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Services/Tracking/classes/class.ilLPStatusVisits.php

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00001 <?php
00002 /*
00003         +-----------------------------------------------------------------------------+
00004         | ILIAS open source                                                           |
00005         +-----------------------------------------------------------------------------+
00006         | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
00007         |                                                                             |
00008         | This program is free software; you can redistribute it and/or               |
00009         | modify it under the terms of the GNU General Public License                 |
00010         | as published by the Free Software Foundation; either version 2              |
00011         | of the License, or (at your option) any later version.                      |
00012         |                                                                             |
00013         | This program is distributed in the hope that it will be useful,             |
00014         | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
00015         | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
00016         | GNU General Public License for more details.                                |
00017         |                                                                             |
00018         | You should have received a copy of the GNU General Public License           |
00019         | along with this program; if not, write to the Free Software                 |
00020         | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
00021         +-----------------------------------------------------------------------------+
00022 */
00023 
00033 include_once 'Services/Tracking/classes/class.ilLPStatus.php';
00034 include_once 'Services/Tracking/classes/class.ilLPObjSettings.php';
00035 include_once 'Services/Tracking/classes/class.ilLearningProgress.php';
00036 
00037 class ilLPStatusVisits extends ilLPStatus
00038 {
00039 
00040         function ilLPStatusVisits($a_obj_id)
00041         {
00042                 global $ilDB;
00043 
00044                 parent::ilLPStatus($a_obj_id);
00045                 $this->db =& $ilDB;
00046         }
00047 
00048         function _getInProgress($a_obj_id)
00049         {
00050                 global $ilDB;
00051 
00052                 $required_visits = ilLPObjSettings::_lookupVisits($a_obj_id);
00053 
00054                 $query = "SELECT DISTINCT(user_id) FROM ut_learning_progress ".
00055                         "WHERE visits < '".$required_visits."' ".
00056                         "AND obj_id = '".$a_obj_id."'";
00057 
00058                 $res = $ilDB->query($query);
00059                 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
00060                 {
00061                         $user_ids[] = $row->user_id;
00062                 }
00063                 return $user_ids ? $user_ids : array();
00064         }               
00065 
00066         function _getCompleted($a_obj_id)
00067         {
00068                 global $ilDB;
00069 
00070                 $required_visits = ilLPObjSettings::_lookupVisits($a_obj_id);
00071 
00072                 $query = "SELECT DISTINCT(user_id) FROM ut_learning_progress ".
00073                         "WHERE visits >= '".$required_visits."' ".
00074                         "AND obj_id = '".$a_obj_id."'";
00075 
00076 
00077                 $res = $ilDB->query($query);
00078                 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
00079                 {
00080                         $user_ids[] = $row->user_id;
00081                 }
00082                 return $user_ids ? $user_ids : array();
00083         }
00084                 
00085 
00086 }       
00087 ?>

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