From 77be36cc9077b09186e69440f3204f9e623c335a Mon Sep 17 00:00:00 2001
From: qirong <2032486488@qq.com>
Date: 星期一, 26 六月 2023 15:52:24 +0800
Subject: [PATCH] 试卷题目顺序打乱
---
src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java | 224 +++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 206 insertions(+), 18 deletions(-)
diff --git a/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java b/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
index 5bdb50a..298d087 100644
--- a/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
+++ b/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
@@ -1,8 +1,10 @@
package com.mindskip.xzs.service.impl;
+import com.mindskip.xzs.configuration.spring.exception.QuestionException;
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 +33,7 @@
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 +48,10 @@
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 +60,7 @@
this.subjectService = subjectService;
this.examPaperDepartmentService = examPaperDepartmentService;
this.examPaperSubjectService = examPaperSubjectService;
+ this.questionSubjectService = questionSubjectService;
}
@@ -83,11 +85,24 @@
@Override
@Transactional
- public ExamPaper savePaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, User user) {
+ public ExamPaper savePaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, User user) throws QuestionException {
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<>();
+ //闅忔満璇曞嵎
+ if (examPaperEditRequestVM.getSubjectSource().size() != 0) {
+// 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 +129,8 @@
examPaperDepartmentService.removeByExamPaperId(examPaper.getId());
examPaperSubjectService.removeByExamPaperId(examPaper.getId());
}
- addExamPaperDepartment(examPaperEditRequestVM,examPaper);
- addExamPaperSubject(examPaperEditRequestVM,examPaper);
+ addExamPaperDepartment(examPaperEditRequestVM, examPaper);
+ addExamPaperSubject(examPaperEditRequestVM, examPaper);
return examPaper;
}
@@ -131,14 +146,18 @@
.map(q -> q.getId()))
.collect(Collectors.toList());
List<Question> questions = questionMapper.selectByIds(questionIds);
+ Integer order = 0;
+ Set<Integer> generatedNumbers = new HashSet<>();
+ Random random = new Random();
List<ExamPaperTitleItemVM> examPaperTitleItemVMS = examPaperTitleItemObjects.stream().map(t -> {
ExamPaperTitleItemVM tTitleVM = modelMapper.map(t, ExamPaperTitleItemVM.class);
List<QuestionEditRequestVM> questionItemsVM = t.getQuestionItems().stream().map(i -> {
- Question question = questions.stream().filter(q -> q.getId().equals(i.getId())).findFirst().get();
- QuestionEditRequestVM questionEditRequestVM = questionService.getQuestionEditRequestVM(question);
- questionEditRequestVM.setItemOrder(i.getItemOrder());
- return questionEditRequestVM;
- }).collect(Collectors.toList());
+ Question question = questions.stream().filter(q -> q.getId().equals(i.getId())).findFirst().get();
+ QuestionEditRequestVM questionEditRequestVM = questionService.getQuestionEditRequestVM(question);
+ questionEditRequestVM.setItemOrder(getRandomNumber(t.getQuestionItems().size() - 1, generatedNumbers, random));
+ return questionEditRequestVM;
+ }).sorted(Comparator.comparing(QuestionEditRequestVM::getItemOrder))
+ .collect(Collectors.toList());
tTitleVM.setQuestionItems(questionItemsVM);
return tTitleVM;
}).collect(Collectors.toList());
@@ -180,6 +199,16 @@
}).collect(Collectors.toList());
}
+ @Override
+ public Integer removeByIds(Integer[] ids) {
+ return examPaperMapper.removeByIds(ids);
+ }
+
+ @Override
+ public List<ExamPaper> gets(Integer[] ids) {
+ return examPaperMapper.gets(ids);
+ }
+
private void examPaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper, List<ExamPaperTitleItemVM> titleItemsVM) {
// Integer gradeLevel = subjectService.levelBySubjectId(examPaperEditRequestVM.getSubjectId());
Integer questionCount = titleItemsVM.stream()
@@ -214,8 +243,11 @@
}).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) {
