package com.ots.project.exam.service.impl;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.ots.common.enums.QuestionTypeEnum;
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import com.ots.project.exam.domain.ExamPaperAnswer;
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import com.ots.project.exam.domain.ExamPaperQuestionCustomerAnswer;
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import com.ots.project.exam.domain.ExamUser;
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import com.ots.project.exam.domain.TExamPaper;
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import com.ots.project.exam.domain.TQuestion;
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import com.ots.project.exam.dto.ExamPaperAnswerInfo;
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import com.ots.project.exam.dto.ExamPaperQuestionItemObject;
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import com.ots.project.exam.dto.ExamPaperTitleItemObject;
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import com.ots.project.exam.dto.QuestionPart;
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import com.ots.project.exam.dto.SubmitReport;
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import com.ots.project.exam.mapper.ExamPaperAnswerMapper;
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import com.ots.project.exam.mapper.TExamPaperMapper;
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import com.ots.project.exam.mapper.TQuestionMapper;
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import com.ots.project.exam.service.ExamPaperAnswerService;
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import com.ots.project.exam.service.ITTextContentService;
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import com.ots.project.exam.viewmodel.ExamPaperAnswerPageVM;
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import com.ots.project.exam.viewmodel.ExamPaperSubmitItemVM;
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import com.ots.project.exam.viewmodel.ExamPaperSubmitVM;
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import com.ots.project.tool.exam.ExamUtil;
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import com.ots.project.tool.exam.JsonUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.Collectors;
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@Service
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public class ExamPaperAnswerServiceImpl implements ExamPaperAnswerService {
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private static final Logger log = LoggerFactory.getLogger(ExamPaperAnswerServiceImpl.class);
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@Autowired
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private TExamPaperMapper examPaperMapper;
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@Autowired
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private ExamPaperAnswerMapper examPaperAnswerMapper;
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@Autowired
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private ITTextContentService textContentService;
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@Autowired
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private TQuestionMapper questionMapper;
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@Override
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public ExamPaperAnswerInfo calculateExamPaperAnswer(ExamPaperSubmitVM examPaperSubmitVM, ExamUser user) {
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ExamPaperAnswerInfo examPaperAnswerInfo = new ExamPaperAnswerInfo();
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Date now = new Date();
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TExamPaper examPaper = examPaperMapper.selectTExamPaperById(examPaperSubmitVM.getId().longValue());
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String frameTextContent = textContentService.selectTTextContentById(examPaper.getFrameTextContentId()).getContent();
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List<ExamPaperTitleItemObject> examPaperTitleItemObjects = JsonUtil.toJsonListObject(frameTextContent, ExamPaperTitleItemObject.class);
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List<Integer> questionIds = examPaperTitleItemObjects.stream().flatMap(t -> t.getQuestionItems().stream().map(q -> q.getId())).collect(Collectors.toList());
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List<TQuestion> questions = questionMapper.selectByIds(questionIds);
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// 是否跳到下一段
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setWhichPart(examPaperSubmitVM, examPaperAnswerInfo, examPaperTitleItemObjects, questions);
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examPaperAnswerInfo.setExamPaper(examPaper);
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return examPaperAnswerInfo;
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}
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// 判断是否跳到下一段
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private void setWhichPart(ExamPaperSubmitVM examPaperSubmitVM, ExamPaperAnswerInfo examPaperAnswerInfo, List<ExamPaperTitleItemObject> examPaperTitleItemObjects, List<TQuestion> questions) {
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// 分片不足多少分不能答题,答题本应该的分数是否到了阀值。
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if (Objects.isNull(examPaperSubmitVM.getPartOrder())) {
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return;
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}
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int answerPartOrder = examPaperSubmitVM.getPartOrder();
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SubmitReport submitReport = new SubmitReport();
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if (Objects.isNull(answerPartOrder)) {
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submitReport.setJump("this");
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examPaperAnswerInfo.setSubmitReport(submitReport);
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return;
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}
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// 计算是否得分
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List<ExamPaperSubmitItemVM> answerItems = examPaperSubmitVM.getAnswerItems();
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// 用户答的选项
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// (questionId, content答的项)
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Map<Integer, String> answerContentMap = getAnswerContentMap(answerItems);
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// 原始分片
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Map<Integer, QuestionPart> partMap = getParts(examPaperTitleItemObjects);
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// 那一题是那一片
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// (questionId, partOrder)
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Map<Integer, Integer> questionPartOrdeMap = getQuestionPartOrdeMap(examPaperTitleItemObjects);
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// 用户答多少分得分
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// (partOrder, score)
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Map<Integer, Integer> partAnswerScoreMap = new HashMap<>();
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// 本段本来应该得多少分
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// (partOrder, score)
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Map<Integer, Integer> partQuestionScoreMap = new HashMap<>();
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// 用户本段耗时
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Map<Integer, Integer> partAnswerTimeMap = new HashMap<>();
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setAnswerScoreMap(questions, answerContentMap, questionPartOrdeMap, partAnswerScoreMap, partQuestionScoreMap);
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// 本应得多少分到了阀值。
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// System.out.println("本段应该得多少分：" + partQuestionScoreMap.get(answerPartOrder));
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// System.out.println("本段最低分：" + partMap.get(answerPartOrder).getLowestScore());
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// System.out.println("自己得分：" + partAnswerScoreMap.get(answerPartOrder));
