268 lines
8.8 KiB
Dart
268 lines
8.8 KiB
Dart
/// ============================================================
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/// 【QuestionModel】题目数据模型（纯 Dart 可变类）
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///
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/// 设计说明（对应用户口型：纯 Dart 可变类、全量保留原字段名、
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/// 手写 fromJson/toJson、不用 Isar/codegen）：
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/// - 内部以 `Map<String, dynamic>` 承载全部字段（后端字段 + 解析器
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/// 动态产出 + 运行时字段），字段名与 Vue 端完全一致；
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/// - 解析器（core/utils/question/）直接操作 Map，本类提供类型化
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/// get/set 给页面与控制器使用；
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/// - childs/subQuestions 每次访问都基于同一批 Map 生成包装对象，
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/// 因此通过子模型的写操作会落到原始 Map 上（等价 JS 引用语义）。
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/// ============================================================
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library;
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class QuestionModel {
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QuestionModel(this.m);
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factory QuestionModel.fromJson(Map<String, dynamic> json) =>
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QuestionModel(Map<String, dynamic>.from(json));
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/// 原始数据（解析后的 Map，toJson 即提交回这个结构）
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final Map<String, dynamic> m;
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Map<String, dynamic> toJson() => m;
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@override
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String toString() => 'QuestionModel(id: $id, questionTypes: $questionTypes)';
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// ---------------- 基础读写 ----------------
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bool has(String key) => m.containsKey(key) && m[key] != null;
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T? get<T>(String key) => m[key] is T ? m[key] as T : null;
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void set(String key, dynamic value) => m[key] = value;
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String str(String key, [String def = '']) {
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final v = m[key];
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return v == null ? def : '$v';
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}
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int? intOf(String key) {
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final v = m[key];
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if (v is num) return v.toInt();
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if (v == null) return null;
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return int.tryParse('$v');
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}
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bool boolOf(String key, [bool def = false]) =>
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m[key] == true ? true : (m[key] == false ? false : def);
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/// 注意：返回的是原 Map 的 cast 视图（非拷贝），
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/// 这样子模型上的所有写操作都会落回原始 JSON Map（等价 JS 引用语义）。
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List<Map<String, dynamic>> mapList(String key) {
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final v = m[key];
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if (v is! List) return const [];
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return [
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for (final e in v)
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if (e is Map) e.cast<String, dynamic>(),
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];
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}
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// ---------------- 业务字段（原名） ----------------
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String get id => str('id');
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set id(dynamic v) => m['id'] = v;
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String get questionId => str('questionId');
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set questionId(dynamic v) => m['questionId'] = v;
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dynamic get questionTypeId => m['questionTypeId'];
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set questionTypeId(dynamic v) => m['questionTypeId'] = v;
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String get questionTypeName => str('questionTypeName');
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set questionTypeName(String v) => m['questionTypeName'] = v;
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dynamic get questionTypeCode => m['questionTypeCode'];
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bool get isObjective => boolOf('isObjective');
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bool get isSelect => boolOf('isSelect');
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String get stem => str('stem');
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set stem(String v) => m['stem'] = v;
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String get answer => str('answer');
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set answer(String v) => m['answer'] = v;
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String get correctAnswer => str('correctAnswer');
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set correctAnswer(String v) => m['correctAnswer'] = v;
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String get userAnswer => str('userAnswer');
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set userAnswer(dynamic v) => m['userAnswer'] = v;
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/// 部分接口字段（与 userAnswer 互为兜底）
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String get myAnswer => str('myAnswer');
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set myAnswer(dynamic v) => m['myAnswer'] = v;
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/// Vue 端 child.userAnswer || child.myAnswer
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String get effectiveAnswer {
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final u = m['userAnswer'];
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return u != null && '$u'.isNotEmpty ? '$u' : myAnswer;
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}
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int? get answerStatus => intOf('answerStatus');
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set answerStatus(dynamic v) => m['answerStatus'] = v;
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/// 解析（字符串或 {analysis: '...'}）
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dynamic get answerAnalysisRaw => m['answerAnalysis'];
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set answerAnalysisRaw(dynamic v) => m['answerAnalysis'] = v;
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String get answerAnalysisText {
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final v = m['answerAnalysis'];
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if (v is Map) return '${v['analysis'] ?? ''}';
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return v == null ? '' : '$v';
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}
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Map<String, dynamic>? get answerAnalysisVideo {
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final v = m['answerAnalysisVideo'];
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return v is Map ? Map<String, dynamic>.from(v) : null;
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}
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List<Map<String, dynamic>> get audios => mapList('audios');
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List<Map<String, dynamic>> get videos => mapList('videos');
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int get planTimeSecond => intOf('planTimeSecond') ?? 0;
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set planTimeSecond(dynamic v) => m['planTimeSecond'] = v;
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/// 运行时：本地剩余秒缓存
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int? get newPlanTimeSecond => intOf('NewPlanTimeSecond');
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set newPlanTimeSecond(int? v) => m['NewPlanTimeSecond'] = v;
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/// 运行时：本题建议时长是否已完成
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bool get isFinishPlanTime => boolOf('ISFinishPlanTime');
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set isFinishPlanTime(bool v) => m['ISFinishPlanTime'] = v;
