performPostRequest static method

Future performPostRequest(dynamic server, dynamic command, dynamic payload, { Map<String, String> headers = const {}, })

Implementation

static Future<dynamic> performPostRequest(server, command, payload,
    {Map<String, String> headers = const {}}) async {
  _warnIfHttp(server);
  var response = await http.post(
    command.isEmpty ? Uri.parse(server) : Uri.parse('$server/$command'),
    headers: {
      'content-type': 'application/json',
      ...headers,
    },
    encoding: Encoding.getByName('utf8'),
    body: utf8.encode(json.encode(payload)),
  );

  // check for the status code 200 or throw an exception
  if (response.statusCode != 200) {
    throw HttpException(
      "Error: ${response.statusCode} ${response.reasonPhrase} ${response.body}",
      uri:
          command.isEmpty ? Uri.parse(server) : Uri.parse('$server/$command'),
    );
  }

  return response.body.isNotEmpty ? response.body : null;
}