Merge remote-tracking branch 'origin/master'

xiangpei

2024-05-11 ccca8c65b3c76a9021a471a3667d61d965a4f2cb

 src/main/java/com/mindskip/xzs/service/impl/SelfPracticeServiceImpl.java

@@ -7,17 +7,21 @@
import com.mindskip.xzs.base.RestResponse;
import com.mindskip.xzs.context.WebContext;
import com.mindskip.xzs.domain.ExamPaperAnswer;
import com.mindskip.xzs.domain.Question;
import com.mindskip.xzs.domain.SelfPractice;
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.repository.QuestionMapper;
import com.mindskip.xzs.repository.QuestionSubjectMapper;
import com.mindskip.xzs.repository.SelfPracticeMapper;
import com.mindskip.xzs.repository.SubjectMapper;
import com.mindskip.xzs.service.QuestionSubjectService;
import com.mindskip.xzs.service.SelfPracticeService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.List;
@@ -36,6 +40,7 @@
    private final WebContext webContext;
    private final QuestionSubjectMapper questionSubjectMapper;
    private final SubjectMapper subjectMapper;
    private final QuestionMapper questionMapper;

    @Override
    public RestResponse add(SelfPracticeVO vo) {
@@ -75,4 +80,53 @@
        selfPracticeMapper.remove(ids);
        return RestResponse.ok("删除成功");
    }

    @Override
    public RestResponse startPractice(Integer id) {
        SelfPractice en = selfPracticeMapper.selectById(id);
        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");
            }
            // 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);
        }
    }

    @Override
    public RestResponse subjectQuestionNum(List<Integer> subjectIds) {
        Integer num = questionSubjectMapper.countQuestionNum(subjectIds);
        return RestResponse.ok(num);
    }


    /**
     * 处理题目内容JSON
     *
     * @param vos
     */
    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);
            }
        });
    }
}