class AppUser { const AppUser({ required this.id, required this.name, required this.email, }); final int id; final String name; final String email; factory AppUser.fromJson(Map json) { final name = (json['name'] ?? json['nama'] ?? '').toString().trim(); return AppUser( id: (json['id'] as num?)?.toInt() ?? 0, name: name.isEmpty ? 'Wisatawan' : name, email: (json['email'] ?? '').toString().trim(), ); } AppUser copyWith({ int? id, String? name, String? email, }) { return AppUser( id: id ?? this.id, name: name ?? this.name, email: email ?? this.email, ); } }