Final network service

final_network_service.dart

class NetworkService {
  NetworkService({
    required this.baseUrl,
    dioClient,
    httpHeaders,
  })  : this._dio = dioClient,
        this._headers = httpHeaders ?? {};
  Dio? _dio;
  final String baseUrl;
  Map<String, String> _headers;
  Future<Dio> _getDefaultDioClient() async {
    _headers['content-type'] = 'application/json; charset=utf-8';
    final dio = Dio()
      ..options.baseUrl = baseUrl
      ..options.headers = _headers
      ..options.connectTimeout = 5000 // 5 seconds
      ..options.receiveTimeout = 3000; // 3 seconds
      
    }
    return dio;
  }
  void addBasicAuth(String accessToken) {
    _headers['Authorization'] = 'Bearer $accessToken';
  }
  Future<NetworkResponse<Model>> execute<Model>(
    NetworkRequest request,
    Model Function(Map<String, dynamic>) parser, {
    ProgressCallback? onSendProgress = null,
    ProgressCallback? onReceiveProgress = null,
  }) async {
    if (_dio == null) {
      _dio = await _getDefaultDioClient();
    }
    final req = _PreparedNetworkRequest<Model>(
      request,
      parser,
      _dio!,
      {..._headers, ...(request.headers ?? {})},
      onSendProgress,
      onReceiveProgress,
    );
    final result = await compute(
      executeRequest<Model>,
      req,
    );
    return result;
  }
}