public void AddTest()
        {
            var eventStep = new TestEventStepDto().EventStep;
            var user      = new TestUser().User;

            Assert.DoesNotThrowAsync(() => _eventStepUserLogic.Add(eventStep.Uuid, user));
        }
        public async Task <ActionResult> Add(Guid uuid)
        {
            try
            {
                UserHelper requestingUser = _controllerHelper.GetRequestingUser(this);
                await _eventStepUserLogic.Add(uuid, requestingUser);

                return(Ok());
            }
            catch (DuplicateNameException)
            {
                return(StatusCode(StatusCodes.Status409Conflict));
            }
            catch (Exception e)
            {
                _logLogic.Log(e);
                return(StatusCode(StatusCodes.Status500InternalServerError));
            }
        }