Handle wiaas documents

backend/app/plugins/wiaas/includes/package/class-wiaas-package-addon.php

@@ -49,6 +49,16 @@ class Wiaas_Package_Addon {
 		return $addons;
 	}
 
+	/**
+	 * Retrieve ids of package addons
+	 * @param int $package
+	 *
+	 * @return array
+	 */
+	public static function get_package_addons_ids($package) {
+		return $package->get_meta( '__wiaas_package_addons' );
+	}
+
 	/**
 	 * Sets addons for provided wiaas standard package type
 	 * @param $package