学生考试分页增加提交状态，登录学生信息返回

fuliqi

2024-07-03 eda55530e64d87f6c642ce4596dc288a49f258cc

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

@@ -1,23 +1,35 @@
package com.ycl.jxkg.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson2.JSONArray;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.ycl.jxkg.base.Result;
import com.ycl.jxkg.base.SystemCode;
import com.ycl.jxkg.context.WebContext;
import com.ycl.jxkg.domain.entity.ExamPaper;
import com.ycl.jxkg.domain.entity.Question;
import com.ycl.jxkg.domain.exam.PaperFixQuestionDTO;
import com.ycl.jxkg.domain.exam.PaperQuestion;
import com.ycl.jxkg.domain.exam.PaperQuestionSettingDTO;
import com.ycl.jxkg.domain.exam.PaperSettingItem;
import com.ycl.jxkg.domain.form.ExamPaperForm;
import com.ycl.jxkg.domain.question.QuestionItemObject;
import com.ycl.jxkg.domain.question.RandomQuestionDTO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamResponseVO;
import com.ycl.jxkg.enums.ExamPaperTypeEnum;
import com.ycl.jxkg.domain.other.KeyValue;
import com.ycl.jxkg.domain.question.QuestionItemObject;
import com.ycl.jxkg.domain.question.QuestionObject;
import com.ycl.jxkg.domain.question.RandomQuestionDTO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperEditRequestVO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperPageRequestVO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperTitleItemVO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamResponseVO;
import com.ycl.jxkg.domain.vo.student.dashboard.PaperFilter;
import com.ycl.jxkg.domain.vo.student.dashboard.PaperInfo;
import com.ycl.jxkg.domain.vo.student.exam.ExamPaperPageVO;
import com.ycl.jxkg.enums.ExamPaperTypeEnum;
import com.ycl.jxkg.enums.QuestionTypeEnum;
import com.ycl.jxkg.enums.VisibilityEnum;
import com.ycl.jxkg.mapper.ExamPaperMapper;
@@ -27,27 +39,17 @@
import com.ycl.jxkg.service.SubjectService;
import com.ycl.jxkg.service.TextContentService;
import com.ycl.jxkg.utils.DateTimeUtil;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperEditRequestVO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperPageRequestVO;
import com.ycl.jxkg.domain.vo.admin.exam.ExamPaperTitleItemVO;
import com.ycl.jxkg.domain.vo.student.dashboard.PaperFilter;
import com.ycl.jxkg.domain.vo.student.dashboard.PaperInfo;
import com.ycl.jxkg.domain.vo.student.exam.ExamPaperPageVO;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.ycl.jxkg.domain.entity.ExamPaper;
import com.ycl.jxkg.utils.JsonUtil;
import com.ycl.jxkg.utils.PageInfoHelper;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;
import java.util.*;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.stream.Collectors;

