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lib/models/.gitkeep

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+# Models directory
+# This directory contains data models for the application

lib/models/concurrent_task.dart

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+import 'course.dart';
+
+/// Concurrent evaluation task status
+enum TaskStatus {
+  waiting, // 等待开始
+  preparing, // 准备评教（访问页面、解析问卷）
+  countdown, // 倒计时等待
+  submitting, // 提交中
+  verifying, // 验证中
+  completed, // 完成
+  failed, // 失败
+}
+
+/// Concurrent evaluation task
+class ConcurrentTask {
+  final int taskId;
+  final Course course;
+  TaskStatus status;
+  String? statusMessage;
+  int countdownRemaining;
+  int countdownTotal;
+  String? errorMessage;
+  DateTime? startTime;
+  DateTime? endTime;
+
+  ConcurrentTask({
+    required this.taskId,
+    required this.course,
+    this.status = TaskStatus.waiting,
+    this.statusMessage,
+    this.countdownRemaining = 0,
+    this.countdownTotal = 0,
+    this.errorMessage,
+    this.startTime,
+    this.endTime,
+  });
+
+  /// Get progress (0.0 to 1.0)
+  double get progress {
+    switch (status) {
+      case TaskStatus.waiting:
+        return 0.0;
+      case TaskStatus.preparing:
+        return 0.1;
+      case TaskStatus.countdown:
+        if (countdownTotal > 0) {
+          return 0.1 +
+              0.7 * (countdownTotal - countdownRemaining) / countdownTotal;
+        }
+        return 0.1;
+      case TaskStatus.submitting:
+        return 0.85;
+      case TaskStatus.verifying:
+        return 0.95;
+      case TaskStatus.completed:
+      case TaskStatus.failed:
+        return 1.0;
+    }
+  }
+
+  /// Get status display text
+  String get statusText {
+    if (statusMessage != null) return statusMessage!;
+
+    switch (status) {
+      case TaskStatus.waiting:
+        return '等待开始';
+      case TaskStatus.preparing:
+        return '准备评教';
+      case TaskStatus.countdown:
+        return '等待提交 (${countdownRemaining}s)';
+      case TaskStatus.submitting:
+        return '提交中';
+      case TaskStatus.verifying:
+        return '验证中';
+      case TaskStatus.completed:
+        return '完成';
+      case TaskStatus.failed:
+        return '失败';
+    }
+  }
+
+  /// Check if task is finished
+  bool get isFinished =>
+      status == TaskStatus.completed || status == TaskStatus.failed;
+
+  /// Check if task is successful
+  bool get isSuccess => status == TaskStatus.completed;
+
+  ConcurrentTask copyWith({
+    TaskStatus? status,
+    String? statusMessage,
+    int? countdownRemaining,
+    int? countdownTotal,
+    String? errorMessage,
+    DateTime? startTime,
+    DateTime? endTime,
+  }) {
+    return ConcurrentTask(
+      taskId: taskId,
+      course: course,
+      status: status ?? this.status,
+      statusMessage: statusMessage ?? this.statusMessage,
+      countdownRemaining: countdownRemaining ?? this.countdownRemaining,
+      countdownTotal: countdownTotal ?? this.countdownTotal,
+      errorMessage: errorMessage ?? this.errorMessage,
+      startTime: startTime ?? this.startTime,
+      endTime: endTime ?? this.endTime,
+    );
+  }
+}

