classes/class.ilLinkCheckNotify.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 ilLinkCheckNotify
{
        var $db = null;


        function ilLinkCheckNotify(&$db)
        {
                $this->db =& $db;
        }
        
        function setUserId($a_usr_id)
        {
                $this->usr_id = $a_usr_id;
        }
        function getUserId()
        {
                return $this->usr_id;
        }
        function setObjId($a_obj_id)
        {
                $this->obj_id = $a_obj_id;
        }
        function getObjId()
        {
                return $this->obj_id;
        }

        function addNotifier()
        {
                $this->deleteNotifier();

                $query = "INSERT INTO link_check_report ".
                        "SET obj_id = '".$this->getObjId()."', ".
                        "usr_id = '".$this->getUserId()."'";

                $this->db->query($query);

                return true;
        }

        function deleteNotifier()
        {
                $query = "DELETE FROM link_check_report ".
                        "WHERE obj_id = '".$this->getObjId()."' ".
                        "AND usr_id = '".$this->getUserId()."'";

                $this->db->query($query);

                return true;
        }

        /* Static */
        function _getNotifyStatus($a_usr_id,$a_obj_id)
        {
                global $ilDB;

                $query = "SELECT * FROM link_check_report ".
                        "WHERE obj_id = '".$a_obj_id."' ".
                        "AND usr_id = '".$a_usr_id."'";

                $res = $ilDB->query($query);

                return $res->numRows() ? true : false;
        }

        function _deleteUser($a_usr_id)
        {
                global $ilDB;

                $query = "DELETE FROM link_check_report ".
                        "WHERE usr_id = '".$a_usr_id."'";

                $ilDB->query($query);

                return true;
        }

        function _deleteObject($a_obj_id)
        {
                global $ilDB;

                $query = "DELETE FROM link_check_report ".
                        "WHERE obj_id = '".$a_obj_id."'";

                $ilDB->query($query);

                return true;
        }

        function _getNotifiers($a_obj_id)
        {
                global $ilDB;

                $query = "SELECT * FROM link_check_report ".
                        "WHERE obj_id = '".$a_obj_id."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $usr_ids[] = $row->usr_id;
                }

                return $usr_ids ? $usr_ids : array();
        }

        function _getAllNotifiers(&$db)
        {

                $query = "SELECT * FROM link_check_report ";

                $res = $db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $usr_ids[$row->usr_id][] = $row->obj_id;
                }

                return $usr_ids ? $usr_ids : array();
        }                       
}
?>