getSuggestion static method

Future<List<Suggestion>> getSuggestion(String input, { String? locale, required String googleMapApiKey, })

Implementation

static Future<List<Suggestion>> getSuggestion(String input,
    {String? locale, required String googleMapApiKey}) async {
  if (input.isEmpty) return [];

  const uuid = Uuid();
  String sessionToken = uuid.v4();
  String baseURL =
      'https://maps.googleapis.com/maps/api/place/autocomplete/json';

  String localeComponent =
      locale != null ? " &components=country:$locale" : '';
  String request =
      '$baseURL?input=$input&key=$googleMapApiKey&sessiontoken=$sessionToken$localeComponent';

  log("GET: $request");

  final response = await Dio().get(request);

  if (response.statusCode == 200) {
    final result = response.data;

    log(result['predictions'].toString());

    if (result['status'] == 'OK') {
      return result['predictions']
          .map<Suggestion>(
            (p) => Suggestion(
              p['place_id'],
              p['description'],
            ),
          )
          .toList();
    }
    if (result['status'] == 'ZERO_RESULTS') {
      return [];
    }
    throw Exception(result['error_message']);
  } else {
    throw Exception('Failed to fetch suggestion');
  }
}