<?php
/*
 * $RCSfile: NewItemsHelper.class,v $
 *
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2005 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.
 */
/**
 * @version $Revision: 1.4 $ $Date: 2005/08/23 03:49:47 $
 * @package NewItems
 * @author Alan Harder <alan.harder@sun.com>
 */

/**
 * A helper class for the NewItems module.
 *
 * @package NewItems
 * @subpackage Classes
 */
class NewItemsHelper {

    /**
     * Count number of albums with NewItems sort
     *
     * @return array GalleryStatus a status code
     *               int count
     * @static
     */
    function fetchAlbumCount() {
	global $gallery;
	$query = 'SELECT COUNT([GalleryAlbumItem::id]) FROM [GalleryAlbumItem] ' .
		 'WHERE [GalleryAlbumItem::orderBy] LIKE \'%NewItems%\'';

	list ($ret, $results) = $gallery->search($query);
	if ($ret->isError()) {
	    return array($ret->wrap(__FILE__, __LINE__), null);
	}

	$count = 0;
	if ($result = $results->nextResult()) {
	    $count = (int)$result[0];
	}
	return array(GalleryStatus::success(), $count);
    }

    /**
     * Remove NewItems sort from all albums
     *
     * @return GalleryStatus a status code
     * @static
     */
    function resetNewItemSorts() {
	global $gallery;
	$query = 'SELECT [GalleryAlbumItem::id] FROM [GalleryAlbumItem] ' .
		 'WHERE [GalleryAlbumItem::orderBy] LIKE \'%NewItems%\'';

	list ($ret, $results) = $gallery->search($query);
	if ($ret->isError()) {
	    return $ret->wrap(__FILE__, __LINE__);
	}

	for ($i = 0; $result = $results->nextResult();) {
	    if ($i++ % 10 == 0) {
		$gallery->guaranteeTimeLimit(5);
	    }
	    $itemId = (int)$result[0];
	    list ($ret, $lockId) = GalleryCoreApi::acquireWriteLock($itemId);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    list ($ret, $item) = GalleryCoreApi::loadEntitiesById($itemId);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $item->setOrderBy('');
	    $item->setOrderDirection('');
	    $ret = $item->save();
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $ret = GalleryCoreApi::releaseLocks($lockId);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	}
	return GalleryStatus::success();
    }
}
?>