@Service
@@ -69,6 +71,27 @@
        examPaper.setScore(new BigDecimal(form.getScore()));
        //随机试卷
        if (ExamPaperTypeEnum.Random.getCode().equals(form.getPaperType())) {
            //校验题目数量
            List<PaperQuestionSettingDTO> questionSetting = form.getQuestionSetting();
            for (PaperQuestionSettingDTO settingDTO : questionSetting) {
                Integer questionType = settingDTO.getQuestionType();
                for (PaperSettingItem item : settingDTO.getSettingList()) {
                    Integer num = item.getNum();
                    Integer difficult = item.getDifficult();
                    //需要配置的题目数量为0则跳过
                    if(num ==null || num ==0 )continue;
                    //前端默认数据为0，转换为null
                    if (0 == item.getDifficult()){
                        difficult= null;
                    }
                    RandomQuestionDTO randomQuestionDTO = new RandomQuestionDTO();
                    randomQuestionDTO.setQuestionType(questionType);
                    randomQuestionDTO.setSubjectId(item.getSubjectId());
                    randomQuestionDTO.setDifficult(difficult);
                    Integer numInData = questionMapper.selectByDifAndSub(randomQuestionDTO);
                    if(num > numInData)return Result.fail(SystemCode.InnerError.getCode(), QuestionTypeEnum.fromCode(questionType).getName()+"难度为"+item.getDifficult()+"的题目数量不足");
                }
            }
            examPaper.setContent(JSON.toJSONString(form.getQuestionSetting()));
            baseMapper.insert(examPaper);
            return Result.ok();
@@ -79,92 +102,64 @@
            return Result.ok();
        } else {
            //随序试卷
            Integer subjectId = form.getSubjectId();
            //题目配置
            List<PaperQuestionSettingDTO> questionSetting = form.getQuestionSetting();
            //题目配置里配的试卷类型
            List<Integer> types = questionSetting.stream().map(PaperQuestionSettingDTO::getQuestionType).collect(Collectors.toList());
            if (CollectionUtils.isEmpty(types)) {
                return Result.fail(SystemCode.InnerError.getCode(), "试卷题目类型不能为空");
            }
            Map<Integer, List<Integer>> map = questionMapper.selectBySubject(subjectId, types)
                    .stream().collect(Collectors.groupingBy(RandomQuestionDTO::getQuestionType, Collectors.mapping(RandomQuestionDTO::getQuestionId, Collectors.toList())));
            List<PaperFixQuestionDTO> questionTitleList = new ArrayList<>();
            // 遍历map
            for (Integer questionType : map.keySet()) {
                //数据库里的这个类型的题目
                List<Integer> questionIdList = map.get(questionType);
                Result InnerError1 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.SingleChoice.getCode());
                if (InnerError1 != null) return InnerError1;
                Result InnerError2 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.MultipleChoice.getCode());
                if (InnerError2 != null) return InnerError2;
                Result InnerError3 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.TrueFalse.getCode());
                if (InnerError3 != null) return InnerError3;
                Result InnerError4 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.GapFilling.getCode());
                if (InnerError4 != null) return InnerError4;
                Result InnerError5 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.ShortAnswer.getCode());
                if (InnerError5 != null) return InnerError5;
                Result InnerError6 = createQuestion(questionSetting, questionTitleList, questionType, questionIdList,QuestionTypeEnum.Calculation.getCode());
                if (InnerError6 != null) return InnerError6;
            for (PaperQuestionSettingDTO settingDTO : questionSetting) {
                List<PaperSettingItem> settingList = settingDTO.getSettingList();
                List<PaperQuestion> questionList = new ArrayList<>();
                for (PaperSettingItem item : settingList) {
                    Integer num = item.getNum();
                    Integer difficult = item.getDifficult();
                    //需要配置的题目数量为0则跳过
                    if(num ==null || num ==0 )continue;
                    //前端默认数据为0，转换为null
                    if (0 == difficult){
                        difficult = null;
                    }
                    List<Question> questions = questionMapper.getRandomQuestion(item.getSubjectId(), settingDTO.getQuestionType(), difficult, item.getNum());
                    if (CollectionUtils.isEmpty(questions) || item.getNum() > questions.size()) {
                        return Result.fail(SystemCode.InnerError.getCode(), QuestionTypeEnum.fromCode(settingDTO.getQuestionType()).getName()+"难度为："+item.getDifficult()+"的题目数量不足");
