public OperationResultVo GetAllIds(Guid currentUserId)
        {
            try
            {
                IEnumerable <Guid> allIds = userPreferencesDomainService.GetAllIds();

                return(new OperationResultListVo <Guid>(allIds));
            }
            catch (Exception ex)
            {
                return(new OperationResultVo(ex.Message));
            }
        }