public function getCurrentSidebarId( $default = 'default-sidebar', $meta_key = '_app_custom_sidebar' ) {
		$post_id = $this->getSidebarPostId();
		$sidebar = $default;

		if ( $post_id ) {
			$sidebar = get_post_meta( $post_id, $meta_key, true );
		}

		if ( empty( $sidebar ) ) {
			$sidebar = $default;
		}

		return $sidebar;
	}