query<T> method

  1. @override
Future<GraphQLResponse<T>> query<T>(
  1. String query, {
  2. String? url,
  3. Map<String, dynamic>? variables,
  4. Map<String, String>? headers,
})
override

query allow made GraphQL raw queries final connect = GetConnect(); connect.baseUrl = 'https://countries.trevorblades.com/'; final response = await connect.query( r""" { country(code: "BR") { name native currency languages { code name } } } """, ); print(response.body);

Implementation

@override
Future<GraphQLResponse<T>> query<T>(
  String query, {
  String? url,
  Map<String, dynamic>? variables,
  Map<String, String>? headers,
}) async {
  try {
    final res = await post(
      url,
      {'query': query, 'variables': variables},
      headers: headers,
    );

    final listError = res.body['errors'];
    if ((listError is List) && listError.isNotEmpty) {
      return GraphQLResponse<T>(
          graphQLErrors: listError
              .map((e) => GraphQLError(
                    code: (e['extensions'] != null
                            ? e['extensions']['code'] ?? ''
                            : '')
                        .toString(),
                    message: (e['message'] ?? '').toString(),
                  ))
              .toList());
    }
    return GraphQLResponse<T>.fromResponse(res);
  } on Exception catch (err) {
    return GraphQLResponse<T>(graphQLErrors: [
      GraphQLError(
        code: null,
        message: err.toString(),
      )
    ]);
  }
}