lib/models/course.dart

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+/// Course data model representing a course that needs evaluation
+class Course {
+  final String id;
+  final String name;
+  final String teacher;
+  final String evaluatedPeople;
+  final String evaluatedPeopleNumber;
+  final String coureSequenceNumber;
+  final String evaluationContentNumber;
+  final String questionnaireCode;
+  final String questionnaireName;
+  final bool isEvaluated;
+
+  Course({
+    required this.id,
+    required this.name,
+    required this.teacher,
+    required this.evaluatedPeople,
+    required this.evaluatedPeopleNumber,
+    required this.coureSequenceNumber,
+    required this.evaluationContentNumber,
+    required this.questionnaireCode,
+    required this.questionnaireName,
+    this.isEvaluated = false,
+  });
+
+  /// Create Course from JSON
+  factory Course.fromJson(Map<String, dynamic> json) {
+    return Course(
+      id: json['id'] as String? ?? '',
+      name: json['name'] as String? ?? '',
+      teacher: json['teacher'] as String? ?? '',
+      evaluatedPeople: json['evaluatedPeople'] as String? ?? '',
+      evaluatedPeopleNumber: json['evaluatedPeopleNumber'] as String? ?? '',
+      coureSequenceNumber: json['coureSequenceNumber'] as String? ?? '',
+      evaluationContentNumber: json['evaluationContentNumber'] as String? ?? '',
+      questionnaireCode: json['questionnaireCode'] as String? ?? '',
+      questionnaireName: json['questionnaireName'] as String? ?? '',
+      isEvaluated: json['isEvaluated'] as bool? ?? false,
+    );
+  }
+
+  /// Convert Course to JSON
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'name': name,
+      'teacher': teacher,
+      'evaluatedPeople': evaluatedPeople,
+      'evaluatedPeopleNumber': evaluatedPeopleNumber,
+      'coureSequenceNumber': coureSequenceNumber,
+      'evaluationContentNumber': evaluationContentNumber,
+      'questionnaireCode': questionnaireCode,
+      'questionnaireName': questionnaireName,
+      'isEvaluated': isEvaluated,
+    };
+  }
+
+  /// Create a copy of Course with updated fields
+  Course copyWith({
+    String? id,
+    String? name,
+    String? teacher,
+    String? evaluatedPeople,
+    String? evaluatedPeopleNumber,
+    String? coureSequenceNumber,
+    String? evaluationContentNumber,
+    String? questionnaireCode,
+    String? questionnaireName,
+    bool? isEvaluated,
+  }) {
+    return Course(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      teacher: teacher ?? this.teacher,
+      evaluatedPeople: evaluatedPeople ?? this.evaluatedPeople,
+      evaluatedPeopleNumber:
+          evaluatedPeopleNumber ?? this.evaluatedPeopleNumber,
+      coureSequenceNumber: coureSequenceNumber ?? this.coureSequenceNumber,
+      evaluationContentNumber:
+          evaluationContentNumber ?? this.evaluationContentNumber,
+      questionnaireCode: questionnaireCode ?? this.questionnaireCode,
+      questionnaireName: questionnaireName ?? this.questionnaireName,
+      isEvaluated: isEvaluated ?? this.isEvaluated,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Course(id: $id, name: $name, teacher: $teacher, isEvaluated: $isEvaluated)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    return other is Course && other.id == id;
+  }
+
+  @override
+  int get hashCode => id.hashCode;
+}

lib/models/evaluation_history.dart

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+import 'course.dart';
+
+/// Evaluation history record
+class EvaluationHistory {
+  final String id;
+  final Course course;
+  final DateTime timestamp;
+  final bool success;
+  final String? errorMessage;
+
+  EvaluationHistory({
+    required this.id,
+    required this.course,
+    required this.timestamp,
+    required this.success,
+    this.errorMessage,
+  });
+
+  factory EvaluationHistory.fromJson(Map<String, dynamic> json) {
+    return EvaluationHistory(
+      id: json['id'] as String? ?? '',
+      course: Course.fromJson(json['course'] as Map<String, dynamic>),
+      timestamp: json['timestamp'] != null
+          ? DateTime.parse(json['timestamp'] as String)
+          : DateTime.now(),
+      success: json['success'] as bool? ?? false,
+      errorMessage: json['errorMessage'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'course': course.toJson(),
+      'timestamp': timestamp.toIso8601String(),
+      'success': success,
+      'errorMessage': errorMessage,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'EvaluationHistory(id: $id, course: ${course.name}, success: $success, timestamp: $timestamp)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    return other is EvaluationHistory && other.id == id;
+  }
+
+  @override
+  int get hashCode => id.hashCode;
+}

