getById method

Implementation

Future<ResponseItemDTO<PromoCodeDTO>> getById({String? id}) async {
  final response = await _http!.request(
    requestType: RequestType.get,
    path: '/dashboard/promo_codes',
    param: id,
  );

  return ResponseItemDTO<PromoCodeDTO>(
    response: response,
    fromJson: PromoCodeDTO.fromJson,
  );
}