package com.ycl.jxkg.service.impl;
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import com.ycl.jxkg.domain.entity.ExamPaperScore;
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import com.ycl.jxkg.domain.entity.Question;
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import com.ycl.jxkg.domain.vo.DoQuestionVO;
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import com.ycl.jxkg.domain.vo.PaperFixQuestionVO;
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import com.ycl.jxkg.domain.vo.student.wrong.WrongRequestVo;
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import com.ycl.jxkg.mapper.ExamPaperScoreMapper;
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import com.ycl.jxkg.mapper.QuestionMapper;
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import com.ycl.jxkg.service.WrongService;
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import com.ycl.jxkg.utils.JsonUtil;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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@Service
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@RequiredArgsConstructor
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@Slf4j
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public class WrongServiceImpl implements WrongService {
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@Autowired
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private ExamPaperScoreMapper examPaperScoreMapper;
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@Autowired
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private QuestionMapper questionMapper;
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/**
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* 分页条件查询错题
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* */
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@Override
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public List<DoQuestionVO> page(WrongRequestVo wrongRequestVo) {
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// 查询该用户的所有非随机试卷及试卷错题
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// List<ExamPaperScore> examPaperScores = examPaperScoreMapper
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// .selectList(new LambdaQueryChainWrapper<>(ExamPaperScore.class)
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// .eq(ExamPaperScore::getUserId,wrongRequestVo.getUserId()));
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// 查询该用户的所有考试
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List<ExamPaperScore> examPaperScores = examPaperScoreMapper.selectByUserId(wrongRequestVo.getUserId());
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List<PaperFixQuestionVO> paperList = new ArrayList<>();
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List<DoQuestionVO> questions = new ArrayList<>();
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// 遍历所有考试获得考试详情
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examPaperScores.stream().forEach(examPaperScore -> {
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try{
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// 解析json字符串
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List<PaperFixQuestionVO> paperFixQuestionVOS = JsonUtil.toJsonListObject(examPaperScore.getPaperContent(), PaperFixQuestionVO.class);
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paperFixQuestionVOS.stream().forEach(paperFixQuestionVO -> {
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List<DoQuestionVO> doQuestionVOS = paperFixQuestionVO.getQuestionList().stream()
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.filter(doQuestionVO -> !doQuestionVO.getRight())
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.map(doQuestionVO -> {
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// 根据id查询题干
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Question question = questionMapper.selectById(doQuestionVO.getId());
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doQuestionVO.setExamId(examPaperScore.getExamId());
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doQuestionVO.setExamName(examPaperScore.getExamName());
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doQuestionVO.setTitle(question.getTitle());
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return doQuestionVO;
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})
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.collect(Collectors.toList());
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questions.addAll(doQuestionVOS);
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});
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}catch (Exception e){
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e.printStackTrace();
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}
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});
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return questions;
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}
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}
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