fetchCurrencyTypes function

Future<List<AutocompleteModel>> fetchCurrencyTypes(String? userId, Config config)

Implementation

Future<List<AutocompleteModel>> fetchCurrencyTypes(
    String? userId, Config config) async {
  String filter = "";
  if (userId != null) {
    filter = "?filter%5BuserId%5D=$userId";
  }
  String path =
      '${constants.API_HOST}/tenant/${config.applicationId}/get-currency-autocomplete$filter';

  final response = await http.post(Uri.parse(path),
      body: jsonEncode(<String, String>{
        "application_id": config.applicationId,
        "client_secret": config.clientSecret,
        "client_id": config.clientId,
        "version": config.version,
      }),
      headers: <String, String>{
        'Content-Type': 'application/json; charset=UTF-8',
      });

  if (response.statusCode == 200) {
    // If the server did return a 200 OK response,
    // then parse the JSON.
    var rb = response.body;

    // store json data into list
    var list = jsonDecode(rb);

    List<AutocompleteModel> items = [];

    // iterate over the list and map each object in list to Img by calling Img.fromJson
    items = list == null
        ? items
        : list
            .map<AutocompleteModel>((i) => AutocompleteModel.fromJson(i))
            .toList();

    return items;
  } else {
    // If the server did not return a 200 OK response,
    // then throw an exception.
    throw Exception('Failed to fetch currency types');
  }
}