<?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.
 */

/**
 * Helper functions for ItemAttributes map
 * @package GalleryCore
 * @subpackage Helpers
 * @author Bharat Mediratta <bharat@menalto.com>
 * @version $Revision: 17580 $
 * @static
 */
class GalleryItemAttributesHelper_medium {

    /**
     * @see GalleryCoreApi::fetchItemOrderWeight
     */
    function fetchOrderWeight($itemId) {
	list ($ret, $orderWeights) =
	    GalleryItemAttributesHelper_medium::fetchOrderWeights(array($itemId));
	if ($ret) {
	    return array($ret, null);
	}

	if (!isset($orderWeights[$itemId])) {
	    return array(GalleryCoreApi::error(ERROR_MISSING_OBJECT), null);
	}

	return array(null, (int)$orderWeights[$itemId]);
    }

    /**
     * @see GalleryCoreApi::fetchItemOrderWeights
     */
    function fetchOrderWeights($itemIds) {
	global $gallery;

	foreach ($itemIds as $idx => $id) {
	    $itemIds[$idx] = (int)$id;
	}
	list ($ret, $searchResults) = GalleryCoreApi::getMapEntry('GalleryItemAttributesMap',
	    array('itemId', 'orderWeight'), array('itemId' => $itemIds));
	if ($ret) {
	    return array($ret, null);
	}

	$data = array();
	while ($result = $searchResults->nextResult()) {
	    $data[(int)$result[0]] = $result[1];
	}
	return array(null, $data);
    }
}
?>