init

2025-11-17 14:09:17 +08:00
commit 31e46c5bf6
479 changed files with 109324 additions and 0 deletions
--- a/client/lib/features/reading/models/reading_stats.dart
+++ b/client/lib/features/reading/models/reading_stats.dart
@@ -0,0 +1,280 @@
+class ReadingStats {
+  final int totalArticlesRead;
+  final int practicesDone;
+  final double averageScore;
+  final int totalReadingTime; // in minutes
+  final double averageReadingSpeed; // words per minute
+  final double comprehensionAccuracy; // percentage
+  final int vocabularyMastered;
+  final int consecutiveDays;
+  final Map<String, int> categoryStats; // category -> articles read
+  final Map<String, double> difficultyStats; // difficulty -> average score
+  final List<DailyReadingRecord> dailyRecords;
+
+  const ReadingStats({
+    required this.totalArticlesRead,
+    required this.practicesDone,
+    required this.averageScore,
+    required this.totalReadingTime,
+    required this.averageReadingSpeed,
+    required this.comprehensionAccuracy,
+    required this.vocabularyMastered,
+    required this.consecutiveDays,
+    required this.categoryStats,
+    required this.difficultyStats,
+    required this.dailyRecords,
+  });
+
+  factory ReadingStats.fromJson(Map<String, dynamic> json) {
+    final totalArticlesRead = json['totalArticlesRead'];
+    final practicesDone = json['practicesDone'];
+    final averageScore = json['averageScore'];
+    final totalReadingTime = json['totalReadingTime'];
+    final averageReadingSpeed = json['averageReadingSpeed'];
+    final comprehensionAccuracy = json['comprehensionAccuracy'];
+    final vocabularyMastered = json['vocabularyMastered'];
+    final consecutiveDays = json['consecutiveDays'];
+
+    final rawCategoryStats = json['categoryStats'];
+    final Map<String, int> categoryStats = {};
+    if (rawCategoryStats is Map) {
+      rawCategoryStats.forEach((key, value) {
+        final k = key is String ? key : key.toString();
+        final v = value is num ? value.toInt() : 0;
+        categoryStats[k] = v;
+      });
+    }
+
+    final rawDifficultyStats = json['difficultyStats'];
+    final Map<String, double> difficultyStats = {};
+    if (rawDifficultyStats is Map) {
+      rawDifficultyStats.forEach((key, value) {
+        final k = key is String ? key : key.toString();
+        final v = value is num ? value.toDouble() : 0.0;
+        difficultyStats[k] = v;
+      });
+    }
+
+    final rawDailyRecords = json['dailyRecords'];
+    final List<DailyReadingRecord> dailyRecords = [];
+    if (rawDailyRecords is List) {
+      for (final record in rawDailyRecords) {
+        if (record is Map<String, dynamic>) {
+          dailyRecords.add(DailyReadingRecord.fromJson(record));
+        }
+      }
+    }
+
+    return ReadingStats(
+      totalArticlesRead: totalArticlesRead is num ? totalArticlesRead.toInt() : 0,
+      practicesDone: practicesDone is num ? practicesDone.toInt() : 0,
+      averageScore: averageScore is num ? averageScore.toDouble() : 0.0,
+      totalReadingTime: totalReadingTime is num ? totalReadingTime.toInt() : 0,
+      averageReadingSpeed: averageReadingSpeed is num ? averageReadingSpeed.toDouble() : 0.0,
+      comprehensionAccuracy: comprehensionAccuracy is num ? comprehensionAccuracy.toDouble() : 0.0,
+      vocabularyMastered: vocabularyMastered is num ? vocabularyMastered.toInt() : 0,
+      consecutiveDays: consecutiveDays is num ? consecutiveDays.toInt() : 0,
+      categoryStats: categoryStats,
+      difficultyStats: difficultyStats,
+      dailyRecords: dailyRecords,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'totalArticlesRead': totalArticlesRead,
+      'practicesDone': practicesDone,
+      'averageScore': averageScore,
+      'totalReadingTime': totalReadingTime,
+      'averageReadingSpeed': averageReadingSpeed,
+      'comprehensionAccuracy': comprehensionAccuracy,
+      'vocabularyMastered': vocabularyMastered,
+      'consecutiveDays': consecutiveDays,
+      'categoryStats': categoryStats,
+      'difficultyStats': difficultyStats,
+      'dailyRecords': dailyRecords.map((record) => record.toJson()).toList(),
+    };
+  }
+
+  ReadingStats copyWith({
+    int? totalArticlesRead,
+    int? practicesDone,
+    double? averageScore,
+    int? totalReadingTime,
+    double? averageReadingSpeed,
+    double? comprehensionAccuracy,
+    int? vocabularyMastered,
+    int? consecutiveDays,
+    Map<String, int>? categoryStats,
+    Map<String, double>? difficultyStats,
+    List<DailyReadingRecord>? dailyRecords,
+  }) {
+    return ReadingStats(
+      totalArticlesRead: totalArticlesRead ?? this.totalArticlesRead,
+      practicesDone: practicesDone ?? this.practicesDone,
+      averageScore: averageScore ?? this.averageScore,
+      totalReadingTime: totalReadingTime ?? this.totalReadingTime,
