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This commit is contained in:
sjk
559
client/lib/features/comprehensive_test/models/test_models.dart
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559
client/lib/features/comprehensive_test/models/test_models.dart
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/// 测试类型枚举
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enum TestType {
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quick, // 快速测试
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standard, // 标准测试
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full, // 完整测试
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mock, // 模拟考试
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vocabulary, // 词汇专项
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grammar, // 语法专项
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reading, // 阅读专项
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listening, // 听力专项
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speaking, // 口语专项
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writing, // 写作专项
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}
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/// 测试状态枚举
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enum TestStatus {
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notStarted, // 未开始
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inProgress, // 进行中
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paused, // 暂停
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completed, // 已完成
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expired, // 已过期
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}
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/// 题目类型枚举
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enum QuestionType {
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multipleChoice, // 单选题
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multipleSelect, // 多选题
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fillInBlank, // 填空题
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reading, // 阅读理解
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listening, // 听力理解
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speaking, // 口语题
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writing, // 写作题
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}
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/// 难度等级枚举
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enum DifficultyLevel {
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beginner, // 初级
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elementary, // 基础
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intermediate, // 中级
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upperIntermediate, // 中高级
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advanced, // 高级
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expert, // 专家级
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}
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/// 技能类型枚举
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enum SkillType {
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vocabulary, // 词汇
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grammar, // 语法
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reading, // 阅读
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listening, // 听力
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speaking, // 口语
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writing, // 写作
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}
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/// 测试题目模型
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class TestQuestion {
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final String id;
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final QuestionType type;
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final SkillType skillType;
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final DifficultyLevel difficulty;
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final String content;
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final List<String> options;
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final List<String> correctAnswers;
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final String? audioUrl;
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final String? imageUrl;
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final String? explanation;
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final int points;
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final int timeLimit; // 秒
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final Map<String, dynamic>? metadata;
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const TestQuestion({
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required this.id,
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required this.type,
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required this.skillType,
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required this.difficulty,
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required this.content,
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this.options = const [],
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this.correctAnswers = const [],
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this.audioUrl,
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this.imageUrl,
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this.explanation,
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this.points = 1,
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this.timeLimit = 60,
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this.metadata,
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});
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factory TestQuestion.fromJson(Map<String, dynamic> json) {
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return TestQuestion(
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id: json['id'] as String,
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type: QuestionType.values.firstWhere(
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(e) => e.name == json['type'],
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orElse: () => QuestionType.multipleChoice,
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),
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skillType: SkillType.values.firstWhere(
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(e) => e.name == json['skillType'],
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orElse: () => SkillType.vocabulary,
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),
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difficulty: DifficultyLevel.values.firstWhere(
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(e) => e.name == json['difficulty'],
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orElse: () => DifficultyLevel.intermediate,
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),
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content: json['content'] as String,
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options: List<String>.from(json['options'] ?? []),
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correctAnswers: List<String>.from(json['correctAnswers'] ?? []),
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audioUrl: json['audioUrl'] as String?,
