classes/class.ilGroup.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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. |
        +-----------------------------------------------------------------------------+
*/


class ilGroup
{
        var $ilias;

        var $group_id;
        
        function ilGroup($a_group_id = 0)
        {
                global $ilias;
                
                // init variables
                $this->ilias = &$ilias;
                
                $this->group_id = $a_group_id;
        }
        
        function _groupNameExists($a_group_name,$a_id = 0)
        {
                global $ilDB,$ilErr;
                
                if (empty($a_group_name))
                {
                        $message = get_class($this)."::groupNameExists(): No groupname given!";
                        $ilErr->raiseError($message,$ilErr->WARNING);
                }

                $clause = ($a_id) ? " AND obj_id != '".$a_id."'" : "";

                $q = "SELECT obj_id FROM object_data ".
                         "WHERE title = '".addslashes($a_group_name)."' ".
                         "AND type = 'grp'".
                         $clause;
                $r = $ilDB->query($q);

                if ($r->numRows() == 1)
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }

}
?>