                    }
                    //转换数据
                    convert(questionList, item, questions);
                }
                    PaperFixQuestionDTO dto = new PaperFixQuestionDTO();
                    dto.setTitle(settingDTO.getTitle());
                    dto.setQuestionType(settingDTO.getQuestionType());
                    dto.setQuestionList(questionList);
                    questionTitleList.add(dto);
            }
            examPaper.setContent(JSON.toJSONString(form.getQuestionTitleList()));
            examPaper.setContent(JSON.toJSONString(questionTitleList));
            baseMapper.insert(examPaper);
            return Result.ok();
        }
    }
    //生成题目
    private Result createQuestion(List<PaperQuestionSettingDTO> questionSetting, List<PaperFixQuestionDTO> questionTitleList, Integer questionType, List<Integer> questionIdList , Integer questionEnumCode) {
        if (questionType.equals(questionEnumCode)) {
            //循环找到对应题目
            PaperQuestionSettingDTO settingDTO = new PaperQuestionSettingDTO();
            for (PaperQuestionSettingDTO dto : questionSetting) {
                if (dto.getQuestionType().equals(questionType)) {
                    settingDTO = dto;
                }
    //转换数据
    private void convert(List<PaperQuestion> questionList, PaperSettingItem item, List<Question> questions) {
        for (Question question : questions) {
            PaperQuestion paperQuestion = new PaperQuestion();
            BeanUtils.copyProperties(question,paperQuestion);
            paperQuestion.setScore(item.getScore());
            //转换
            QuestionObject questionObject = JSONObject.parseObject(question.getContent(), QuestionObject.class);
            if(questionObject != null){
                paperQuestion.setItems(questionObject.getQuestionItemObjects());
                paperQuestion.setAnalyze(questionObject.getAnalyze());
                paperQuestion.setTitle(questionObject.getTitleContent());
            }
            // 需要生成的题目数量
            Integer num = settingDTO.getNum();
            if(num ==0){
                //题目配置此类型数量为0，跳过，不生成题目。
                return null;
            }
            if (CollectionUtils.isEmpty(questionIdList) || num > questionIdList.size()) {
                return Result.fail(SystemCode.InnerError.getCode(), "题目数量不足");
            }
            // 使用Random类生成不重复的随机索引
            Set<Integer> indexes = new HashSet<>();
            Random random = new Random();
            while (indexes.size() < num) {
                int index = random.nextInt(questionIdList.size());
                indexes.add(index);
            }
            // 根据索引获取题目
            List<Integer> questionIds = new ArrayList<>();
            for (int index : indexes) {
                questionIds.add(questionIdList.get(index));
            }
            QueryWrapper<Question> wrapper = new QueryWrapper<>();
            wrapper.in("id",questionIds);
            List<Question> questions = questionMapper.selectList(wrapper);
            List<PaperQuestion> questionList = new ArrayList<>();
            for (Question question : questions) {
                PaperQuestion paperQuestion = new PaperQuestion();
                BeanUtils.copyProperties(question,paperQuestion);
                paperQuestion.setScore(settingDTO.getScore());
                paperQuestion.setItems(JSONArray.parseArray(question.getContent(), QuestionItemObject.class));
                questionList.add(paperQuestion);
            }
            PaperFixQuestionDTO dto = new PaperFixQuestionDTO();
            dto.setTitle(settingDTO.getTitle());
            dto.setQuestionType(questionType);
            dto.setQuestionList(questionList);
            questionTitleList.add(dto);
            questionList.add(paperQuestion);
        }
        return null;
    }


    @Override
    public Result updateExamPaper(ExamPaperForm form) {
        //TODO：验证是否是试卷创建人
        ExamPaper examPaper = ExamPaperForm.getEntityByForm(form, null);
        examPaper.setScore(new BigDecimal(form.getScore()));
        //随机试卷
@@ -187,6 +182,7 @@

    @Override
    public PageInfo<ExamResponseVO> page(ExamPaperPageRequestVO requestVM) {
        //TODO: 数据权限
        PageInfo<ExamPaper> page = PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                examPaperMapper.page(requestVM));
        PageInfo<ExamResponseVO> pageVO = PageInfoHelper.copyMap(page, e -> {
@@ -259,6 +255,7 @@
            vo.setQuestionTitleList(JSONArray.parseArray(examPaper.getContent(), PaperFixQuestionDTO.class));
        } else {
            //随序试卷
            vo.setQuestionTitleList(JSONArray.parseArray(examPaper.getContent(), PaperFixQuestionDTO.class));
        }
        return vo;
    }