class.ilTimingPlaned.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 ilTimingPlaned
{
        var $ilErr;
        var $ilDB;
        var $lng;

        function ilTimingPlaned($item_id,$a_usr_id)
        {
                global $ilErr,$ilDB,$lng,$tree;

                $this->ilErr =& $ilErr;
                $this->db  =& $ilDB;
                $this->lng =& $lng;

                $this->item_id = $item_id;
                $this->user_id = $a_usr_id;

                $this->__read();
        }
        
        function getUserId()
        {
                return $this->user_id;
        }
        function getItemId()
        {
                return $this->item_id;
        }

        function getPlanedStartingTime()
        {
                return $this->start;
        }
        function setPlanedStartingTime($a_time)
        {
                $this->start = $a_time;
        }
        function getPlanedEndingTime()
        {
                return $this->end;
        }
        function setPlanedEndingTime($a_end)
        {
                $this->end = $a_end;
        }

        function validate()
        {
                include_once 'Modules/Course/classes/class.ilCourseItems.php';
                $item_data = ilCourseItems::_getItem($this->getItemId());

                if($this->getPlanedEndingTime() > $item_data['latest_end'])
                {
                        return false;
                }
                return true;
        }

        function update()
        {
                ilTimingPlaned::_delete($this->getItemId(),$this->getUserId());
                $this->create();
                return true;
        }

        function create()
        {
                global $ilDB;
                
                $query = "INSERT INTO crs_timings_planed ".
                        "SET item_id = ".$ilDB->quote($this->getItemId()).", ".
                        "usr_id = ".$ilDB->quote($this->getUserId()).", ".
                        "planed_start = ".$ilDB->quote($this->getPlanedStartingTime()).", ".
                        "planed_end = ".$ilDB->quote($this->getPlanedEndingTime())." ";
                $this->db->query($query);
        }

        function delete()
        {
                return ilTimingPlaned::_delete($this->getItemId(),$this->getUserId());
        }

        function _delete($a_item_id,$a_usr_id)
        {
                global $ilDB;

                $query = "DELETE FROM crs_timings_planed ".
                        "WHERE item_id = ".$ilDB->quote($a_item_id)." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id)." ";
                $ilDB->query($query);
        }

        // Static
        function _getPlanedTimings($a_usr_id,$a_item_id)
        {
                global $ilDB;

                $query = "SELECT * FROM crs_timings_planed ".
                        "WHERE item_id = ".$ilDB->quote($a_item_id)." ".
                        "AND usr_id = ".$a_usr_id." ";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $data['planed_start'] = $row->planed_start;
                        $data['planed_end'] = $row->planed_end;
                }
                return $data ? $data : array();
        }


        function _getPlanedTimingsByItem($a_item_id)
        {
                global $ilDB;

                $query = "SELECT * FROM crs_timings_planed ".
                        "WHERE item_id = ".$ilDB->quote($a_item_id)." ";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $data[$row->usr_id]['start'] = $row->planed_start;
                        $data[$row->usr_id]['end']   = $row->planed_end;
                }
                return $data ? $data : array();
        }

        function _deleteByItem($a_item_id)
        {
                global $ilDB;

                $query = "DELETE FROM crs_timings_planed ".
                        "WHERE item_id = ".$ilDB->quote($a_item_id)." ";
                $ilDB->query($query);
        }

        function _deleteByUser($a_usr_id)
        {
                global $ilDB;

                $query = "DELETE FROM crs_timings_planed ".
                        "WHERE usr_id = ".$ilDB->quote($a_usr_id)." ";
                $ilDB->query($query);
        }

        function __read()
        {
                global $ilDB;
                
                $query = "SELECT * FROM crs_timings_planed ".
                        "WHERE item_id = ".$ilDB->quote($this->getItemId())." ".
                        "AND usr_id = ".$ilDB->quote($this->getUserId())." ";
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->setPlanedStartingTime($row->planed_start);
                        $this->setPlanedEndingTime($row->planed_end);
                }
                return true;
        }               
}
?>