+ if(examPaperEditRequestVM.getDepartmentIds().length==0){
+ return;
+ }
+ List<ExamPaperDepartment> list = Arrays.asList(examPaperEditRequestVM.getDepartmentIds()).stream().map(e -> {
ExamPaperDepartment examPaperDepartment = new ExamPaperDepartment();
examPaperDepartment.setExamPaperId(examPaper.getId());
examPaperDepartment.setDepartmentId(e);
@@ -225,8 +257,8 @@
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());
@@ -235,4 +267,160 @@
}).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) throws QuestionException {
+// Map<String, Integer> selectedScoresMap = new HashMap<>();
+
+ if (quantity <= 0 || totalScore <= 0 || scoresMap.isEmpty()) {
+ return; // 杩斿洖绌篗ap
+ }
+
+ 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++) {
+ if (i >= scoresMap.size()) {
+ throw new QuestionException();
+ }
+ 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), score); // 鏈�鍚庝竴涓垎鏁颁负鍓╀綑鐨勫垎鏁�
+ }
+
+ }
+
+ /**
+ * 闅忔満璇曞嵎
+ *
+ * @param examPaperEditRequestVM 浼犲弬
+ * @param frameTextContentList
+ * @param titleItemsVM title
+ */
+ private void randomQuestion(ExamPaperEditRequestVM examPaperEditRequestVM, List<ExamPaperTitleItemObject> frameTextContentList, List<ExamPaperTitleItemVM> titleItemsVM) throws QuestionException {
+ Map<Integer, Integer> subjectSource = examPaperEditRequestVM.getSubjectSource();
+ //鎬绘暟閲�
+ Integer sum = subjectSource.values().stream().mapToInt(Integer::intValue).sum();
+ Integer count = 0;
+ Integer mark = 0;
+
+ ExamPaperTitleItemObject examPaperTitleItemObject = new ExamPaperTitleItemObject();
+ examPaperTitleItemObject.setName(examPaperEditRequestVM.getTitleItems().get(0).getName());
+
+ ExamPaperTitleItemVM examPaperTitleItemVM = new ExamPaperTitleItemVM();
+ //titleItemsVM
+ examPaperTitleItemVM.setName(examPaperEditRequestVM.getTitleItems().get(0).getName());
+
+ List<ExamPaperQuestionItemObject> examPaperQuestionItemObjectList = new ArrayList<>();
+
+ List<QuestionEditRequestVM> questionItems = new ArrayList<>();
+ Integer order = 0;
+ for (Integer key : subjectSource.keySet()) { // key锛氭暟閲�
+ //璇ユ爣绛惧搴旂殑鍒嗘暟 澶氶�夛細3 鍒ゆ柇锛�3 鍗曢�夛細4
+ Integer source = 80 * subjectSource.get(key) / sum - mark;
+ // 澶氶�夊拰鍒ゆ柇鏁伴噺
+ Integer multipleNumber = (subjectSource.get(key) + count) * 3 / 10;
+ //澶氶�夊拰鍒ゆ柇鍒嗘暟
+ 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<>();
+ //澶氶��
+ 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 < multipleMap.size() ? multipleNumber : multipleMap.size(), multipleSource);
+
+
+ //鍒ゆ柇
+ 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 < judgmentMap.size() ? multipleNumber : judgmentMap.size(), multipleSource);
+
+ //鍗曢�夋暟閲�
+ Integer radioNumber = subjectSource.get(key) - multiple.size();
+ //鍗曢�夊垎鏁�
+ Integer radioSource = source - multiple.values().stream().mapToInt(Integer::intValue).sum();
+ //鍗曢��
+ 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 < radioMap.size() ? radioNumber : radioMap.size(), radioSource);
+
+// 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);
+ //鏁伴噺 鍖归厤
+ count = multiple.size() != subjectSource.get(key) ? subjectSource.get(key) - multiple.size() : 0;
+ //鍒嗘暟鍖归厤
+ mark = source != multiple.values().stream().mapToInt(Integer::intValue).sum() ? multiple.values().stream().mapToInt(Integer::intValue).sum() - source : 0;
+
+ }
+ frameTextContentList.add(examPaperTitleItemObject);
+ titleItemsVM.add(examPaperTitleItemVM);
+
+ if (count != 0 || mark != 0) {
+ throw new QuestionException();
+ }
+
+ }
+
+ public Integer getRandomNumber(Integer a, Set<Integer> generatedNumbers, Random random) {
+ if (a <= 0) {
+ throw new IllegalArgumentException("a蹇呴』涓烘鏁存暟");
+ }
+
+ int range = a + 1;
+
+ if (generatedNumbers.size() >= range) {
+ generatedNumbers.clear(); // 娓呯┖宸茬敓鎴愮殑鏁板瓧闆嗗悎
+ }
+
+ int randomNumber;
+ do {
+ randomNumber = random.nextInt(range);
+ } while (generatedNumbers.contains(randomNumber));
+
+ generatedNumbers.add(randomNumber);
+ return randomNumber;
+ }
}
--
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