Flutter/Dart Location simple model example

location.dart

import 'package:league_tracker/lm_track/feature/region/model/region_model.dart';

@immutable
class Location {
  final String id;
  final String shortName;
  final String description;
  final String phone;
  final String email;
  final String street1;
  final String street2;
  final String city;
  final String state;
  final String zipcode;
  final Region? region;

  Location({
    this.id '',
    this.shortName = '',
    this.description = '',
    this.phone = '',
    this.email = '',
    this.street1= '',
    this.street2 = '',
    this.city = '',
    this.state = '',
    this.zipcode = '',
    this.region = null,
  });

  factory Location.fromJson(Map<String, dynamic> json) => Location(
        id: json['id'] ?? '',
        shortName: json['shortname'] ?? '',
        description: json['description'] ?? '',
        phone: json['phone'] ?? '',
        email: json['email'] ?? '',
        street1: json['street1'] ?? '',
        street2: json['street2'] ?? '',
        city: json['city'] ?? '',
        state: json['state'] ?? '',
        zipcode: json['zipcode'] ?? '',
        region: json['region'] != null
            ? Region.fromJson(json['region'])
            : Region.blank(),
      );

  Map<String, dynamic> toJson() {
    final doc = {};
    doc['phone'] = this.phone;
    doc['email'] = this.email;
    doc['street1'] = this.street1;
    doc['street2'] = this.street2;
    doc['city'] = this.city;
    doc['state'] = this.state;
    doc['zipcode'] = this.zipcode;
    doc['region'] = this.region.toJson();
    return doc;
  }

  Location copyWith({
    String? id,
    String? shortName,
    String? description,
    String? phone,
    String? email,
    String? street1,
    String? street2,
    String? city,
    String? state,
    String? zipcode,
    Region? region,
  }) =>
      Location(
        id: id ?? this.id,
        shortName: shortName ?? this.shortName,
        description: description ?? this.description,
        phone: phone ?? this.phone,
        email: email ?? this.email,
        street1: street1 ?? this.street1,
        street2: street2 ?? this.street2,
        city: city ?? this.city,
        state: state ?? this.state,
        zipcode: zipcode ?? this.zipcode,
        region: region ?? this.region,
      );
}