public Task <IActionResult> Handle(UpdateCategoryCommand request, CancellationToken cancellationToken)
        {
            IActionResult response = new BadRequestResult();

            try
            {
                var validatorResults = _updateValidator.Validate(request);

                if (!validatorResults.IsValid)
                {
                    var errors = validatorResults.Errors.Select(f => f.ErrorMessage);
                    var output = ApiResultHelper.GenerateErrorResponse(HttpStatusCode.UnprocessableEntity, errors);

                    response = new UnprocessableEntityObjectResult(output);
                }
                else
                {
                    var result = 0;
                    var entity = _repository.GetById(request.CategoryId).Result;

                    if (entity != null)
                    {
                        entity = _mapper.Map <Category>(request);
                        result = _repository.Update(entity).Result;
                    }

                    response = new OkObjectResult(ApiResultHelper.GenerateResponse(HttpStatusCode.OK, result));
                }
            }
            catch (Exception ex)
            {
                if (this._logger != null)
                {
                    _logger.LogError(ex, "Exception");
                }
            }

            return(Task.FromResult(response));
        }