private void DownloadButton_Click(object sender, EventArgs e)
{
if (sender != null)
{
//This is a user call
if (verifyTask != null && !verifyTask.IsCompleted)
{
return;
}
if (downloadTask != null && !downloadTask.IsCompleted)
{
return;
}
}
if (filesAreInSync)
{
return;
}
if (filesThatRequireUpdate.Count > 0)
{
downloadTask = Task.Factory.StartNew((Action)(() =>
{
//Reset the progress bar
Invoke(new MethodInvoker(() =>
{
progressBar1.Visible = false;
progressBar1.Value = 0;
progressBar1.Maximum = 1;
}));
var filesToDownload = filesThatRequireUpdate.Where(f => f.RemoteFileInfo != null);
var totalFilesToDownload = filesToDownload.Count();
var totalKilobytesToDownload = filesToDownload.Sum(f => f.RemoteFileInfo.Length) / 1024d;
Invoke(new MethodInvoker(() =>
{
progressBar1.Visible = true;
progressBar1.ForeColor = SystemColors.Highlight;
progressBar1.Maximum = (int)totalKilobytesToDownload;
}));
int downloadCount = 0;
var ftpDownloader = new FtpDownloader();
ftpDownloader.OnProgressChanged += new FtpDownloader.ProgressChangedSignature((bytes) =>
{
var kb = bytes / 1024d;
Invoke(new MethodInvoker(() =>
{
progressBar1.Value = (int)kb;
}));
});
ftpDownloader.OnStartDownload += new FtpDownloader.StartDownloadSignature((pair) =>
{
SetCurrentAction("Downloading " + Path.GetFileName(pair.LocalFilename));
});
ftpDownloader.OnFinishedDownload += new FtpDownloader.FinishedDownloadSignature((pair) =>
{
Interlocked.Increment(ref downloadCount);
});
bool allDownloadedSuccessfully = ftpDownloader.DownloadFiles(filesToDownload, settings.DownloadThreads);
Invoke(new MethodInvoker(() =>
{
progressBar1.Value = progressBar1.Maximum;
}));
if (!allDownloadedSuccessfully)
{
MessageBox.Show("Possible FTP Connection Problem" + Environment.NewLine + "Not all files were downloaded." + Environment.NewLine + "Please verify and try again.",
"FTP Download Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
var filesToDelete = filesThatRequireUpdate.Where(f => f.RemoteFileInfo == null).ToList();
filesToDelete.ForEach(pair =>
{
SetCurrentAction("Removing file " + Path.GetDirectoryName(pair.LocalFilename) + @"\" + Path.GetFileNameWithoutExtension(pair.LocalFilename));
File.Delete(pair.LocalFilename);
});
SetCurrentAction(string.Format("Finished. Downloaded {0:N0} files.", downloadCount));
filesAreInSync = true;
updateStatus.BackgroundImage = Properties.Resources.green_light;
//Reset the progress bar
Invoke(new MethodInvoker(() =>
{
progressBar1.Visible = false;
progressBar1.Value = 0;
}));
if (settings.AutomaticallyBuildLinksAfterDownload)
{
Rebuildbutton_Click(null, null);
}
filesThatRequireUpdate.Clear();
}));
}
}