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imageUrl: json['imageUrl'] as String?,
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explanation: json['explanation'] as String?,
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points: json['points'] as int? ?? 1,
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timeLimit: json['timeLimit'] as int? ?? 60,
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metadata: json['metadata'] as Map<String, dynamic>?,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'type': type.name,
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'skillType': skillType.name,
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'difficulty': difficulty.name,
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'content': content,
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'options': options,
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'correctAnswers': correctAnswers,
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'audioUrl': audioUrl,
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'imageUrl': imageUrl,
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'explanation': explanation,
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'points': points,
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'timeLimit': timeLimit,
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'metadata': metadata,
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};
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}
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}
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/// 语言技能枚举 (用于UI显示)
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enum LanguageSkill {
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listening, // 听力
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reading, // 阅读
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speaking, // 口语
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writing, // 写作
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vocabulary, // 词汇
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grammar, // 语法
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pronunciation, // 发音
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comprehension, // 理解
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}
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/// 用户技能统计模型
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class UserSkillStatistics {
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final SkillType skillType;
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final double averageScore;
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final int totalTests;
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final int correctAnswers;
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final int totalQuestions;
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final DifficultyLevel strongestLevel;
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final DifficultyLevel weakestLevel;
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final DateTime lastTestDate;
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const UserSkillStatistics({
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required this.skillType,
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required this.averageScore,
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required this.totalTests,
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required this.correctAnswers,
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required this.totalQuestions,
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required this.strongestLevel,
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required this.weakestLevel,
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required this.lastTestDate,
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});
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factory UserSkillStatistics.fromJson(Map<String, dynamic> json) {
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return UserSkillStatistics(
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skillType: SkillType.values.firstWhere(
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(e) => e.toString().split('.').last == json['skillType'],
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),
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averageScore: (json['averageScore'] as num).toDouble(),
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totalTests: json['totalTests'] as int,
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correctAnswers: json['correctAnswers'] as int,
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totalQuestions: json['totalQuestions'] as int,
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strongestLevel: DifficultyLevel.values.firstWhere(
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(e) => e.toString().split('.').last == json['strongestLevel'],
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),
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weakestLevel: DifficultyLevel.values.firstWhere(
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(e) => e.toString().split('.').last == json['weakestLevel'],
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),
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lastTestDate: DateTime.parse(json['lastTestDate']),
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'skillType': skillType.toString().split('.').last,
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'averageScore': averageScore,
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'totalTests': totalTests,
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'correctAnswers': correctAnswers,
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'totalQuestions': totalQuestions,
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'strongestLevel': strongestLevel.toString().split('.').last,
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'weakestLevel': weakestLevel.toString().split('.').last,
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'lastTestDate': lastTestDate.toIso8601String(),
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};
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}
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double get accuracy => totalQuestions > 0 ? correctAnswers / totalQuestions : 0.0;
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}
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/// 用户答案模型
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class UserAnswer {
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final String questionId;
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final List<String> selectedAnswers;
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final String? textAnswer;
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final String? audioUrl;
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final DateTime answeredAt;
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final int timeSpent; // 秒
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const UserAnswer({
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required this.questionId,
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this.selectedAnswers = const [],
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this.textAnswer,
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this.audioUrl,
