public IEnumerable <StreamDto> GetAll()
        {
            var streamsList = _repository.GetAll();

            var streams = _mapper.Map <IEnumerable <Stream>, IEnumerable <StreamDto> >(streamsList);

            return(streams);
        }
        public async Task <IActionResult> GetAllStreams()
        {
            IEnumerable <Stream> streams = await _streamRepository.GetAll();

            if (streams == null)
            {
                return(new NotFoundResult());
            }
            else
            {
                return(new OkObjectResult(streams));
            }
        }