public async Task UpdateContentAsync(Stream contents, string contentType = null, IProgress progress = null, CancellationToken cancellationToken = default(CancellationToken))
{
cancellationToken.ThrowIfCancellationRequested();
var fullPath = StorageRoot.GetFullPath(LocalPath);
try
{
if (null != progress)
{
progress.Total = contents.Length;
}
using (var fileStream = new FileStream(fullPath, FileMode.Create, FileAccess.Write, FileShare.None, StorageRoot.CopyBufferSize))
{
await contents.CopyToAsync(fileStream, StorageRoot.CopyBufferSize, progress, cancellationToken).ConfigureAwait(false);
await fileStream.FlushAsync(cancellationToken).ConfigureAwait(false);
}
Logger.LogDebug("Successfully updated file \"{0}\".", fullPath);
}
catch (Exception exn)
{
Logger.LogError(exn, "Failed to update file \"{0}\".", fullPath);
throw;
}
MediaType = contentType ?? await StorageRoot.GetMediaTypeAsync(LocalPath, CancellationToken.None).ConfigureAwait(false);
}