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// if (Objects.nonNull(answerPartOrder) && partQuestionScoreMap.get(answerPartOrder) >= partMap.get(answerPartOrder).getLowestScore()) {
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// if (partAnswerScoreMap.get(answerPartOrder) < partQuestionScoreMap.get(answerPartOrder)) {
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// submitReport.setJump("next");
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// } else {
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// submitReport.setJump("this");
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// }
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// } else {
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// submitReport.setJump("this");
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// }
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examPaperAnswerInfo.setSubmitReport(submitReport);
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// 时间的判断
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}
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private void setAnswerScoreMap(List<TQuestion> questions, Map<Integer, String> answerContentMap, Map<Integer, Integer> questionPartOrdeMap, Map<Integer, Integer> partAnswerScoreMap, Map<Integer, Integer> partQuestionScoreMap) {
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for (TQuestion tQuestion : questions) {
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// 题目的段
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int partOrder = questionPartOrdeMap.get(tQuestion.getId().intValue());
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// 初始值集合
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if (Objects.isNull(partQuestionScoreMap.get(partOrder))){
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partQuestionScoreMap.put(partOrder, 0);
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}
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if (Objects.isNull(partAnswerScoreMap.get(partOrder))) {
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partAnswerScoreMap.put(partOrder, 0);
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}
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// 本来应该的多少分
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// 用户能答多少分得分
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if (Objects.nonNull(answerContentMap.get(tQuestion.getId().intValue()))) {
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setAnswerScoreMap(partQuestionScoreMap, tQuestion, partOrder);
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}
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// 分数的判断
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// System.out.println("题目号：" + tQuestion.getId().intValue());
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// System.out.println("题目的正确答案：" + tQuestion.getCorrect());
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// System.out.println("自己选择：" + answerContentMap.get(tQuestion.getId().intValue()));
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if (Objects.equals(tQuestion.getCorrect(), answerContentMap.get(tQuestion.getId().intValue()))) {
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// 用户能答多少分得分
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setAnswerScoreMap(partAnswerScoreMap, tQuestion, partOrder);
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}
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}
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}
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private Map<Integer, Integer> getQuestionPartOrdeMap(List<ExamPaperTitleItemObject> examPaperTitleItemObjects) {
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Map<Integer, Integer> questionPartOrdeMap = new HashMap<>();
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for (ExamPaperTitleItemObject examPaperTitleItemObject : examPaperTitleItemObjects) {
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List<ExamPaperQuestionItemObject> questionItems = examPaperTitleItemObject.getQuestionItems();
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for (ExamPaperQuestionItemObject examPaperQuestionItemObject : questionItems) {
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questionPartOrdeMap.put(examPaperQuestionItemObject.getId(), examPaperQuestionItemObject.getPartOrder());
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}
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}
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return questionPartOrdeMap;
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}
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private Map<Integer, QuestionPart> getParts(List<ExamPaperTitleItemObject> examPaperTitleItemObjects) {
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List<QuestionPart> parts = examPaperTitleItemObjects.get(0).getParts();
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// (partOrder, questionPart)
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Map<Integer, QuestionPart> partMap = new HashMap<>();
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for (QuestionPart questionPart : parts) {
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partMap.put(questionPart.getPartOrder(), questionPart);
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}
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return partMap;
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}
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private Map<Integer, String> getAnswerContentMap(List<ExamPaperSubmitItemVM> answerItems) {
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Map<Integer, String> answerContentMap = new HashMap<>();
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answerItems.stream().forEach(answerItem ->{
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answerContentMap.put(answerItem.getQuestionId(), answerItem.getContent());
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});
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return answerContentMap;
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}
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private void setAnswerScoreMap(Map<Integer, Integer> partQuestionScoreMap, TQuestion tQuestion, int partOrder) {
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int questonScore = Objects.nonNull(tQuestion.getScore()) ? tQuestion.getScore().intValue() : 0;
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if (Objects.nonNull(partQuestionScoreMap.get(partOrder))) {
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int score = partQuestionScoreMap.get(partOrder).intValue() + questonScore;
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partQuestionScoreMap.put(partOrder, score);
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} else {
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partQuestionScoreMap.put(partOrder, questonScore);
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}
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}
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/**
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* 用户提交答案的转化存储对象
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*
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* @param question question
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* @param customerQuestionAnswer customerQuestionAnswer
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* @param examPaper examPaper
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* @param itemOrder itemOrder
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* @param user user
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* @param now now
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* @return ExamPaperQuestionCustomerAnswer
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*/
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private ExamPaperQuestionCustomerAnswer ExamPaperQuestionCustomerAnswerFromVM(TQuestion question, ExamPaperSubmitItemVM customerQuestionAnswer, TExamPaper examPaper, Integer itemOrder, ExamUser user, Date now) {
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ExamPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer = new ExamPaperQuestionCustomerAnswer();
