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Created: Wed, Oct 8, 7:13 AM

groups_event_handler.php
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	<?php
	/**
	* @version $Id: groups_event_handler.php 16513 2017-01-20 14:10:53Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class GroupsEventHandler extends kDBEventHandler {

	/**
	* Adds grouping by user id
	*
	* @param kEvent $event
	* @return void
	* @access protected
	* @see kDBEventHandler::OnListBuild()
	*/
	protected function SetCustomQuery(kEvent $event)
	{
	parent::SetCustomQuery($event);

	/** @var kDBList $object */
	$object = $event->getObject();

	switch ($event->Special) {
	case 'user':
	$user_id = $this->Application->GetVar('u_id');

	if ( $user_id !== false ) {
	// show only groups, that user doesn't belong to
	$table_name = $this->Application->GetTempName(TABLE_PREFIX . 'UserGroupRelations', 'prefix:u');

	$sql = 'SELECT GroupId
	FROM ' . $table_name . '
	WHERE PortalUserId = ' . (int)$user_id;
	$group_ids = $this->Conn->GetCol($sql);

	// add system groups
	array_push($group_ids, $this->Application->ConfigValue('User_GuestGroup')); // Guest
	array_push($group_ids, $this->Application->ConfigValue('User_LoggedInGroup')); // Everyone

	$object->addFilter('already_member_filter', '%1$s.GroupId NOT IN (' . implode(',', $group_ids) . ')');
	}
	break;
	}
	}

	/**
	* Refreshes left tree on save
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnSave(kEvent $event)
	{
	parent::OnSave($event);

	$this->Application->StoreVar('refresh_tree', 1);
	}
	}

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