<?php
	/**
	 * menu class
	 * high class of the menu module
	 *
	 * @author NHN (developers@xpressengine.com)
	 * @package /modules/menu
	 * @version 0.1
	 */
    class menu extends ModuleObject {
		/**
		 * Implement if additional tasks are necessary when installing
		 * @return Object
		 */
        function moduleInstall() {
            // Create a directory to use menu
            FileHandler::makeDir('./files/cache/menu');

            return new Object();
        }

		/**
		 * A method to check if successfully installed
		 * @return bool
		 */
        function checkUpdate() {
            $oDB = &DB::getInstance();
            // 2009. 02. 11 menu added to the table site_srl
            if(!$oDB->isColumnExists('menu', 'site_srl')) return true;

			// 2012. 02. 01 title index check
			if(!$oDB->isIndexExists("menu", "idx_title")) return true;
            return false;
        }

		/**
		 * Execute update
		 * @return Object
		 */
        function moduleUpdate() {
            $oDB = &DB::getInstance();
            // 2009. 02. 11 menu added to the table site_srl
            if(!$oDB->isColumnExists('menu', 'site_srl')) {
                $oDB->addColumn('menu','site_srl','number',11,0,true);
            }

			// 2012. 02. 01 title index check
			if(!$oDB->isIndexExists("menu","idx_title")) {
                $oDB->addIndex('menu', 'idx_title', array('title'));
            }

            return new Object(0, 'success_updated');
        }

		/**
		 * Re-generate the cache file
		 * @return void
		 */
        function recompileCache() {
            $oMenuAdminController = &getAdminController('menu');
            // Wanted list of all the blog module
            $output = executeQueryArray("menu.getMenus");
            $list = $output->data;
            if(!count($list)) return;
            // The menu module is used in the re-create all the menu list
            foreach($list as $menu_item) {
                $menu_srl = $menu_item->menu_srl;
                $oMenuAdminController->makeXmlFile($menu_srl);
            }
        }
    }
?>