enum NoteType { text, image } class SelfNote { String id; String? title; String content; NoteType noteType; Map? json; SelfNote({ required this.id, this.title, required this.content, required this.noteType, this.json, }); factory SelfNote.fromJson(Map json) { return SelfNote( id: json['id'], title: json['title'], content: json['content'], noteType: json['note_type'] == 'image' ? NoteType.image : NoteType.text, json: json, ); } get toJson => { 'id': id, 'title': title, 'content': content, 'note_type': noteType == NoteType.image ? 'image' : 'text', }; }