public PresentationDto Read(int id)
        {
            try
            {
                var presentation = _presentationRepository.Get(id);

                if (presentation != null)
                {
                    presentation.Chapters = _chapterService.ReadByPresentationId(id);
                    return(presentation.ToPresentationDto());
                }

                return(new PresentationDto());
            }
            catch (Exception)
            {
                return(new PresentationDto());
            }
        }