public override async Task <EvaluationMessageResponse> DeleteSeries(SeriesEvaluationAdd request, ServerCallContext context)
        {
            try
            {
                var series   = _mapper.Map <SeriesEvaluationAdd, Series>(request);
                var response = await _evaluation.DeleteSeries(series);

                if (response)
                {
                    throw new Exception("Ne moze serija da obrise");
                }
                return(new EvaluationMessageResponse()
                {
                    Signal = true
                });
            }
            catch (Exception e)
            {
                _logger.LogError(e, "ERROR");
                return(new EvaluationMessageResponse()
                {
                    Signal = false
                });
            }
        }