private static IEnumerable <string> DownloadFiles(string localPath, IFtpClient client, string directoryFullPath,
DateTime beginTime)
{
if (!Directory.Exists(localPath))
{
Directory.CreateDirectory(localPath);
}
var localFiles = new DirectoryInfo(localPath).GetFiles("*.*");
var remoteFiles = client.GetListing(directoryFullPath).Where(p => p.Modified >= beginTime);
var downloads = new List <string>();
var localFullPaths = new List <string>();
foreach (var remoteFile in remoteFiles)
{
if (remoteFile.Size <= 0)
{
continue;
}
if (localFiles.Any(p => p.Name == remoteFile.Name))
{
var localFile = localFiles.Single(p => p.Name == remoteFile.Name);
if (localFile.Length == remoteFile.Size)
{
continue;
}
}
downloads.Add(remoteFile.FullName);
localFullPaths.Add(Path.Combine(localPath, remoteFile.Name));
}
client.DownloadFiles(localPath, downloads);
Console.WriteLine($"Download {downloads.Count} records from {directoryFullPath}...");
return(localFullPaths);
}
