fetchMpesaToken function

Future<Map<String, dynamic>> fetchMpesaToken(
  1. String username,
  2. String password, {
  3. ApplicationMode applicationMode = ApplicationMode.production,
})

Implementation

Future<Map<String, dynamic>> fetchMpesaToken(String username, String password,
    {ApplicationMode applicationMode = ApplicationMode.production}) async {
  final _base64E = base64Encode(utf8.encode('$username:$password'));
  final basicAuth = 'Basic $_base64E';

  try {
    var _url = applicationMode == ApplicationMode.production
        ? mpesaTokenUrl
        : mpesaTokenUrlTest;
    final _res = await http.get(Uri.parse(_url),
        headers: <String, String>{'authorization': basicAuth});
    if (_res.statusCode == 200) {
      final _body = json.decode(_res.body);

      return {'status': 0, 'token': _body['access_token'].toString()};
    } else {
      throw FetchTokenError(_res.body);
    }
  } catch (e) {
    throw FetchTokenError(e.toString());
  }
}