修改

qirong

2023-06-20 e40857210a448e805913ed66f3b378d2a501c58f

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

@@ -3,6 +3,7 @@
import com.mindskip.xzs.domain.*;
import com.mindskip.xzs.domain.TextContent;
import com.mindskip.xzs.domain.enums.ExamPaperTypeEnum;
import com.mindskip.xzs.domain.enums.QuestionTypeEnum;
import com.mindskip.xzs.domain.exam.ExamPaperQuestionItemObject;
import com.mindskip.xzs.domain.exam.ExamPaperTitleItemObject;
import com.mindskip.xzs.domain.other.KeyValue;
@@ -31,9 +32,7 @@
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;

@@ -48,9 +47,10 @@
    private final SubjectService subjectService;
    private final ExamPaperDepartmentService examPaperDepartmentService;
    private final ExamPaperSubjectService examPaperSubjectService;
    private final QuestionSubjectService questionSubjectService;

    @Autowired
    public ExamPaperServiceImpl(ExamPaperMapper examPaperMapper, QuestionMapper questionMapper, TextContentService textContentService, QuestionService questionService, SubjectService subjectService, ExamPaperDepartmentService examPaperDepartmentService, ExamPaperSubjectService examPaperSubjectService) {
    public ExamPaperServiceImpl(ExamPaperMapper examPaperMapper, QuestionMapper questionMapper, TextContentService textContentService, QuestionService questionService, SubjectService subjectService, ExamPaperDepartmentService examPaperDepartmentService, ExamPaperSubjectService examPaperSubjectService, QuestionSubjectService questionSubjectService) {
        super(examPaperMapper);
        this.examPaperMapper = examPaperMapper;
        this.questionMapper = questionMapper;
@@ -59,6 +59,7 @@
        this.subjectService = subjectService;
        this.examPaperDepartmentService = examPaperDepartmentService;
        this.examPaperSubjectService = examPaperSubjectService;
        this.questionSubjectService = questionSubjectService;
    }


@@ -86,8 +87,21 @@
    public ExamPaper savePaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, User user) {
        ActionEnum actionEnum = (examPaperEditRequestVM.getId() == null) ? ActionEnum.ADD : ActionEnum.UPDATE;
        Date now = new Date();
        List<ExamPaperTitleItemVM> titleItemsVM = examPaperEditRequestVM.getTitleItems();
        List<ExamPaperTitleItemObject> frameTextContentList = frameTextContentFromVM(titleItemsVM);

        List<ExamPaperTitleItemObject> frameTextContentList = new ArrayList<>();
        List<ExamPaperTitleItemVM> titleItemsVM = new ArrayList<>();
        //随机试卷
        if (examPaperEditRequestVM.getSubjectSource() != null) {
//            Map<Integer, Integer> questionList = questionService.getAll().stream().collect(Collectors.toMap(Question::getId, Question::getScore));
            randomQuestion(examPaperEditRequestVM, frameTextContentList, titleItemsVM);
        }
        if (titleItemsVM.size() < 0) {
            titleItemsVM = examPaperEditRequestVM.getTitleItems();
        }
        if (frameTextContentList.size() < 0) {
            frameTextContentList = frameTextContentFromVM(titleItemsVM);
        }

        String frameTextContentStr = JsonUtil.toJsonStr(frameTextContentList);

        ExamPaper examPaper;
@@ -114,8 +128,8 @@
            examPaperDepartmentService.removeByExamPaperId(examPaper.getId());
            examPaperSubjectService.removeByExamPaperId(examPaper.getId());
        }
        addExamPaperDepartment(examPaperEditRequestVM,examPaper);
        addExamPaperSubject(examPaperEditRequestVM,examPaper);
        addExamPaperDepartment(examPaperEditRequestVM, examPaper);
        addExamPaperSubject(examPaperEditRequestVM, examPaper);
        return examPaper;
    }

@@ -219,8 +233,8 @@
        }).collect(Collectors.toList());
    }

    private void addExamPaperDepartment(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper){
        List<ExamPaperDepartment> list = Arrays.asList(examPaperEditRequestVM.getDepartmentIds()).stream().map(e->{
    private void addExamPaperDepartment(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper) {
        List<ExamPaperDepartment> list = Arrays.asList(examPaperEditRequestVM.getDepartmentIds()).stream().map(e -> {
            ExamPaperDepartment examPaperDepartment = new ExamPaperDepartment();
            examPaperDepartment.setExamPaperId(examPaper.getId());
            examPaperDepartment.setDepartmentId(e);
@@ -230,8 +244,8 @@
        examPaperDepartmentService.saves(list);
    }

    private void addExamPaperSubject(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper){
        List<ExamPaperSubject> subjectList = Arrays.asList(examPaperEditRequestVM.getSubjectId()).stream().map(e->{
    private void addExamPaperSubject(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper) {
        List<ExamPaperSubject> subjectList = Arrays.asList(examPaperEditRequestVM.getSubjectId()).stream().map(e -> {
            ExamPaperSubject examPaperSubject = new ExamPaperSubject();
            examPaperSubject.setSubjectId(e);
            examPaperSubject.setExamPaperId(examPaper.getId());
@@ -240,4 +254,128 @@
        }).collect(Collectors.toList());
        examPaperSubjectService.saves(subjectList);
    }

