<?php
/**
 * $Id$
 * Business logic for adding folder access
 * addFolderAccessUI.inc for presentation information
 *
 * Expected form variables:
 *	o $fFolderID - primary key of folder user is currently editing
 *
 * Copyright (c) 2003 Jam Warehouse http://www.jamwarehouse.com
 *
 * 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
 *
 * @version $Revision$
 * @author Michael Joseph <michael@jamwarehouse.com>, Jam Warehouse (Pty) Ltd, South Africa
 * @package foldermanagement
 */

require_once("../../../../config/dmsDefaults.php");

KTUtil::extractGPC('fCanRead', 'fCanWrite', 'fFolderID', 'fForStore', 'fGroupID');

include_once("$default->fileSystemRoot/lib/foldermanagement/Folder.inc");
include_once("$default->fileSystemRoot/lib/security/Permission.inc");
include_once("$default->fileSystemRoot/lib/users/User.inc");
include_once("$default->fileSystemRoot/lib/groups/GroupFolderLink.inc");
include_once("$default->fileSystemRoot/lib/groups/Group.inc");
include_once("$default->fileSystemRoot/presentation/Html.inc");
include_once("$default->fileSystemRoot/lib/visualpatterns/PatternListBox.inc");			
include_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");
include_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/foldermanagement/folderUI.inc");
include_once("groupFolderLinkUI.inc");                        

if (!checkSession()) {
    die();
}
include_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");

$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml("");

if (!isset($fFolderID)) {
    //display an error message
    $sErrorMessage = _("No folder currently selected");
    $oPatternCustom->setHtml(renderErrorPage($sErrorMessage, $fFolderID));
    $main->setCentralPayload($oPatternCustom);
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fFolderID=$fFolderID&fForStore=1");
    $main->setHasRequiredFields(true);
    $main->render();    
    exit(0);
}

$oFolder = Folder::get($fFolderID);
// if a folder has been selected
if (!Permission::userHasFolderWritePermission($oFolder)) {
    $sErrorMessage = _("You do not have permission to edit this folder");
    $oPatternCustom->setHtml(renderErrorPage($sErrorMessage, $fFolderID));
    $main->setCentralPayload($oPatternCustom);
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fFolderID=$fFolderID&fForStore=1");
    $main->setHasRequiredFields(true);
    $main->render();    
    exit(0);
}

// can only add access if the user has folder write permission
if (!isset($fForStore)) {
    // display the browse page
    $oPatternCustom->setHtml(getAddPage($fFolderID));
    $main->setCentralPayload($oPatternCustom);
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fFolderID=$fFolderID&fForStore=1");
    $main->setHasRequiredFields(true);
    $main->render();    
    exit(0);
}

$oGroup =& Group::get($fGroupID);
if (!$oGroup) {
    $sErrorMessage = _("The given group does not exist");
    $oPatternCustom->setHtml(renderErrorPage($sErrorMessage, $fFolderID));
    $main->setCentralPayload($oPatternCustom);
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fFolderID=$fFolderID&fForStore=1");
    $main->setHasRequiredFields(true);
    $main->render();    
    exit(0);
}

$res = $oFolder->addPermission($oGroup, $fCanRead, $fCanWrite);

if (PEAR::isError($res)) {
    $oPatternCustom->setHtml(renderErrorPage($res->getMessage(), $fFolderID));
    $main->setCentralPayload($oPatternCustom);
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fFolderID=$fFolderID&fForStore=1");
    $main->setHasRequiredFields(true);
    $main->render();    
    exit(0);
}

controllerRedirect("editFolder", "fFolderID=$fFolderID&fShowSection=folderPermissions");

?>