public async Task SaveFileAsync(Filesystem.File file, CancellationToken cancellationToken)
{
this.logger.Info("Uploading file: {value1}", file.FullPath(Separator));
var directories = new List <Directory>();
var currentDir = file.Directory;
while (currentDir != null)
{
directories.Add(currentDir);
currentDir = currentDir.Directory;
}
directories.Reverse();
foreach (var directory in directories)
{
var createDirectoryRequest = this.CreateRequest(directory.FullPath((Separator)));
createDirectoryRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
using var createDirectoryRegister = cancellationToken.Register(() => createDirectoryRequest.Abort());
try
{
using var createDirectoryResponse = await createDirectoryRequest.GetResponseAsync();
}
catch (WebException ex)
{
if (ex.Response is FtpWebResponse makeDirectoryResponse)
{
// If File is unavailable the folder already exists
if (makeDirectoryResponse.StatusCode != FtpStatusCode.ActionNotTakenFileUnavailable)
{
this.logger.Error(ex);
}
}
else
{
this.logger.Error(ex);
}
}
}
var request = this.CreateRequest(file.FullPath(Separator));
request.Method = WebRequestMethods.Ftp.UploadFile;
using var cancellationRegister = cancellationToken.Register(() => request.Abort());
await using var stream = await request.GetRequestStreamAsync();
await using var fileStream = await file.GetStreamAsync(cancellationToken);
await fileStream.CopyToAsync(stream, cancellationToken);
using var response = await request.GetResponseAsync();
this.logger.Info("Uploaded file: {value1}", file.FullPath(Separator));
}
public async Task <Filesystem.File> GetFileAsync(Filesystem.File file, CancellationToken cancellationToken)
{
this.logger.Info("Downloading File: {value1}", file.FullPath(Separator));
var request = this.CreateRequest(file.FullPath(Separator));
request.Method = WebRequestMethods.Ftp.DownloadFile;
using var cancellationRegister = cancellationToken.Register(() => request.Abort());
using var response = await request.GetResponseAsync();
await using var responseStream = response.GetResponseStream();
if (responseStream != null)
{
System.IO.Directory.CreateDirectory(this.tempFolder ?? throw new InvalidOperationException());
async Task <Stream> getStream(CancellationToken cancellationToken)
=> await Task.FromResult(new FileStream(Path.Combine(this.tempFolder, file.Name), FileMode.OpenOrCreate));
void onDispose()
{
if (File.Exists(Path.Combine(this.tempFolder, file.Name)))
{
File.Delete(Path.Combine(this.tempFolder, file.Name));
}
}
using (var stream = await getStream(cancellationToken))
{
await responseStream.CopyToAsync(stream, cancellationToken);
}
this.logger.Info("Downloaded File: {value1}", file.FullPath());
return(file.ReplaceContent(getStream, onDispose));
}
return(null);
}
