMapper)
                .eq(ExamSubmitTemp::getDeleted, 0)
                .eq(ExamSubmitTemp::getDeleted,0)
                .eq(ExamSubmitTemp::getExamId, id)
                .list();
        // 参考人数