public override async Task <EvaluationMessageResponse> DeleteUser(UserEvaluationAdd request, ServerCallContext context)
        {
            try
            {
                var user     = _mapper.Map <UserEvaluationAdd, User>(request);
                var response = await _evaluation.DeleteUser(user);

                if (response)
                {
                    throw new Exception("Ne moze korisnika da obrise");
                }
                return(new EvaluationMessageResponse()
                {
                    Signal = true
                });

                return(new EvaluationMessageResponse()
                {
                    Signal = false
                });
            }
            catch (Exception e)
            {
                _logger.LogError(e, "ERROR");
                return(new EvaluationMessageResponse()
                {
                    Signal = false
                });
            }
        }