passo_mobile_app/lib/model/location/city.dart

// To parse this JSON data, do
//
//     final city = cityFromJson(jsonString);

import 'package:meta/meta.dart';
import 'dart:convert';

City cityFromJson(String str) => City.fromJson(json.decode(str));

String cityToJson(City data) => json.encode(data.toJson());

class City {
    City({
        required this.code,
        required this.description,
        required this.province,
        required this.psgcCode,
        required this.zipcode,
    });

    final String code;
    final String description;
    final Province province;
    final String psgcCode;
    final String zipcode;

    factory City.fromJson(Map<String, dynamic> json) => City(
        code: json["code"],
        description: json["description"],
        province: Province.fromJson(json["province"]),
        psgcCode: json["psgc_code"],
        zipcode: json["zipcode"],
    );

    Map<String, dynamic> toJson() => {
        "code": code,
        "description": description,
        "province": province.toJson(),
        "psgc_code": psgcCode,
        "zipcode": zipcode,
    };
}

class Province {
    Province({
        required this.code,
        required this.description,
        required this.region,
        required this.psgcCode,
        required this.shortname,
    });

    final String code;
    final String description;
    final Region region;
    final String psgcCode;
    final String shortname;

    factory Province.fromJson(Map<String, dynamic> json) => Province(
        code: json["code"],
        description: json["description"],
        region: Region.fromJson(json["region"]),
        psgcCode: json["psgc_code"],
        shortname: json["shortname"],
    );

    Map<String, dynamic> toJson() => {
        "code": code,
        "description": description,
        "region": region.toJson(),
        "psgc_code": psgcCode,
        "shortname": shortname,
    };
}

class Region {
    Region({
        required this.code,
        required this.description,
        required this.psgcCode,
    });

    final int code;
    final String description;
    final String psgcCode;

    factory Region.fromJson(Map<String, dynamic> json) => Region(
        code: json["code"],
        description: json["description"],
        psgcCode: json["psgc_code"],
    );

    Map<String, dynamic> toJson() => {
        "code": code,
        "description": description,
        "psgc_code": psgcCode,
    };
}