public async void ProgressDownload(ProgressDownload progress)
        {
            Console.WriteLine("[Downloadanager] ProgressDownload");
            Console.WriteLine("[Downloadanager] ProgressDownload Id : {0}", progress.Id);
            Console.WriteLine("[Downloadanager] ProgressDownload Written : {0}", progress.Written);
            Console.WriteLine("[Downloadanager] ProgressDownload Total : {0}", progress.Total);

            Download download;
            bool     found = _repo.TryById(progress.Id, out download);

            if (!found)
            {
                await _bus.SendAsync <DownloadError> (new DownloadError {
                    Id    = progress.Id,
                    Error = ErrorEnum.ProgressDownload_IdentifierNotFound
                });

                return;
            }

            bool progressed = download.TryProgress(progress.Written, progress.Total);

            _repo.Update(download);

            await _bus.SendAsync <NotifyProgress> (new NotifyProgress {
                Url      = download.Url,
                Download = download
            });

            if (!progressed)
            {
                await _bus.SendAsync <DownloadError> (new DownloadError {
                    Id    = progress.Id,
                    Error = ErrorEnum.ProgressDownload_OutOfOrder
                });

                return;
            }
        }