<?php
/*
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2008 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

GalleryCoreApi::requireOnce('modules/core/AdminMaintenance.inc');

/**
 * This is a MaintenanceTask that will optimize all the Gallery tables in the database to make
 * Gallery run smoothly.
 * @package GalleryCore
 * @subpackage Classes
 * @author Bharat Mediratta <bharat@menalto.com>
 * @version $Revision: 17580 $
 */
class OptimizeDatabaseTask extends MaintenanceTask {
    /**
     * @see MaintenanceTask::getInfo
     */
    function getInfo() {
	global $gallery;

	$info['l10Domain'] = 'modules_core';
	$info['title'] = $gallery->i18n('Optimize database');
	$info['description'] = $gallery->i18n(
	    'Improve the performance of your database.  Results will vary depending on which ' .
	    'database you\'re using, but this routine maintenance will make your Gallery run ' .
	    'faster.  Especially useful after adding or deleting many items.');
	return $info;
    }

    /**
     * @see MaintenanceTask::run
     */
    function run() {
	global $gallery;

	$storage =& $gallery->getStorage();
	$ret = $storage->optimize();
	if ($ret) {
	    return array($ret, null, null);
	}

	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
	if ($ret) {
	    return array($ret, null, null);
	}

	$details = array($module->translate('Database optimized successfully'));

	return array(null, true, $details);
    }
}
?>