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int get answerTimeSecond => intOf('answerTimeSecond') ?? 0;
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dynamic get score => m['score'];
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dynamic get userScore => m['userScore'];
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bool get isCollect => boolOf('isCollect');
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set isCollect(bool v) => m['isCollect'] = v;
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dynamic get collectId => m['collectId'];
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set collectId(dynamic v) => m['collectId'] = v;
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bool get isWrongCollect => boolOf('isWrongCollect');
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set isWrongCollect(bool v) => m['isWrongCollect'] = v;
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dynamic get wrongCollectId => m['wrongCollectId'];
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set wrongCollectId(dynamic v) => m['wrongCollectId'] = v;
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bool get hasChild => boolOf('hasChild');
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List<QuestionModel> get childs =>
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mapList('childs').map(QuestionModel.new).toList();
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List<dynamic> get indexes =>
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m['indexes'] is List ? m['indexes'] as List : const [];
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/// 笔记图片（{id,url,thumbnailUrl} 等）
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List<Map<String, dynamic>> get notes => mapList('notes');
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set notes(List<dynamic> v) => m['notes'] = v;
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String get source => str('source');
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String? get wrongReason =>
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m['wrongReason'] == null ? null : '${m['wrongReason']}';
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String? get wrongAdvice =>
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m['wrongAdvice'] == null ? null : '${m['wrongAdvice']}';
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bool get isUploadNotes => boolOf('isUploadNotes');
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/// 加载时注入：0 输入框 / 1 图片作答
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int get isFillblankItemUpload => intOf('iSFilllankItemUpload') ?? 0;
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set isFillblankItemUpload(dynamic v) => m['iSFilllankItemUpload'] = v;
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dynamic get baseSubjectId => m['baseSubjectId'];
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set baseSubjectId(dynamic v) => m['baseSubjectId'] = v;
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int? get sort => intOf('sort');
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set sort(dynamic v) => m['sort'] = v;
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int? get wrongSort => intOf('wrongSort');
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set wrongSort(dynamic v) => m['wrongSort'] = v;
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/// appendExamQuestionChildOptionStatus 注入
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bool get hasOptionChildrenQuestion => boolOf('hasOptionChildrenQuestion');
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set hasOptionChildrenQuestion(bool v) =>
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m['hasOptionChildrenQuestion'] = v;
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List<QuestionModel> get subQuestions =>
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mapList('subQuestions').map(QuestionModel.new).toList();
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List<QuestionModel> get bkTagMetaList =>
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mapList('bkTagMetaList').map(QuestionModel.new).toList();
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/// 选项 [{optionLabel, options}]
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List<Map<String, String>> get options {
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final v = m['options'];
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if (v is! List) return const [];
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return v.whereType<Map>().map((e) {
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return {
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'optionLabel': '${e['optionLabel'] ?? ''}',
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'options': '${e['options'] ?? ''}',
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};
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}).toList();
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}
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String get questionTypes => str('questionTypes');
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set questionTypes(String v) => m['questionTypes'] = v;
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String get analysis => str('analysis');
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set analysis(String v) => m['analysis'] = v;
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/// 解析时保留的原始对象
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Map<String, dynamic>? get raw {
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final v = m['raw'];
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return v is Map ? Map<String, dynamic>.from(v) : null;
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}
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/// 运行时：进入本题时间（本地 ISO）
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String? get startTime => m['startTime'] as String?;
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set startTime(String? v) => m['startTime'] = v;
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/// 运行时：离开本题时间（本地 ISO）
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String? get endTime => m['endTime'] as String?;
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set endTime(String? v) => m['endTime'] = v;
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/// 子题号（如 "1.1"，subQuestions 元素自带）
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dynamic get index => m['index'];
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/// 运行时：列表下标
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int? get currentIndex => intOf('currentIndex');
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set currentIndex(int v) => m['currentIndex'] = v;
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// ---------------- 便捷方法 ----------------
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QuestionModel? childAt(int index) {
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final list = mapList('childs');
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if (index < 0 || index >= list.length) return null;
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return QuestionModel(list[index]);
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}
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QuestionModel? subAt(int index) {
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final list = mapList('subQuestions');
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if (index < 0 || index >= list.length) return null;
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return QuestionModel(list[index]);
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}
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/// 重置本题及其子题的 startTime（对应 Vue resetCurrentQuestionStartTime）
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void resetStartTime(String isoNow) {
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m['startTime'] = isoNow;
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for (final key in ['subQuestions', 'childs']) {
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final v = m[key];
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if (v is List) {
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for (final c in v) {
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if (c is Map) c['startTime'] = isoNow;
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}
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}
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}
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}
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}
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/// 选项取值辅助
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String optionLabelOf(Map<String, String> option) => option['optionLabel'] ?? '';
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String optionContentOf(Map<String, String> option) => option['options'] ?? '';
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