note.dart

class Note {
  int? _id;
  String? _title;
  String? _description;
  String? _date;
  int? _priority;

  // default constructor
  Note(this._title, this._date, this._priority, [this._description]);

  // Named constructor with ID
  Note.withId(this._id, this._title, this._date, this._priority,
      [this._description]);

  // getters
  int? get id => _id;
  String? get title => _title;
  String? get description => _description;
  String? get date => _date;
  int? get priority => _priority;

  // setters
  set title(String? newTitle) {
    if (newTitle!.length <= 255) {
      this._title = newTitle;
    }
  }

  set description(String? newDescription) {
    if (newDescription!.length <= 255) {
      this._description = newDescription;
    }
  }

  set priority(int? newPriority) {
    if (newPriority! >= 1 && newPriority <= 2) {
      this._priority = newPriority;
    }
  }

  set date(String? newDate) {
    this._date = newDate;
  }

  // Convert a Note object into a map object
  Map<String, dynamic> toMap() {
    var map = Map<String, dynamic>();
    if (id != null) {
      map['id'] = _id;
    }
    map['title'] = _title;
    map['description'] = _description;
    map['priority'] = _priority;
    map['date'] = _date;

    return map;
  }

  // Extract a note object from a map object
  Note.fromMapObject(Map<String, dynamic> map) {
    this._id = map["id"];
    this._title = map["title"];
    this._description = map["description"];
    this._priority = map["priority"];
    this._date = map["date"];
  }
}