lib/models/evaluation_result.dart

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+import 'course.dart';
+
+/// Result of a single course evaluation
+class EvaluationResult {
+  final Course course;
+  final bool success;
+  final String? errorMessage;
+  final DateTime timestamp;
+
+  EvaluationResult({
+    required this.course,
+    required this.success,
+    this.errorMessage,
+    DateTime? timestamp,
+  }) : timestamp = timestamp ?? DateTime.now();
+
+  factory EvaluationResult.fromJson(Map<String, dynamic> json) {
+    return EvaluationResult(
+      course: Course.fromJson(json['course'] as Map<String, dynamic>),
+      success: json['success'] as bool? ?? false,
+      errorMessage: json['errorMessage'] as String?,
+      timestamp: json['timestamp'] != null
+          ? DateTime.parse(json['timestamp'] as String)
+          : DateTime.now(),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'course': course.toJson(),
+      'success': success,
+      'errorMessage': errorMessage,
+      'timestamp': timestamp.toIso8601String(),
+    };
+  }
+
+  @override
+  String toString() {
+    return 'EvaluationResult(course: ${course.name}, success: $success, errorMessage: $errorMessage)';
+  }
+}
+
+/// Result of batch evaluation
+class BatchEvaluationResult {
+  final int total;
+  final int success;
+  final int failed;
+  final List<EvaluationResult> results;
+  final Duration duration;
+
+  BatchEvaluationResult({
+    required this.total,
+    required this.success,
+    required this.failed,
+    required this.results,
+    required this.duration,
+  });
+
+  factory BatchEvaluationResult.fromJson(Map<String, dynamic> json) {
+    return BatchEvaluationResult(
+      total: json['total'] as int? ?? 0,
+      success: json['success'] as int? ?? 0,
+      failed: json['failed'] as int? ?? 0,
+      results:
+          (json['results'] as List<dynamic>?)
+              ?.map((e) => EvaluationResult.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+      duration: Duration(milliseconds: json['durationMs'] as int? ?? 0),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'total': total,
+      'success': success,
+      'failed': failed,
+      'results': results.map((e) => e.toJson()).toList(),
+      'durationMs': duration.inMilliseconds,
+    };
+  }
+
+  double get successRate => total > 0 ? success / total : 0.0;
+
+  @override
+  String toString() {
+    return 'BatchEvaluationResult(total: $total, success: $success, failed: $failed, duration: ${duration.inSeconds}s)';
+  }
+}

lib/models/login_status.dart

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+/// EC登录状态
+class ECLoginStatus {
+  final bool success;
+  final bool failNotFoundTwfid;
+  final bool failNotFoundRsaKey;
+  final bool failNotFoundRsaExp;
+  final bool failNotFoundCsrfCode;
+  final bool failInvalidCredentials;
+  final bool failMaybeAttacked;
+  final bool failNetworkError;
+  final bool failUnknownError;
+
+  ECLoginStatus({
+    this.success = false,
+    this.failNotFoundTwfid = false,
+    this.failNotFoundRsaKey = false,
+    this.failNotFoundRsaExp = false,
+    this.failNotFoundCsrfCode = false,
+    this.failInvalidCredentials = false,
+    this.failMaybeAttacked = false,
+    this.failNetworkError = false,
+    this.failUnknownError = false,
+  });
+
+  bool get isSuccess => success;
+  bool get isFailed => !success;
+
+  String get errorMessage {
+    if (failNotFoundTwfid) return '未找到TwfID';
+    if (failNotFoundRsaKey) return '未找到RSA密钥';
+    if (failNotFoundRsaExp) return '未找到RSA指数';
+    if (failNotFoundCsrfCode) return '未找到CSRF代码';
+    if (failInvalidCredentials) return '用户名或密码错误';
+    if (failMaybeAttacked) return '可能受到攻击或需要验证码';
+    if (failNetworkError) return '网络连接错误';
+    if (failUnknownError) return '未知错误';
+    return '';
+  }
+}
+
+/// UAAP登录状态
+class UAAPLoginStatus {
+  final bool success;
+  final bool failNotFoundLt;
+  final bool failNotFoundExecution;
+  final bool failInvalidCredentials;
+  final bool failNetworkError;
+  final bool failUnknownError;
+
+  UAAPLoginStatus({
+    this.success = false,
+    this.failNotFoundLt = false,
+    this.failNotFoundExecution = false,
+    this.failInvalidCredentials = false,
+    this.failNetworkError = false,
+    this.failUnknownError = false,
+  });
+
+  bool get isSuccess => success;
+  bool get isFailed => !success;
+
+  String get errorMessage {
+    if (failNotFoundLt) return '未找到lt参数';
+    if (failNotFoundExecution) return '未找到execution参数';
+    if (failInvalidCredentials) return '用户名或密码错误';
+    if (failNetworkError) return '网络连接错误';
+    if (failUnknownError) return '未知错误';
+    return '';
+  }
+}
+
+/// EC检查状态
+class ECCheckStatus {
+  final bool loggedIn;
+  final bool failNetworkError;
+  final bool failUnknownError;
+
+  ECCheckStatus({
+    this.loggedIn = false,
+    this.failNetworkError = false,
+    this.failUnknownError = false,
+  });
+
+  bool get isLoggedIn => loggedIn;
+}

