龚焕茏
2024-05-14 b19d7869a20efec118e6e2b3384b43b53e3ffb27
src/main/java/com/mindskip/xzs/service/impl/SelfPracticeServiceImpl.java
@@ -9,9 +9,13 @@
import com.mindskip.xzs.domain.ExamPaperAnswer;
import com.mindskip.xzs.domain.Question;
import com.mindskip.xzs.domain.SelfPractice;
import com.mindskip.xzs.domain.enums.PracticeQuestionTypeEnum;
import com.mindskip.xzs.domain.enums.PracticeTypeEnum;
import com.mindskip.xzs.domain.enums.QuestionTypeEnum;
import com.mindskip.xzs.domain.vo.QuestionContentVO;
import com.mindskip.xzs.domain.vo.QuestionVO;
import com.mindskip.xzs.domain.vo.SelfPracticeVO;
import com.mindskip.xzs.domain.vo.SubjectQuestionVO;
import com.mindskip.xzs.repository.QuestionMapper;
import com.mindskip.xzs.repository.QuestionSubjectMapper;
import com.mindskip.xzs.repository.SelfPracticeMapper;
@@ -23,6 +27,7 @@
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Objects;
@@ -87,26 +92,37 @@
        if (Objects.isNull(en)) {
            throw new RuntimeException("练习不存在");
        }
        if (StringUtils.hasText(en.getQuestionIds())) {
            // 生成了题目就直接查
            List<Integer> questionIdList = JSON.parseArray(en.getQuestionIds(), Integer.class);
            List<QuestionVO> vos = questionMapper.getVoByIds(questionIdList);
            jsonQuestion(vos);
            return RestResponse.ok(vos);
        } else {
            // 没生成过就随机生成题目
            List<Integer> subjectIds = JSON.parseArray(en.getSubjects(), Integer.class);
            Integer totalQuestionNum = questionSubjectMapper.countQuestionNum(subjectIds);
            if (totalQuestionNum < en.getQuestionNum()) {
                throw new RuntimeException("你所选的课目题目数量不足");
        List<Integer> subjectIds = JSON.parseArray(en.getSubjects(), Integer.class);
        if (PracticeTypeEnum.ORDERED.getValue().equals(en.getPracticeType())) {
            List<SubjectQuestionVO> list = new ArrayList<>(2);
            // 顺序做题,把选择的题库的题(id)全部查出来,前端有个序号面板,点击哪道题做哪道
            for (Integer subjectId : subjectIds) {
                String subjectName = subjectMapper.selectSubjectNameById(subjectId);
                // todo根据做题记录查询做没做过
                List<Integer> questionIds = new ArrayList<>();
                if (PracticeQuestionTypeEnum.ALL.getValue().equals(en.getQuestionType())) {
                    questionIds = questionSubjectMapper.questionsBySubjectId(subjectId);
                } else {
                    questionIds = questionSubjectMapper.questionsBySubjectIdAndQuestionType(subjectId, PracticeQuestionTypeEnum.getDataBaseValueByValue(en.getQuestionType()));
                }
                SubjectQuestionVO subjectQuestionVO = new SubjectQuestionVO();
                subjectQuestionVO.setSubjectId(subjectId);
                subjectQuestionVO.setSubjectName(subjectName);
                subjectQuestionVO.setQuestionIds(questionIds);
                list.add(subjectQuestionVO);
            }
            // 查询出课目下随机的设定数量题目
            List<QuestionVO> questionVOList = questionSubjectMapper.getRandomQuestionId(subjectIds, en.getQuestionNum());
            List<Integer> ids = questionVOList.stream().map(QuestionVO::getId).collect(Collectors.toList());
            selfPracticeMapper.setQuestionIds(en.getId(), JSON.toJSONString(ids));
            jsonQuestion(questionVOList);
            return RestResponse.ok(questionVOList);
            return RestResponse.ok(list);
        } else if (PracticeTypeEnum.RANDOM.getValue().equals(en.getPracticeType())) {
            // 随机练习,是一道题一道题练习
            List<QuestionVO> one = questionSubjectMapper.getRandomQuestionId(subjectIds, PracticeQuestionTypeEnum.getDataBaseValueByValue(en.getQuestionType()), 1);
            if (one.size() < 1) {
                throw new RuntimeException("没有找到题目,可能所选课目包含题目不足");
            }
            QuestionVO questionVO = one.get(0);
            jsonQuestion(questionVO);
            return RestResponse.ok(questionVO);
        }
        return RestResponse.ok();
    }
    @Override
@@ -115,18 +131,42 @@
        return RestResponse.ok(num);
    }
    @Override
    public RestResponse randomOneQuestion(Integer id) {
        SelfPractice en = selfPracticeMapper.selectById(id);
        if (Objects.isNull(en)) {
            throw new RuntimeException("练习不存在");
        }
        List<Integer> subjectIds = JSON.parseArray(en.getSubjects(), Integer.class);
        List<QuestionVO> one = questionSubjectMapper.getRandomQuestionId(subjectIds, PracticeQuestionTypeEnum.getDataBaseValueByValue(en.getQuestionType()), 1);
        if (one.size() < 1) {
            throw new RuntimeException("没有找到题目,可能所选课目包含题目不足");
        }
        QuestionVO questionVO = one.get(0);
        jsonQuestion(questionVO);
        return RestResponse.ok(questionVO);
    }
    /**
     * 处理题目内容JSON
     *
     * @param vos
     * @param questionVO
     */
    public void jsonQuestion(List<QuestionVO> vos) {
        vos.stream().forEach(vo -> {
            if (StringUtils.hasText(vo.getContentJson())) {
                QuestionContentVO questionContent = JSON.parseObject(vo.getContentJson(), QuestionContentVO.class);
                vo.setContent(questionContent);
    public void jsonQuestion(QuestionVO questionVO) {
        if (StringUtils.hasText(questionVO.getContentJson())) {
            QuestionContentVO questionContent = JSON.parseObject(questionVO.getContentJson(), QuestionContentVO.class);
            questionVO.setContent(questionContent);
        }
        if (QuestionTypeEnum.MultipleChoice.getCode().equals(questionVO.getQuestionType())) {
            // 多选题需要返回答案数量,学员选中对应数量才查询答案
            if (StringUtils.hasText(questionVO.getCorrect())) {
                questionVO.setAnswerNum(questionVO.getCorrect().split(",").length);
            }
        });
        }
        questionVO.setContentJson("");
        questionVO.setCorrect("");
        questionVO.getContent().setCorrect("");
        questionVO.getContent().setAnalyze("");
    }
}