private async void FileDownloadSuccessful(object sender, FileDownloadResultEventArgs e)
{
CurrentShownFiles[e.ID].progress_Download.Visible = false;
CurrentShownFiles[e.ID].panel_CheckMark.Visible = true;
CurrentShownFiles[e.ID].panel_CheckMark.Invalidate();
CurrentShownFiles[e.ID].CurrentState = FileStatus.Finished;
if (check_DeleteAfterDownload.Checked)
{
if (CurrentShownFiles[e.ID].CurrentState != FileStatus.Deleted)
{
bool success = await ApiCommunication.DeleteFileRequest(CurrentShownFiles[e.ID].FileStructOnline.FullName, UserSettings.UserAccessToken, e.ID);
}
}
DownloadNextFile();
}
public async static Task <bool> DownloadFile(string fileName, int id, string authToken)
{
string tempfile = Path.Combine(Constants.API_FILE_DOWNLOAD_FOLDER, fileName);
var request = new HttpRequestMessage(HttpMethod.Get, Constants.API_FILEHOST_GET_FILE);
request.Headers.Add("File-Name", fileName);
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", authToken);
HttpResponseMessage response = await ApiClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
if (response.StatusCode != HttpStatusCode.OK)
{
// Something wrong
FileDownloadResultEventArgs result_args = new FileDownloadResultEventArgs();
result_args.Successful = false;
result_args.FileName = fileName;
result_args.Reason = response.ReasonPhrase;
FileDownloadFailure?.Invoke(null, result_args);
return(false);
}
var totalBytes = 0L;
if (response.Headers.Contains("File-Size"))
{
totalBytes = Convert.ToInt64(response.Headers.GetValues("File-Size").FirstOrDefault());
}
Stream contentStream = await response.Content.ReadAsStreamAsync();
FileStream fileStream = new FileStream(tempfile, FileMode.Create, FileAccess.Write, FileShare.None, 8192, true);
var totalRead = 0L;
var totalReads = 0L;
var buffer = new byte[8192];
var isMoreToRead = true;
do
{
var read = await contentStream.ReadAsync(buffer, 0, buffer.Length);
if (read == 0)
{
isMoreToRead = false;
}
else
{
await fileStream.WriteAsync(buffer, 0, read);
totalRead += read;
totalReads += 1;
if (totalReads % 2000 == 0)
{
FileTransferProgressEventArgs progress_args = new FileTransferProgressEventArgs();
progress_args.FileName = fileName;
progress_args.ID = id;
decimal pp = (decimal)totalRead / (decimal)totalBytes;
progress_args.PercentProgress = (int)Math.Round(pp * 100);
FileDownloadProgress?.Invoke(null, progress_args);
//Console.WriteLine(string.Format("total bytes downloaded so far: {0:n0}", totalRead));
}
}
}while (isMoreToRead);
FileDownloadResultEventArgs args = new FileDownloadResultEventArgs();
args.Successful = true;
args.FileName = fileName;
args.ID = id;
FileDownloadSuccessful?.Invoke(null, args);
return(true);
}
