class Duty {
  const Duty({required this.dutyNumber, required this.busWorkNumber});

  final String dutyNumber;
  final String busWorkNumber;

  Duty copyWith({String? dutyNumber, String? busWorkNumber}) {
    return Duty(
      dutyNumber: dutyNumber ?? this.dutyNumber,
      busWorkNumber: busWorkNumber ?? this.busWorkNumber,
    );
  }

  Map<String, dynamic> toJson() {
    return {"dutyNumber": dutyNumber, "busWorkNumber": busWorkNumber};
  }

  factory Duty.fromJson(Map<String, dynamic> json) {
    return Duty(
      dutyNumber: (json["dutyNumber"] ?? "").toString(),
      busWorkNumber: (json["busWorkNumber"] ?? "").toString(),
    );
  }
}