private async Task <Stream> ToStream(DropboxAttribute attribute, ValueBindingContext arg2)
{
var client = this.GetClient(attribute);
if (attribute.Access == FileAccess.Read)
{
try
{
var response = await client.Files.DownloadAsync(attribute.Path);
var res = await response.GetContentAsStreamAsync();
return(res);
}
catch (DropboxException e)
{
if (IsFileNotFoundException(e))
{
return(null);
}
throw e;
}
}
else if (attribute.Access == FileAccess.Write)
{
Stream stream = new ChunkUploadStream(client, attribute.Path);
stream = new BufferedStream(stream);
return(stream);
}
throw new InvalidOperationException("Cannot bind using FileAccess.ReadWrite: must be either read or write.");
}
public DropboxClient GetClient(DropboxAttribute attribute)
{
var cx = attribute.Connection ?? this.Connection;
return(new DropboxClient(cx));
}
