Rain/lib/app/api/city.dart

class CityApi {
  CityApi({
    required this.results,
  });

  List<Result> results;

  factory CityApi.fromJson(Map<String, dynamic> json) => CityApi(
        results: json["results"] == null
            ? List<Result>.empty()
            : List<Result>.from(json["results"].map((x) => Result.fromJson(x))),
      );
}

class Result {
  Result({
    required this.admin1,
    required this.name,
    required this.latitude,
    required this.longitude,
  });

  String admin1;
  String name;
  double latitude;
  double longitude;

  factory Result.fromJson(Map<String, dynamic> json) => Result(
        admin1: json["admin1"] ?? '',
        name: json["name"],
        latitude: json["latitude"],
        longitude: json["longitude"],
      );
}