init

client/lib/features/home/models/learning_progress_model.dart

@@ -0,0 +1,48 @@
+/// 学习进度模型
+class LearningProgress {
+  final String id;
+  final String title;
+  final String category;
+  final int totalWords;
+  final int learnedWords;
+  final double progress;
+  final DateTime? lastStudyDate;
+
+  LearningProgress({
+    required this.id,
+    required this.title,
+    required this.category,
+    required this.totalWords,
+    required this.learnedWords,
+    required this.progress,
+    this.lastStudyDate,
+  });
+
+  factory LearningProgress.fromJson(Map<String, dynamic> json) {
+    return LearningProgress(
+      id: json['id'] as String? ?? '',
+      title: json['title'] as String? ?? '',
+      category: json['category'] as String? ?? '',
+      totalWords: json['total_words'] as int? ?? 0,
+      learnedWords: json['learned_words'] as int? ?? 0,
+      progress: (json['progress'] as num?)?.toDouble() ?? 0.0,
+      lastStudyDate: json['last_study_date'] != null
+          ? DateTime.tryParse(json['last_study_date'] as String)
+          : null,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'title': title,
+      'category': category,
+      'total_words': totalWords,
+      'learned_words': learnedWords,
+      'progress': progress,
+      'last_study_date': lastStudyDate?.toIso8601String(),
+    };
+  }
+
+  String get progressPercentage => '${(progress * 100).toInt()}%';
+}