SEEC-DataAnalysis2.0/src/main/java/com/seecoder/dataanalysis/analysis/impl/DataAnalysisServiceImpl.java

package com.seecoder.dataanalysis.analysis.impl;

import com.seecoder.dataanalysis.analysis.DataAnalysisService;
import com.seecoder.dataanalysis.data.dao.competency.CompetencyTreeDao;
import com.seecoder.dataanalysis.data.dao.eval.EvalExamInfoDao;
import com.seecoder.dataanalysis.data.dao.eval.EvalExamRecordDao;
import com.seecoder.dataanalysis.data.dao.eval.QuestionDao;
import com.seecoder.dataanalysis.data.entity.competency.CompetencyTree;
import com.seecoder.dataanalysis.data.entity.competency.DScore;
import com.seecoder.dataanalysis.data.entity.competency.KSDScore;
import com.seecoder.dataanalysis.data.entity.competency.KSScore;
import com.seecoder.dataanalysis.data.entity.eval.EvalExamInfo;
import com.seecoder.dataanalysis.data.entity.eval.EvalExamRecord;
import com.seecoder.dataanalysis.data.entity.eval.Question;
import com.seecoder.dataanalysis.vo.EvalExamRecordDTO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

/**
 * @author Peng Yiyan
 * @since 2022/02/03
 */

@Service
public class DataAnalysisServiceImpl implements DataAnalysisService {
    @Autowired
    private EvalExamRecordDao evalExamRecordDao;
    @Autowired
    private EvalExamInfoDao evalExamInfoDao;
    @Autowired
    private CompetencyTreeDao competencyTreeDao;
    @Autowired
    private QuestionDao questionDao;

    @Override
    public CompetencyTree getTreeById(int student_id){
        return null;
    }

    @Override
    public CompetencyTree getTreeAfterExam(int exam_id){
        //TODO 测试检查
        EvalExamRecord evalExamRecord = evalExamRecordDao.findById(exam_id).get();
        EvalExamInfo evalExamInfo = evalExamInfoDao.findById(exam_id).get();
        CompetencyTree competencyTree = competencyTreeDao.findByStudentId(evalExamRecord.getStudentId());

        //数据取完，开始进行KSD分析和入库
        List<KSDScore> subTree = competencyTree.getSubCompetencyTree();
        Integer difficulty = evalExamInfo.getDifficulty();
        String disposition = evalExamInfo.getDisposition();
        Double tree_Score = competencyTree.getTreeScore();
        //得到学生所有题目的得分
        Map<String, Double> studentScores = evalExamRecord.getErrorQuestions();
        Map<String,Double> questionAndScore = evalExamInfo.getQuestionAndScore();
        for(Map.Entry<String, Double> entry : studentScores.entrySet()){
            String questionId = entry.getKey();
            Question question = questionDao.findById(questionId).get();
            //在能力树中加成的部分 = 学生得分 * 试卷难度
            Double percent = difficulty * studentScores.get(questionId);
            tree_Score += percent;
            //根据competency找大分类
            for(KSDScore ksdScore : subTree){
                if(ksdScore.getCompetency().equals(question.getCompetency())){
                    //增加该能力子树的分数
                    Double total_score = ksdScore.getTotalScore();
                    total_score += percent;
                    ksdScore.setTotalScore(total_score);
                    //在对应的competency下进行下一步小分类
                    //修改K-S的分数
                    List<KSScore> subKS = ksdScore.getKSScore();
                    for(KSScore ksScore : subKS){
                        if(ksScore.getKnowledge() == question.getKsScore().getKnowledge()){
                            List<Double> Skills = ksScore.getSkillsAndScore();
                            for(int i=0;i<Skills.size();i++){
                                Double score = question.getKsScore().getSkillsAndScore().get(i) * percent + Skills.get(i);
                                Skills.set(i,score);
                            }
                            ksScore.setSkillsAndScore(Skills);
                            break;
                        }
                    }
                    List<DScore> subD = ksdScore.getDScore();
                    //修改Disposition的分数
                    for(DScore dScore : subD){
                        if(dScore.getName().equals(disposition)){
                            Double score = percent + dScore.getScore();
                            dScore.setScore(score);
                            break;
                        }
                    }
                }
            }
        }
        //处理完考试中的每个问题后，更新能力树
        competencyTree.setTreeScore(tree_Score);
        competencyTreeDao.save(competencyTree);

        return competencyTree;
    }
}