lib/models/models.dart

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+/// Export all data models
+export 'course.dart';
+export 'questionnaire.dart';
+export 'user_credentials.dart';
+export 'evaluation_result.dart';
+export 'evaluation_history.dart';

lib/models/questionnaire.dart

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+/// Question type enum for text questions
+enum QuestionType {
+  inspiration, // 启发类（包含"启发"关键词）
+  suggestion, // 建议类（包含"建议"、"意见"关键词）
+  overall, // 总体评价（zgpj）
+  general, // 通用类型
+}
+
+/// Metadata for questionnaire
+class QuestionnaireMetadata {
+  final String title;
+  final String evaluatedPerson;
+  final String evaluationContent;
+  final String tokenValue;
+  final String questionnaireCode;
+  final String evaluatedPeopleNumber;
+
+  QuestionnaireMetadata({
+    required this.title,
+    required this.evaluatedPerson,
+    required this.evaluationContent,
+    required this.tokenValue,
+    required this.questionnaireCode,
+    required this.evaluatedPeopleNumber,
+  });
+
+  factory QuestionnaireMetadata.fromJson(Map<String, dynamic> json) {
+    return QuestionnaireMetadata(
+      title: json['title'] as String? ?? '',
+      evaluatedPerson: json['evaluatedPerson'] as String? ?? '',
+      evaluationContent: json['evaluationContent'] as String? ?? '',
+      tokenValue: json['tokenValue'] as String? ?? '',
+      questionnaireCode: json['questionnaireCode'] as String? ?? '',
+      evaluatedPeopleNumber: json['evaluatedPeopleNumber'] as String? ?? '',
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'title': title,
+      'evaluatedPerson': evaluatedPerson,
+      'evaluationContent': evaluationContent,
+      'tokenValue': tokenValue,
+      'questionnaireCode': questionnaireCode,
+      'evaluatedPeopleNumber': evaluatedPeopleNumber,
+    };
+  }
+}
+
+/// Radio option for single-choice questions
+class RadioOption {
+  final String label; // 如"(A) 非常满意"
+  final String value; // 如"5_1"（5分×100%）
+  final double score; // 解析后的分数
+  final double weight; // 解析后的权重
+
+  RadioOption({
+    required this.label,
+    required this.value,
+    required this.score,
+    required this.weight,
+  });
+
+  factory RadioOption.fromJson(Map<String, dynamic> json) {
+    return RadioOption(
+      label: json['label'] as String? ?? '',
+      value: json['value'] as String? ?? '',
+      score: (json['score'] as num?)?.toDouble() ?? 0.0,
+      weight: (json['weight'] as num?)?.toDouble() ?? 0.0,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {'label': label, 'value': value, 'score': score, 'weight': weight};
+  }
+
+  @override
+  String toString() {
+    return 'RadioOption(label: $label, value: $value, score: $score, weight: $weight)';
+  }
+}
+
+/// Radio question (single-choice question)
+class RadioQuestion {
+  final String key; // 动态key，如"0000000401"
+  final String questionText; // 题目文本
+  final List<RadioOption> options;
+  final String category; // 如"师德师风"、"教学内容"
+
+  RadioQuestion({
+    required this.key,
+    required this.questionText,
+    required this.options,
+    this.category = '',
+  });
+
+  factory RadioQuestion.fromJson(Map<String, dynamic> json) {
+    return RadioQuestion(
+      key: json['key'] as String? ?? '',
+      questionText: json['questionText'] as String? ?? '',
+      options:
+          (json['options'] as List<dynamic>?)
+              ?.map((e) => RadioOption.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+      category: json['category'] as String? ?? '',
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'key': key,
+      'questionText': questionText,
+      'options': options.map((e) => e.toJson()).toList(),
+      'category': category,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'RadioQuestion(key: $key, questionText: $questionText, category: $category, options: ${options.length})';
+  }
+}
+
+/// Text question (open-ended question)
+class TextQuestion {
+  final String key; // 动态key或"zgpj"
+  final String questionText; // 题目文本
+  final QuestionType type; // 通过关键词识别的类型
+  final bool isRequired; // 是否必填
+
+  TextQuestion({
+    required this.key,
+    required this.questionText,
+    required this.type,
+    this.isRequired = false,
+  });
+
+  factory TextQuestion.fromJson(Map<String, dynamic> json) {
+    return TextQuestion(
+      key: json['key'] as String? ?? '',
+      questionText: json['questionText'] as String? ?? '',
+      type: QuestionType.values.firstWhere(
+        (e) => e.toString() == 'QuestionType.${json['type']}',
+        orElse: () => QuestionType.general,
+      ),
+      isRequired: json['isRequired'] as bool? ?? false,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'key': key,
+      'questionText': questionText,
+      'type': type.toString().split('.').last,
+      'isRequired': isRequired,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'TextQuestion(key: $key, questionText: $questionText, type: $type, isRequired: $isRequired)';
+  }
+}
+
+/// Complete questionnaire structure
+class Questionnaire {
+  final QuestionnaireMetadata metadata;
+  final List<RadioQuestion> radioQuestions;
+  final List<TextQuestion> textQuestions;
+  final String tokenValue;
+  final String questionnaireCode;
+  final String evaluationContent;
+  final String evaluatedPeopleNumber;
+
+  Questionnaire({
+    required this.metadata,
+    required this.radioQuestions,
+    required this.textQuestions,
+    required this.tokenValue,
+    required this.questionnaireCode,
+    required this.evaluationContent,
+    required this.evaluatedPeopleNumber,
+  });
+
+  factory Questionnaire.fromJson(Map<String, dynamic> json) {
+    return Questionnaire(
+      metadata: QuestionnaireMetadata.fromJson(
+        json['metadata'] as Map<String, dynamic>? ?? {},
+      ),
+      radioQuestions:
+          (json['radioQuestions'] as List<dynamic>?)
+              ?.map((e) => RadioQuestion.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+      textQuestions:
+          (json['textQuestions'] as List<dynamic>?)
+              ?.map((e) => TextQuestion.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+      tokenValue: json['tokenValue'] as String? ?? '',
+      questionnaireCode: json['questionnaireCode'] as String? ?? '',
+      evaluationContent: json['evaluationContent'] as String? ?? '',
+      evaluatedPeopleNumber: json['evaluatedPeopleNumber'] as String? ?? '',
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'metadata': metadata.toJson(),
+      'radioQuestions': radioQuestions.map((e) => e.toJson()).toList(),
+      'textQuestions': textQuestions.map((e) => e.toJson()).toList(),
+      'tokenValue': tokenValue,
+      'questionnaireCode': questionnaireCode,
+      'evaluationContent': evaluationContent,
+      'evaluatedPeopleNumber': evaluatedPeopleNumber,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'Questionnaire(radioQuestions: ${radioQuestions.length}, textQuestions: ${textQuestions.length})';
+  }
+}

