<?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/classes/GallerySortInterface_1_2.class');

/**
 * Sort by average rating.
 * @package Rating
 * @subpackage Classes
 * @author Don Seiler <don@seiler.us>
 * @version $Revision: 17580 $
 */
class RatingSortOrder extends GallerySortInterface_1_2 {

    /**
     * @see GallerySortInterface_1_2::getSortInfo
     */
    function getSortInfo() {
	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'rating');
	if ($ret) {
	    return array($ret, null, null);
	}

	return array(null, $module->translate('Rating'), false);
    }

    /**
     * @see GallerySortInterface_1_2::getSortOrder
     */
    function getSortOrder($direction) {
	return array(null,
	    '[RatingCacheMap::averageRating]' . $direction . ', [RatingCacheMap::voteCount] DESC',
	    '[RatingCacheMap::averageRating], [RatingCacheMap::voteCount]', null,
	    'LEFT JOIN [RatingCacheMap] ON [BASE::ID] = [RatingCacheMap::itemId]');
    }
}
?>