新增影视的字段

lib/models/data_models_extension.dart

@@ -1,78 +0,0 @@
-/// 数据模型扩展 - 添加 copyWith 方法以便更新数据
-library;
-
-import 'data_models.dart';
-
-/// Movie 扩展 - 添加 copyWith 方法
-extension MovieExtension on Movie {
-  /// 创建副本并允许修改部分属性
-  Movie copyWith({
-    String? id,
-    String? title,
-    String? poster,
-    double? rating,
-    int? year,
-    String? status,
-    DateTime? watchDate,
-    String? note,
-  }) {
-    return Movie(
-      id: id ?? this.id,
-      title: title ?? this.title,
-      poster: poster ?? this.poster,
-      rating: rating ?? this.rating,
-      year: year ?? this.year,
-      status: status ?? this.status,
-      watchDate: watchDate ?? this.watchDate,
-      note: note ?? this.note,
-    );
-  }
-}
-
-/// Book 扩展 - 添加 copyWith 方法
-extension BookExtension on Book {
-  /// 创建副本并允许修改部分属性
-  Book copyWith({
-    String? id,
-    String? title,
-    String? author,
-    String? cover,
-    double? rating,
-    String? status,
-    DateTime? readDate,
-    String? note,
-  }) {
-    return Book(
-      id: id ?? this.id,
-      title: title ?? this.title,
-      author: author ?? this.author,
-      cover: cover ?? this.cover,
-      rating: rating ?? this.rating,
-      status: status ?? this.status,
-      readDate: readDate ?? this.readDate,
-      note: note ?? this.note,
-    );
-  }
-}
-
-/// Note 扩展 - 添加 copyWith 方法
-extension NoteExtension on Note {
-  /// 创建副本并允许修改部分属性
-  Note copyWith({
-    String? id,
-    String? title,
-    String? content,
-    List<String>? tags,
-    DateTime? createdAt,
-    DateTime? updatedAt,
-  }) {
-    return Note(
-      id: id ?? this.id,
-      title: title ?? this.title,
-      content: content ?? this.content,
-      tags: tags ?? this.tags,
-      createdAt: createdAt ?? this.createdAt,
-      updatedAt: updatedAt ?? this.updatedAt,
-    );
-  }
-}