invokeAPI method

Future<Response> invokeAPI(String path, String method, List<QueryParam> queryParams, Object? body, Map<String, String> headerParams, Map<String, String> formParams, String? contentType, { Future<void>? abortTrigger, })

Implementation

Future<Response> invokeAPI(
  String path,
  String method,
  List<QueryParam> queryParams,
  Object? body,
  Map<String, String> headerParams,
  Map<String, String> formParams,
  String? contentType, {
  Future<void>? abortTrigger,
}) async {
  await authentication?.applyToParams(queryParams, headerParams);

  headerParams.addAll(_defaultHeaderMap);
  if (contentType != null) {
    headerParams['Content-Type'] = contentType;
  }

  final urlEncodedQueryParams = queryParams.map((param) => '$param');
  final queryString = urlEncodedQueryParams.isNotEmpty
      ? '?${urlEncodedQueryParams.join('&')}'
      : '';
  final uri = Uri.parse('$basePath$path$queryString');

  try {
    // Special case for uploading a single file which isn't a 'multipart/form-data'.
    if (body is MultipartFile &&
        (contentType == null ||
            !contentType.toLowerCase().startsWith('multipart/form-data'))) {
      final request =
          AbortableStreamedRequest(method, uri, abortTrigger: abortTrigger);
      request.headers.addAll(headerParams);
      request.contentLength = body.length;
      body.finalize().listen(
            request.sink.add,
            onDone: request.sink.close,
            // ignore: avoid_types_on_closure_parameters
            onError: (Object error, StackTrace trace) => request.sink.close(),
            cancelOnError: true,
          );
      final response = await _client.send(request);
      return Response.fromStream(response);
    }

    if (body is MultipartRequest) {
      final request =
          AbortableMultipartRequest(method, uri, abortTrigger: abortTrigger);
      request.fields.addAll(body.fields);
      request.files.addAll(body.files);
      request.headers.addAll(body.headers);
      request.headers.addAll(headerParams);
      final response = await _client.send(request);
      return Response.fromStream(response);
    }

    final msgBody = contentType == 'application/x-www-form-urlencoded'
        ? formParams
        : await serializeAsync(body);
    final nullableHeaderParams = headerParams.isEmpty ? null : headerParams;

    final request = AbortableRequest(method, uri, abortTrigger: abortTrigger);
    if (nullableHeaderParams != null) {
      request.headers.addAll(nullableHeaderParams);
    }
    if (msgBody is String && msgBody.isNotEmpty) {
      request.body = msgBody;
    } else if (msgBody is List<int> && msgBody.isNotEmpty) {
      request.bodyBytes = msgBody;
    } else if (msgBody is Map<String, String>) {
      request.bodyFields = msgBody;
    }
    final response = await _client.send(request);
    return Response.fromStream(response);
  } on SocketException catch (error, trace) {
    throw ApiException.withInner(
      HttpStatus.badRequest,
      'Socket operation failed: $method $path',
      error,
      trace,
    );
  } on TlsException catch (error, trace) {
    throw ApiException.withInner(
      HttpStatus.badRequest,
      'TLS/SSL communication failed: $method $path',
      error,
      trace,
    );
  } on IOException catch (error, trace) {
    throw ApiException.withInner(
      HttpStatus.badRequest,
      'I/O operation failed: $method $path',
      error,
      trace,
    );
  } on ClientException catch (error, trace) {
    throw ApiException.withInner(
      HttpStatus.badRequest,
      'HTTP connection failed: $method $path',
      error,
      trace,
    );
  } on Exception catch (error, trace) {
    throw ApiException.withInner(
      HttpStatus.badRequest,
      'Exception occurred: $method $path',
      error,
      trace,
    );
  }
}