bp_document_sync_document_data( $attachment_id )

function bp_document_sync_document_data( $attachment_id ) {
	if ( ! is_admin() || wp_doing_ajax() ) {
		return;
	}
	global $wpdb, $bp;
	// Check if document is attached to a document.
	$document = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$bp->document->table_name} WHERE attachment_id = %d", $attachment_id ) ); // db call ok; no-cache ok;
	if ( $document ) {
		$document_post = get_post( $attachment_id );
		$document = bp_document_rename_file( $document->id, $attachment_id, $document_post->post_title, true );
	}
}