+      averageReadingSpeed: averageReadingSpeed ?? this.averageReadingSpeed,
+      comprehensionAccuracy: comprehensionAccuracy ?? this.comprehensionAccuracy,
+      vocabularyMastered: vocabularyMastered ?? this.vocabularyMastered,
+      consecutiveDays: consecutiveDays ?? this.consecutiveDays,
+      categoryStats: categoryStats ?? this.categoryStats,
+      difficultyStats: difficultyStats ?? this.difficultyStats,
+      dailyRecords: dailyRecords ?? this.dailyRecords,
+    );
+  }
+
+  String get readingTimeFormatted {
+    final hours = totalReadingTime ~/ 60;
+    final minutes = totalReadingTime % 60;
+    if (hours > 0) {
+      return '${hours}小时${minutes}分钟';
+    }
+    return '${minutes}分钟';
+  }
+
+  String get averageScoreFormatted {
+    return '${averageScore.toStringAsFixed(1)}分';
+  }
+
+  String get comprehensionAccuracyFormatted {
+    return '${comprehensionAccuracy.toStringAsFixed(1)}%';
+  }
+
+  String get averageReadingSpeedFormatted {
+    return '${averageReadingSpeed.toStringAsFixed(0)}词/分钟';
+  }
+}
+
+class DailyReadingRecord {
+  final DateTime date;
+  final int articlesRead;
+  final int practicesDone;
+  final int readingTime; // in minutes
+  final double averageScore;
+  final int vocabularyLearned;
+
+  const DailyReadingRecord({
+    required this.date,
+    required this.articlesRead,
+    required this.practicesDone,
+    required this.readingTime,
+    required this.averageScore,
+    required this.vocabularyLearned,
+  });
+
+  factory DailyReadingRecord.fromJson(Map<String, dynamic> json) {
+    final dateRaw = json['date'];
+    final articlesRead = json['articlesRead'];
+    final practicesDone = json['practicesDone'];
+    final readingTime = json['readingTime'];
+    final averageScore = json['averageScore'];
+    final vocabularyLearned = json['vocabularyLearned'];
+
+    return DailyReadingRecord(
+      date: dateRaw is String ? DateTime.parse(dateRaw) : DateTime.fromMillisecondsSinceEpoch(0),
+      articlesRead: articlesRead is num ? articlesRead.toInt() : 0,
+      practicesDone: practicesDone is num ? practicesDone.toInt() : 0,
+      readingTime: readingTime is num ? readingTime.toInt() : 0,
+      averageScore: averageScore is num ? averageScore.toDouble() : 0.0,
+      vocabularyLearned: vocabularyLearned is num ? vocabularyLearned.toInt() : 0,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'date': date.toIso8601String(),
+      'articlesRead': articlesRead,
+      'practicesDone': practicesDone,
+      'readingTime': readingTime,
+      'averageScore': averageScore,
+      'vocabularyLearned': vocabularyLearned,
+    };
+  }
+
+  DailyReadingRecord copyWith({
+    DateTime? date,
+    int? articlesRead,
+    int? practicesDone,
+    int? readingTime,
+    double? averageScore,
+    int? vocabularyLearned,
+  }) {
+    return DailyReadingRecord(
+      date: date ?? this.date,
+      articlesRead: articlesRead ?? this.articlesRead,
+      practicesDone: practicesDone ?? this.practicesDone,
+      readingTime: readingTime ?? this.readingTime,
+      averageScore: averageScore ?? this.averageScore,
+      vocabularyLearned: vocabularyLearned ?? this.vocabularyLearned,
+    );
+  }
+}
+
+class ReadingProgress {
+  final String category;
+  final int totalArticles;
+  final int completedArticles;
+  final double averageScore;
+  final String difficulty;
+
+  const ReadingProgress({
+    required this.category,
+    required this.totalArticles,
+    required this.completedArticles,
+    required this.averageScore,
+    required this.difficulty,
+  });
+
+  factory ReadingProgress.fromJson(Map<String, dynamic> json) {
+    return ReadingProgress(
+      category: json['category'] as String,
+      totalArticles: json['totalArticles'] as int,
+      completedArticles: json['completedArticles'] as int,
+      averageScore: (json['averageScore'] as num).toDouble(),
+      difficulty: json['difficulty'] as String,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'category': category,
+      'totalArticles': totalArticles,
+      'completedArticles': completedArticles,
+      'averageScore': averageScore,
+      'difficulty': difficulty,
+    };
+  }
+
+  double get progressPercentage {
+    if (totalArticles == 0) return 0.0;
+    return (completedArticles / totalArticles) * 100;
+  }
+
+  String get progressText {
+    return '$completedArticles/$totalArticles';
+  }
+
+  String get categoryLabel {
+    switch (category.toLowerCase()) {
+      case 'cet4':
+        return '四级阅读';
+      case 'cet6':
+        return '六级阅读';
+      case 'toefl':
+        return '托福阅读';
+      case 'ielts':
+        return '雅思阅读';
+      case 'daily':
+        return '日常阅读';
+      case 'business':
+        return '商务阅读';
+      case 'academic':
+        return '学术阅读';
+      case 'news':
+        return '新闻阅读';
+      default:
+        return category;
+    }
+  }
+}