class NutritionistNoteModel { const NutritionistNoteModel({ required this.id, required this.childId, required this.note, required this.createdAt, }); final int id; final int childId; final String note; final String createdAt; factory NutritionistNoteModel.fromJson(Map json) { return NutritionistNoteModel( id: (json['id'] as num?)?.toInt() ?? 0, childId: (json['child_id'] as num?)?.toInt() ?? 0, note: json['note'] as String? ?? '', createdAt: json['created_at'] as String? ?? '', ); } Map toJson() => { 'id': id, 'child_id': childId, 'note': note, 'created_at': createdAt, }; }