private async Task<DFileInfo> localFileOperationAsync(DFileInfo destinationFolder, bool move)
{
if (destinationFolder == null)
throw new NullReferenceException(ExceptionMessage.IsNullOrInvalid("destinationFolder"));
if (destinationFolder.IsReadOnly)
throw new InvalidOperationException(ExceptionMessage.ReadOnly);
if (!destinationFolder.IsDirectory)
throw new InvalidOperationException("Destination is not a folder. Impossible to move/copy to a file.");
if (this.Provider == destinationFolder.Provider)
{
if (move)
{
return await Provider.MoveAsync(this, destinationFolder);
}
else
{
return await Provider.CopyAsync(this, destinationFolder);
}
}
else
{
if (this.IsDirectory)
throw new InvalidOperationException("Copying or moving folders between providers is not supported.");
Stream thisFile = await this.GetDownloadStreamAsync();
var file = await destinationFolder.CreateFileAsync(this.Name, thisFile, CancellationToken.None);
if (move) await this.DeleteAsync();
return file;
}
}
