public async Task <IFile> MoveTo(IFolder destinationFolder, string newName = null)
{
string destinationFullName = PathUtil.CombineFragments(destinationFolder.FullName, newName ?? Name);
await BaseFtpClient.MoveFileAsync(FullName, destinationFullName, FtpExists.Overwrite);
return(new FtpFile(BaseFtpClient, destinationFolder, destinationFullName));
}
private async Task <FtpListItem[]> _GetListingCore()
{
FtpListItem[] items = new FtpListItem[0];
await Policy
.Handle <FtpCommandException>()
.WaitAndRetryAsync(5, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)))
.ExecuteAsync(async() =>
{
items = await BaseFtpClient.GetListingAsync(FullName);
});
return(items);
}
public async Task <Stream> GetReadStream()
{
string tempFileName = Path.GetTempFileName();
await Policy
.Handle <FtpException>()
.WaitAndRetryAsync(5, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)))
.ExecuteAsync(async() =>
{
await BaseFtpClient.DownloadFileAsync(tempFileName, FullName, true, FtpVerify.Retry | FtpVerify.Throw);
});
_tempFileNames.Add(tempFileName);
return(new FileStream(tempFileName, FileMode.Open, FileAccess.Read));
}
public async Task <Stream> GetWriteStream()
{
string tempFileName = Path.GetTempFileName();
ProxyFileStream stream = new ProxyFileStream(tempFileName, FileMode.Create, async(data) =>
{
await Policy
.Handle <FtpException>()
.WaitAndRetryAsync(5, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)))
.ExecuteAsync(async() =>
{
await BaseFtpClient.UploadAsync(data, FullName, FtpExists.Overwrite, true);
});
});
_tempFileNames.Add(tempFileName);
return(stream);
}
public async Task <IFolder> CreateOrGetFolder(string name)
{
string fullPath = PathUtil.CombineFragments(FullName, name);
await Policy
.Handle <FtpCommandException>()
.WaitAndRetryAsync(5, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)))
.ExecuteAsync(async() =>
{
bool exists = await BaseFtpClient.DirectoryExistsAsync(fullPath);
if (!exists)
{
await BaseFtpClient.CreateDirectoryAsync(fullPath);
}
});
return(new FtpFolder(BaseFtpClient, fullPath));
}
public async Task <bool> Exists()
{
return(await BaseFtpClient.FileExistsAsync(FullName));
}
