Handle wiaas documents

backend/app/plugins/wiaas/includes/package/class-wiaas-package-option-groups.php

@@ -81,6 +81,24 @@ class Wiaas_Package_Option_Groups {
 		return $option_groups;
 	}
 
+	/**
+	 * Retrieve ids of all package options
+	 * @param int $package
+	 *
+	 * @return array
+	 */
+	public static function get_package_option_ids($package) {
+		$groups_data = $package->get_meta( '_wiaas_package_option_groups' );
+
+		$options_ids = array();
+
+		foreach ($groups_data as $group_data) {
+			$options_ids = array_merge($options_ids, $group_data['options']);
+		}
+
+		return array_unique($options_ids);
+	}
+
 	/**
 	 * Set groups of optional packages for provided package
 	 * @param $package