public async Task SyncDirectory(SiteSetting site, string siteKey)
{
_logger.LogInformation($"Starting sync {siteKey}");
try
{
_client.Host = site.FtpServer;
_client.Credentials = new System.Net.NetworkCredential(site.UserName, site.Password);
await _client.ConnectAsync();
await _client.DownloadFolderRecursive(site.RootFolder[0], site.DestinationFolder);
_logger.LogInformation($"Finish sync {siteKey}");
}
catch (FtpException exc)
{
_logger.LogError(exc, $"Error processing site {siteKey}");
}
finally
{
if (_client.IsConnected)
{
await _client.DisconnectAsync();
}
}
}
public static async Task DownloadFolderRecursive(this IFtpClient client, string source, string destination)
{
var entries = await client.GetListingAsync(source);
foreach (var item in entries.Where(x => x.Type == FtpFileSystemObjectType.File))
{
try
{
var downloadFile = true;
var file = $"{destination}\\{item.Name}";
if (File.Exists(file))
{
var fileInfo = new FileInfo(file);
downloadFile = fileInfo.LastWriteTimeUtc < item.Modified;
}
if (!downloadFile)
{
continue;
}
var result = await client.DownloadFileAsync(file, item.FullName);
if (!result)
{
throw new FtpException($"Error downloading file {item.FullName}");
}
}
catch (FtpException exc)
{
if (exc.InnerException is FtpCommandException ftpCommandException)
{
throw new FtpException($"Error downloading file {item.FullName}. Response type {ftpCommandException.ResponseType}", ftpCommandException);
}
throw new FtpException($"Error downloading file {item.FullName}", exc);
}
}
foreach (var item in entries.Where(x => x.Type == FtpFileSystemObjectType.Directory))
{
var newDestination = $@"{destination}\{item.Name}";
if (!Directory.Exists(newDestination))
{
Directory.CreateDirectory(newDestination);
}
await client.DownloadFolderRecursive($"{source}/{item.Name}", newDestination);
}
}
