class UserShippingAddress { final String id; final String street; final String city; final String state; final String postalCode; final String country; String? panNumber; final String tradeName; String? gstNumber; bool? isDefault; UserShippingAddress({ required this.id, required this.street, required this.city, required this.state, required this.postalCode, required this.country, this.panNumber, required this.tradeName, this.gstNumber, this.isDefault, }); factory UserShippingAddress.fromJson(Map json) { return UserShippingAddress( id: json['_id'], street: json['street'], city: json['city'], state: json['state'], postalCode: json['postalCode'], country: json['country'], panNumber: json['panNumber'], tradeName: json['tradeName'], gstNumber: json['gstNumber'], isDefault: json['isDefault'], ); } Map toJson() { return { '_id': id, 'street': street, 'city': city, 'state': state, 'postalCode': postalCode, 'country': country, 'panNumber': panNumber, 'tradeName': tradeName, 'gstNumber': gstNumber, 'isDefault': isDefault, }; } // Utility method in UserShippingAddress model to get full address as a string //extension UserShippingAddressExtensions on UserShippingAddress { String toStringFullAddress() { return "$street, $city, $state, $postalCode, $country"; } }