lib/models/user_credentials.dart

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+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+/// User credentials for authentication
+class UserCredentials {
+  final String userId;
+  final String ecPassword;
+  final String password;
+
+  UserCredentials({
+    required this.userId,
+    required this.ecPassword,
+    required this.password,
+  });
+
+  factory UserCredentials.fromJson(Map<String, dynamic> json) {
+    return UserCredentials(
+      userId: json['userId'] as String? ?? '',
+      ecPassword: json['ecPassword'] as String? ?? '',
+      password: json['password'] as String? ?? '',
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {'userId': userId, 'ecPassword': ecPassword, 'password': password};
+  }
+
+  /// Save credentials securely using flutter_secure_storage
+  Future<void> saveSecurely() async {
+    const storage = FlutterSecureStorage();
+    await storage.write(key: 'user_id', value: userId);
+    await storage.write(key: 'ec_password', value: ecPassword);
+    await storage.write(key: 'password', value: password);
+  }
+
+  /// Load credentials from secure storage
+  static Future<UserCredentials?> loadSecurely() async {
+    const storage = FlutterSecureStorage();
+
+    final userId = await storage.read(key: 'user_id');
+    final ecPassword = await storage.read(key: 'ec_password');
+    final password = await storage.read(key: 'password');
+
+    if (userId == null || ecPassword == null || password == null) {
+      return null;
+    }
+
+    return UserCredentials(
+      userId: userId,
+      ecPassword: ecPassword,
+      password: password,
+    );
+  }
+
+  /// Clear credentials from secure storage
+  static Future<void> clearSecurely() async {
+    const storage = FlutterSecureStorage();
+    await storage.delete(key: 'user_id');
+    await storage.delete(key: 'ec_password');
+    await storage.delete(key: 'password');
+  }
+
+  @override
+  String toString() {
+    return 'UserCredentials(userId: $userId)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    return other is UserCredentials &&
+        other.userId == userId &&
+        other.ecPassword == ecPassword &&
+        other.password == password;
+  }
+
+  @override
+  int get hashCode => Object.hash(userId, ecPassword, password);
+}