    /**
     * 
     * @param result
     * @param scoresMap
     * @param quantity
     * @param totalScore
     */
    public static void selectRandomScores(Map<Integer, Integer> result, Map<Integer, Integer> scoresMap, int quantity, int totalScore) {
//        Map<String, Integer> selectedScoresMap = new HashMap<>();

        if (quantity <= 0 || totalScore <= 0 || scoresMap.isEmpty()) {
            return; // 返回空Map
        }

        List<Integer> keys = new ArrayList<>(scoresMap.keySet());
        List<Integer> values = scoresMap.values().stream().map(e->e=e/10).collect(Collectors.toList());

        Random random = new Random();
        int remainingQuantity = quantity;
        int remainingScore = totalScore;

        for (int i = 0; i < quantity - 1; i++) {
            int index = random.nextInt(values.size());
            int score = values.get(index);

            if (score <= remainingScore) {
                result.put(keys.get(index), score);
                remainingQuantity--;
                remainingScore -= score;
                values.remove(index);
                keys.remove(index);
            }
        }

        if (!values.isEmpty()) {
            int index = random.nextInt(values.size());
            int score = values.get(index);
            result.put(keys.get(index), remainingScore); // 最后一个分数为剩余的分数
        }

    }

    /**
     * 随机试卷
     *
     * @param examPaperEditRequestVM 传参
     * @param frameTextContentList
     * @param titleItemsVM           title
     */
    private void randomQuestion(ExamPaperEditRequestVM examPaperEditRequestVM, List<ExamPaperTitleItemObject> frameTextContentList, List<ExamPaperTitleItemVM> titleItemsVM) {
        Map<Integer, Integer> subjectSource = examPaperEditRequestVM.getSubjectSource();
        //总数量
        Integer sum = subjectSource.values().stream().mapToInt(Integer::intValue).sum();
        Integer avg = 0;

        ExamPaperTitleItemObject examPaperTitleItemObject = new ExamPaperTitleItemObject();
        examPaperTitleItemObject.setName("测试001");

        ExamPaperTitleItemVM examPaperTitleItemVM = new ExamPaperTitleItemVM();
        //titleItemsVM
        examPaperTitleItemVM.setName("测试001");

        List<ExamPaperQuestionItemObject> examPaperQuestionItemObjectList = new ArrayList<>();

        List<QuestionEditRequestVM> questionItems = new ArrayList<>();
        for (Integer key : subjectSource.keySet()) {    // key：数量
            //该标签对应的分数   多选：3 判断：3 单选：4
            Integer source = 20 * subjectSource.get(key) / sum;
            // 多选和判断数量
            Integer multipleNumber = subjectSource.get(key) * 3 / 10;
            //多选和判断分数
            Integer multipleSource = source * 3 / 10;
            List<Integer> questions = questionSubjectService.getSubject(key)
                    .stream().map(QuestionSubject::getQuestionId).collect(Collectors.toList());
            List<Question> list = questionService.selectByIds(questions);

            Map<Integer, Integer> multiple = new HashMap<>();
            //多选
            Map<Integer, Integer> multipleMap = list.stream()
                    .filter(e -> e.getQuestionType().equals(QuestionTypeEnum.MultipleChoice.getCode()))
                    .collect(Collectors.toMap(Question::getId, Question::getScore));
            selectRandomScores(multiple, multipleMap, multipleNumber, multipleSource);


            //判断
            Map<Integer, Integer> judgmentMap = list.stream()
                    .filter(e -> e.getQuestionType().equals(QuestionTypeEnum.TrueFalse.getCode()))
                    .collect(Collectors.toMap(Question::getId, Question::getScore));
            selectRandomScores(multiple, judgmentMap, multipleNumber, multipleSource);

            //单选数量
            Integer radioNumber = subjectSource.get(key) - multiple.size();
            //单选分数
            Integer radioSource = source - multiple.values().stream().mapToInt(Integer::intValue).sum();;
            //单选
            Map<Integer, Integer> radioMap = list.stream()
                    .filter(e -> e.getQuestionType().equals(QuestionTypeEnum.SingleChoice.getCode()))
                    .collect(Collectors.toMap(Question::getId, Question::getScore));
            selectRandomScores(multiple, radioMap, radioNumber, radioSource);
            Integer order = 0;
            titleItemsVM.add(examPaperTitleItemVM);
            for (Integer k : multiple.keySet()) {
                ExamPaperQuestionItemObject examPaperQuestionItemObject = new ExamPaperQuestionItemObject();
                examPaperQuestionItemObject.setId(k);
                examPaperQuestionItemObject.setItemOrder(order++);
                examPaperQuestionItemObjectList.add(examPaperQuestionItemObject);
                //titleItemsVM
                QuestionEditRequestVM questionEditRequestVM = new QuestionEditRequestVM();
                questionEditRequestVM.setScore(multiple.get(k).toString());
                questionItems.add(questionEditRequestVM);
            }

            examPaperTitleItemObject.setQuestionItems(examPaperQuestionItemObjectList);

            //titleItemsVM
            examPaperTitleItemVM.setQuestionItems(questionItems);

        }
        frameTextContentList.add(examPaperTitleItemObject);
        titleItemsVM.add(examPaperTitleItemVM);

    }

}