<?php
/*
 * $RCSfile: RewriteModuleExtras.inc,v $
 *
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2004 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/**
 * @package Rewrite
 * @version $Revision: 1.1 $ $Date: 2005/02/24 22:34:05 $
 * @author Douglas Cau <douglas@cau.se>
 */

class RewriteModuleExtras {

    /**
     * @see GalleryModule::upgrade
     */
    function upgrade($module, $currentVersion) {
	switch ($currentVersion) {
	case null:
	    /* Initial install */
	    foreach (array('prefixMap' => serialize(array()),
			   'usePrefixes' => 'true',
			   'galleryLocation' => '')
		    as $key => $value) {
		$ret = $module->setParameter($key, $value);
		if ($ret->isError()) {
		    return $ret->wrap(__FILE__, __LINE__);
		}
	    }
	    
	    $currentVersion = '0.8.0';
	    break;

	case '0.0.1':
	    $currentVersion = '0.0.2';

	case '0.0.2':
	    $currentVersion = '0.0.3';

	case '0.0.3':
	    foreach (array('prefixes' => '', 'views' => '')
		    as $key => $value) {
		$ret = $module->setParameter($key, $value);
		if ($ret->isError()) {
		    return $ret->wrap(__FILE__, __LINE__);
		}
	    }

	    $currentVersion = '0.0.4';

	case '0.0.4':
	    $prefixMap = array();
	    list ($ret, $views) =
		    GalleryCoreApi::getPluginParameter('module', 'rewrite', 'views');
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $views = explode('|', $views);
	    
	    list ($ret, $prefixes) =
		    GalleryCoreApi::getPluginParameter('module', 'rewrite', 'prefixes');
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $prefixes = explode('|', $prefixes);
	    
	    for ($i = 0; $i < sizeof($views); $i++) {
		if (strlen($prefixes[$i])) {
		    $prefixMap[$views[$i]] = $prefixes[$i];
		}
	    }
	
	    foreach (array('prefixMap' => serialize($prefixMap))
		    as $key => $value) {
		$ret = $module->setParameter($key, $value);
		if ($ret->isError()) {
		    return $ret->wrap(__FILE__, __LINE__);
		}
	    }
	    
	    $ret = $module->removeItemParameter('views', 0);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $ret = $module->removeItemParameter('prefixes', 0);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }

	    $currentVersion = '0.0.5';

	case '0.0.5':
	    $currentVersion = '0.1.0';

	case '0.1.0':
	    $currentVersion = '0.1.1';

	case '0.1.1':
	    $currentVersion = '0.1.2';

	case '0.1.2':
	    $currentVersion = '0.1.3';

	case '0.1.3':
	    foreach (array('usePrefixes' => 'true',
			   'rewriteLocation' => '',
			   'rewriteBase' => '')
		    as $key => $value) {
		$ret = $module->setParameter($key, $value);
		if ($ret->isError()) {
		    return $ret->wrap(__FILE__, __LINE__);
		}
	    }
	
	    $currentVersion = '0.1.4';
	    
	case '0.1.4':
	    $currentVersion = '0.1.5';
	    
	case '0.1.5':
	    foreach (array('galleryLocation' => '',
			   'step' => 1)
		    as $key => $value) {
		$ret = $module->setParameter($key, $value);
		if ($ret->isError()) {
		    return $ret->wrap(__FILE__, __LINE__);
		}
	    }
	
	    $currentVersion = '0.1.6';
	    
	case '0.1.6':
	    $currentVersion = '0.1.7';
	    
	case '0.1.7':
	    $currentVersion = '0.1.8';

	case '0.1.8':
	    $ret = $module->removeItemParameter('rewriteLocation', 0);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	    $ret = $module->removeItemParameter('rewriteBase', 0);
	    if ($ret->isError()) {
		return $ret->wrap(__FILE__, __LINE__);
	    }
	
	    $currentVersion = '0.1.9';
	    
	case '0.1.9':
	    $currentVersion = '0.1.10';

	case '0.1.10':
	    $currentVersion = '0.8.0';
	    break;
	    
	default:
	    return GalleryStatus::error(ERROR_BAD_PLUGIN, __FILE__, __LINE__,
					sprintf('Unknown module version %s', $currentVersion));
	}

    	return GalleryStatus::success();
    }
}
?>