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required this.answeredAt,
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required this.timeSpent,
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});
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factory UserAnswer.fromJson(Map<String, dynamic> json) {
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return UserAnswer(
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questionId: json['questionId'] as String,
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selectedAnswers: List<String>.from(json['selectedAnswers'] ?? []),
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textAnswer: json['textAnswer'] as String?,
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audioUrl: json['audioUrl'] as String?,
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answeredAt: DateTime.parse(json['answeredAt'] as String),
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timeSpent: json['timeSpent'] as int,
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||||
);
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}
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Map<String, dynamic> toJson() {
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return {
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'questionId': questionId,
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'selectedAnswers': selectedAnswers,
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'textAnswer': textAnswer,
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'audioUrl': audioUrl,
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'answeredAt': answeredAt.toIso8601String(),
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'timeSpent': timeSpent,
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};
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}
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}
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/// 技能得分模型
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class SkillScore {
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final SkillType skillType;
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final int score;
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final int maxScore;
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final double percentage;
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final DifficultyLevel level;
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final String feedback;
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const SkillScore({
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required this.skillType,
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required this.score,
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required this.maxScore,
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required this.percentage,
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required this.level,
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required this.feedback,
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||||
});
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||||
|
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factory SkillScore.fromJson(Map<String, dynamic> json) {
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return SkillScore(
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skillType: SkillType.values.firstWhere(
|
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(e) => e.name == json['skillType'],
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orElse: () => SkillType.vocabulary,
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),
|
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score: json['score'] as int,
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maxScore: json['maxScore'] as int,
|
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percentage: (json['percentage'] as num).toDouble(),
|
||||
level: DifficultyLevel.values.firstWhere(
|
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(e) => e.name == json['level'],
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||||
orElse: () => DifficultyLevel.intermediate,
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),
|
||||
feedback: json['feedback'] as String,
|
||||
);
|
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}
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||||
|
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Map<String, dynamic> toJson() {
|
||||
return {
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||||
'skillType': skillType.name,
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'score': score,
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||||
'maxScore': maxScore,
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'percentage': percentage,
|
||||
'level': level.name,
|
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'feedback': feedback,
|
||||
};
|
||||
}
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||||
}
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|
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/// 测试结果模型
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||||
class TestResult {
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||||
final String id;
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||||
final String testId;
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||||
final String userId;
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||||
final TestType testType;
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final int totalScore;
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final int maxScore;
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final double percentage;
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final DifficultyLevel overallLevel;
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final List<SkillScore> skillScores;
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final List<UserAnswer> answers;
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||||
final DateTime startTime;
|
||||
final DateTime endTime;
|
||||
final int duration; // 秒
|
||||
final String feedback;
|
||||
final Map<String, dynamic>? recommendations;
|
||||
|
||||
const TestResult({
|
||||
required this.id,
|
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required this.testId,
|
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required this.userId,
|
||||
required this.testType,
|
||||
required this.totalScore,
|
||||
required this.maxScore,
|
||||
required this.percentage,
|
||||
required this.overallLevel,
|
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required this.skillScores,
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||||
required this.answers,
|
||||
required this.startTime,
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||||
required this.endTime,
|
||||
required this.duration,
|
||||
required this.feedback,
|
||||
this.recommendations,
|
||||
});
|
||||
|
||||
factory TestResult.fromJson(Map<String, dynamic> json) {
|
||||
return TestResult(
|
||||
id: json['id'] as String,
|
||||
testId: json['testId'] as String,
|
||||
userId: json['userId'] as String,
|
||||
testType: TestType.values.firstWhere(
|
||||
(e) => e.name == json['testType'],
|
||||
orElse: () => TestType.standard,
|
||||
),
|
||||
totalScore: json['totalScore'] as int,
|
||||
maxScore: json['maxScore'] as int,
|
||||
percentage: (json['percentage'] as num).toDouble(),
|
||||
overallLevel: DifficultyLevel.values.firstWhere(