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examPaperQuestionCustomerAnswer.setQuestionId(question.getId().intValue());
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examPaperQuestionCustomerAnswer.setExamPaperId(examPaper.getId().intValue());
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// examPaperQuestionCustomerAnswer.setWhichPart(question.getScore().intValue());
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// examPaperQuestionCustomerAnswer.setSubjectId(examPaper.getSubjectId().intValue());
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examPaperQuestionCustomerAnswer.setItemOrder(itemOrder);
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examPaperQuestionCustomerAnswer.setCreateTime(now);
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examPaperQuestionCustomerAnswer.setCreateUser(user.getId());
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examPaperQuestionCustomerAnswer.setQuestionType(question.getQuestionType().intValue());
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examPaperQuestionCustomerAnswer.setQuestionTextContentId(question.getInfoTextContentId().intValue());
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if (null == customerQuestionAnswer) {
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examPaperQuestionCustomerAnswer.setCustomerScore(0);
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} else {
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setSpecialFromVM(examPaperQuestionCustomerAnswer, question, customerQuestionAnswer);
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}
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return examPaperQuestionCustomerAnswer;
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}
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/**
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* 判断提交答案是否正确，保留用户提交的答案
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*
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* @param examPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer
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* @param question question
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* @param customerQuestionAnswer customerQuestionAnswer
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*/
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private void setSpecialFromVM(ExamPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer, TQuestion question, ExamPaperSubmitItemVM customerQuestionAnswer) {
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QuestionTypeEnum questionTypeEnum = QuestionTypeEnum.fromCode(examPaperQuestionCustomerAnswer.getQuestionType());
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switch (questionTypeEnum) {
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case SingleChoice:
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case TrueFalse:
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examPaperQuestionCustomerAnswer.setAnswer(customerQuestionAnswer.getContent());
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examPaperQuestionCustomerAnswer.setDoRight(question.getCorrect().equals(customerQuestionAnswer.getContent()));
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examPaperQuestionCustomerAnswer.setCustomerScore(0);
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break;
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case MultipleChoice:
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String customerAnswer = ExamUtil.contentToString(customerQuestionAnswer.getContentArray());
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examPaperQuestionCustomerAnswer.setAnswer(customerAnswer);
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examPaperQuestionCustomerAnswer.setDoRight(customerAnswer.equals(question.getCorrect()));
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examPaperQuestionCustomerAnswer.setCustomerScore(0);
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break;
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case GapFilling:
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String correctAnswer = JsonUtil.toJsonStr(customerQuestionAnswer.getContentArray());
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examPaperQuestionCustomerAnswer.setAnswer(correctAnswer);
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examPaperQuestionCustomerAnswer.setCustomerScore(0);
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break;
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default:
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examPaperQuestionCustomerAnswer.setAnswer(customerQuestionAnswer.getContent());
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examPaperQuestionCustomerAnswer.setCustomerScore(0);
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break;
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}
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}
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@Override
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public PageInfo<ExamPaperAnswer> studentPage(ExamPaperAnswerPageVM requestVM) {
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return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
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examPaperAnswerMapper.studentPage(requestVM));
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}
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@Override
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public String judge(ExamPaperSubmitVM examPaperSubmitVM) {
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return null;
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}
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@Override
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public ExamPaperSubmitVM examPaperAnswerToVM(Integer id) {
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return null;
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}
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@Override
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public Integer selectAllCount() {
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return null;
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}
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@Override
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public List<Integer> selectMothCount() {
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return null;
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}
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@Override
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public int deleteById(Integer id) {
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return 0;
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}
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@Override
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public int insert(ExamPaperAnswer record) {
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return examPaperAnswerMapper.insertSelective(record);
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}
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@Override
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public int insertByFilter(ExamPaperAnswer record) {
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return examPaperAnswerMapper.insertSelective(record);
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}
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@Override
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public ExamPaperAnswer selectById(Integer id) {
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return null;
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}
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@Override
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public int updateByIdFilter(ExamPaperAnswer record) {
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return 0;
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}
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@Override
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public int updateById(ExamPaperAnswer record) {
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return 0;
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}
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}
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