|
||||
(e) => e.name == json['overallLevel'],
|
||||
orElse: () => DifficultyLevel.intermediate,
|
||||
),
|
||||
skillScores: (json['skillScores'] as List<dynamic>)
|
||||
.map((e) => SkillScore.fromJson(e as Map<String, dynamic>))
|
||||
.toList(),
|
||||
answers: (json['answers'] as List<dynamic>)
|
||||
.map((e) => UserAnswer.fromJson(e as Map<String, dynamic>))
|
||||
.toList(),
|
||||
startTime: DateTime.parse(json['startTime'] as String),
|
||||
endTime: DateTime.parse(json['endTime'] as String),
|
||||
duration: json['duration'] as int,
|
||||
feedback: json['feedback'] as String,
|
||||
recommendations: json['recommendations'] as Map<String, dynamic>?,
|
||||
);
|
||||
}
|
||||
|
||||
Map<String, dynamic> toJson() {
|
||||
return {
|
||||
'id': id,
|
||||
'testId': testId,
|
||||
'userId': userId,
|
||||
'testType': testType.name,
|
||||
'totalScore': totalScore,
|
||||
'maxScore': maxScore,
|
||||
'percentage': percentage,
|
||||
'overallLevel': overallLevel.name,
|
||||
'skillScores': skillScores.map((e) => e.toJson()).toList(),
|
||||
'answers': answers.map((e) => e.toJson()).toList(),
|
||||
'startTime': startTime.toIso8601String(),
|
||||
'endTime': endTime.toIso8601String(),
|
||||
'duration': duration,
|
||||
'feedback': feedback,
|
||||
'recommendations': recommendations,
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/// 测试模板模型
|
||||
class TestTemplate {
|
||||
final String id;
|
||||
final String name;
|
||||
final String description;
|
||||
final TestType type;
|
||||
final int duration; // 分钟
|
||||
final int totalQuestions;
|
||||
final Map<SkillType, int> skillDistribution;
|
||||
final Map<DifficultyLevel, int> difficultyDistribution;
|
||||
final List<String> questionIds;
|
||||
final bool isActive;
|
||||
final DateTime createdAt;
|
||||
final DateTime updatedAt;
|
||||
|
||||
const TestTemplate({
|
||||
required this.id,
|
||||
required this.name,
|
||||
required this.description,
|
||||
required this.type,
|
||||
required this.duration,
|
||||
required this.totalQuestions,
|
||||
required this.skillDistribution,
|
||||
required this.difficultyDistribution,
|
||||
required this.questionIds,
|
||||
this.isActive = true,
|
||||
required this.createdAt,
|
||||
required this.updatedAt,
|
||||
});
|
||||
|
||||
factory TestTemplate.fromJson(Map<String, dynamic> json) {
|
||||
return TestTemplate(
|
||||
id: json['id'] as String,
|
||||
name: json['name'] as String,
|
||||
description: json['description'] as String,
|
||||
type: TestType.values.firstWhere(
|
||||
(e) => e.name == json['type'],
|
||||
orElse: () => TestType.standard,
|
||||
),
|
||||
duration: json['duration'] as int,
|
||||
totalQuestions: json['totalQuestions'] as int,
|
||||
skillDistribution: Map<SkillType, int>.fromEntries(
|
||||
(json['skillDistribution'] as Map<String, dynamic>).entries.map(
|
||||
(e) => MapEntry(
|
||||
SkillType.values.firstWhere((skill) => skill.name == e.key),
|
||||
e.value as int,
|
||||
),
|
||||
),
|
||||
),
|
||||
difficultyDistribution: Map<DifficultyLevel, int>.fromEntries(
|
||||
(json['difficultyDistribution'] as Map<String, dynamic>).entries.map(
|
||||
(e) => MapEntry(
|
||||
DifficultyLevel.values.firstWhere((level) => level.name == e.key),
|
||||
e.value as int,
|
||||
),
|
||||
),
|
||||
),
|
||||
questionIds: List<String>.from(json['questionIds']),
|
||||
isActive: json['isActive'] as bool? ?? true,
|
||||
createdAt: DateTime.parse(json['createdAt'] as String),
|
||||
updatedAt: DateTime.parse(json['updatedAt'] as String),
|
||||
);
|
||||
}
|
||||
|
||||
Map<String, dynamic> toJson() {
|
||||
return {
|
||||
'id': id,
|
||||
'name': name,
|
||||
'description': description,
|
||||
'type': type.name,
|
||||
'duration': duration,
|
||||
'totalQuestions': totalQuestions,
|
||||
'skillDistribution': skillDistribution.map(
|
||||
(key, value) => MapEntry(key.name, value),
|
||||
),
|
||||
'difficultyDistribution': difficultyDistribution.map(
|
||||
(key, value) => MapEntry(key.name, value),
|
||||
),
|
||||
'questionIds': questionIds,
|
||||
'isActive': isActive,
|
||||
'createdAt': createdAt.toIso8601String(),
|
||||
'updatedAt': updatedAt.toIso8601String(),
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/// 测试会话模型
|
||||
class TestSession {
|
||||
final String id;
|
||||
final String templateId;
|
||||
final String userId;
|
||||
final TestStatus status;
|
||||
final List<TestQuestion> questions;
|
||||
final List<UserAnswer> answers;
|
||||
final int currentQuestionIndex;
|
||||
final DateTime startTime;
|
||||
final DateTime? endTime;
|
||||
final int timeRemaining; // 秒
|
||||
final Map<String, dynamic>? metadata;
|
||||
|
||||
const TestSession({
|
||||
required this.id,
|
||||
required this.templateId,
|
||||
required this.userId,
|
||||
required this.status,
|
||||
required this.questions,
|
||||
this.answers = const [],
|
||||
this.currentQuestionIndex = 0,
|
||||
required this.startTime,
|
||||
this.endTime,
|
||||
required this.timeRemaining,
|
||||
this.metadata,
|
||||
});
|
||||
|
||||
factory TestSession.fromJson(Map<String, dynamic> json) {
|
||||
return TestSession(
|
||||
id: json['id'] as String,
|
||||
templateId: json['templateId'] as String,
|
||||
userId: json['userId'] as String,
|
||||
status: TestStatus.values.firstWhere(
|
||||
(e) => e.name == json['status'],
|
||||
orElse: () => TestStatus.notStarted,
|
||||
),
|
||||
questions: (json['questions'] as List<dynamic>)
|
||||
.map((e) => TestQuestion.fromJson(e as Map<String, dynamic>))
|
||||
.toList(),
|
||||
answers: (json['answers'] as List<dynamic>?)
|
||||
?.map((e) => UserAnswer.fromJson(e as Map<String, dynamic>))
|
||||
.toList() ?? [],
|
||||
currentQuestionIndex: json['currentQuestionIndex'] as int? ?? 0,
|
||||
startTime: DateTime.parse(json['startTime'] as String),
|
||||
endTime: json['endTime'] != null
|
||||
? DateTime.parse(json['endTime'] as String)
|
||||
: null,
|
||||
timeRemaining: json['timeRemaining'] as int,
|
||||
metadata: json['metadata'] as Map<String, dynamic>?,
|
||||
);
|
||||
}
|
||||
|
||||
Map<String, dynamic> toJson() {
|
||||
return {
|
||||
'id': id,
|
||||
'templateId': templateId,
|
||||
'userId': userId,
|
||||
'status': status.name,
|
||||
'questions': questions.map((e) => e.toJson()).toList(),
|
||||
'answers': answers.map((e) => e.toJson()).toList(),
|
||||
'currentQuestionIndex': currentQuestionIndex,
|
||||
'startTime': startTime.toIso8601String(),
|
||||
'endTime': endTime?.toIso8601String(),
|
||||
'timeRemaining': timeRemaining,
|
||||
'metadata': metadata,
|
||||
};
|
||||
}
|
||||
|
||||
TestSession copyWith({
|
||||
String? id,
|
||||
String? templateId,
|
||||
String? userId,
|
||||
TestStatus? status,
|
||||
List<TestQuestion>? questions,
|
||||
List<UserAnswer>? answers,
|
||||
int? currentQuestionIndex,
|
||||
DateTime? startTime,
|
||||
DateTime? endTime,
|
||||
int? timeRemaining,
|
||||
Map<String, dynamic>? metadata,
|
||||
}) {
|
||||
return TestSession(
|
||||
id: id ?? this.id,
|
||||
templateId: templateId ?? this.templateId,
|
||||
userId: userId ?? this.userId,
|
||||
status: status ?? this.status,
|
||||
questions: questions ?? this.questions,
|
||||
answers: answers ?? this.answers,
|
||||
currentQuestionIndex: currentQuestionIndex ?? this.currentQuestionIndex,
|
||||
startTime: startTime ?? this.startTime,
|
||||
endTime: endTime ?? this.endTime,
|
||||
timeRemaining: timeRemaining ?? this.timeRemaining,
|
||||
metadata: metadata ?? this.metadata,
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user