Services/Tracking/classes/class.ilTracking.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 ilTracking {

        var $objId;
        var $userId;
        var $actionType;
        var $phpScript;
        var $clientIp;
        var $accObjType;
        var $accObjId;
        var $accSubType;
        var $accSubId;
        var $lanugage;
        var $browser;
        var $sessionId;
        var $acc_time;

        var $db;
        
        function ilTracking()
        {
                global $ilias,$tpl,$lng,$ilDB;

                $this->ilias    =& $ilias;
                $this->tpl              =& $tpl;
                $this->lng              =& $lng;
                $this->db = $ilDB;

        }

        function _getLastAccess()
        {
                global $ilUser, $ilDB;

                $q = "SELECT * from ut_access "
                ." WHERE "
                ." user_id = ".$ilDB->quote($ilUser->getId())
                ." order by acc_time desc limit 1 ";
                $res = $ilDB->query($q);
                return $res->fetchRow(DB_FETCHMODE_ASSOC);
        }
        
        function _hasEntry($a_obj_id, $a_obj_type,$a_sub_id = 0, $a_sub_type = "")
        {
                global $ilDB;
                
                // We query for the session_id since it is more unique than the user_id. 
                
                $query = "SELECT COUNT(id) as num_entries FROM ut_access ".
                        "WHERE session_id = ".$ilDB->quote(session_id())." ".
                        "AND acc_obj_id = ".$ilDB->quote($a_obj_id)." ".
                        "AND acc_sub_id = ".$ilDB->quote($a_sub_id);
                $res = $ilDB->query($query);
                $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
                
                return $row->num_entries ? true : false;
        }

        function _trackAccess($a_obj_id, $a_obj_type,$a_sub_id = 0, $a_sub_type = "", $a_action_type = "read")
        {
                global $ilUser, $ilDB;


                include_once("Services/Tracking/classes/class.ilObjUserTracking.php");
                if(!ilObjUserTracking::_enabledTracking() and !ilObjUserTracking::_enabledLearningProgress())
                {
                        return false;
                }

                include_once 'Services/Tracking/classes/class.ilLearningProgress.php';
                ilLearningProgress::_tracProgress($ilUser->getId(),$a_obj_id,$a_obj_type);

                if (ilObjUserTracking::_enabledUserRelatedData())
                {
                        $user_id = $ilUser->getId();
                }
                else
                {
                        $user_id = 0;
                }

                $client_ip = getenv("REMOTE_ADDR");
                $script = substr($_SERVER["SCRIPT_FILENAME"], strlen(IL_ABSOLUTE_PATH) - 1,
                        strlen($_SERVER["SCRIPT_FILENAME"]) - strlen(IL_ABSOLUTE_PATH) + 1);
                $language = $ilUser->getLanguage();
                $session_id = session_id();

                #$last_access = ilTracking::_getLastAccess();

                if(ilTracking::_hasEntry($a_obj_id, $a_obj_type,$a_sub_id, $a_sub_type))
                {
                        return true;
                }
                $q = "INSERT INTO ut_access ("
                        ."user_id, action_type, php_script, client_ip,"
                        ."acc_obj_type, acc_obj_id, acc_sub_type, acc_sub_id,"
                        ."language, browser, session_id, acc_time"
                        .") VALUES ("
                        .$ilDB->quote($user_id).","
                        .$ilDB->quote($a_action_type).","
                        .$ilDB->quote($script).","
                        .$ilDB->quote($client_ip).","
                        .$ilDB->quote($a_obj_type).","
                        .$ilDB->quote($a_obj_id).","
                        .$ilDB->quote($a_sub_type).","
                        .$ilDB->quote($a_sub_id).","
                        .$ilDB->quote($language).","
                        .$ilDB->quote($_SERVER["HTTP_USER_AGENT"]).","
                        .$ilDB->quote($session_id).", now()"
                        .")";
           $ilDB->query($q);
                
                /*
                if(($session_id == $last_access["session_id"]) &&
                        ($a_obj_id == $last_access["acc_obj_id"]) &&
                        ($a_obj_type == $last_access["acc_obj_type"]) &&
                        ($a_sub_id == $last_access["acc_sub_id"]) &&
                        ($a_sub_type == $last_access["acc_sub_type"])
                        )
                {
                        return true;
                }
                else
                {
                        $q = "INSERT INTO ut_access ("
                                ."user_id, action_type, php_script, client_ip,"
                                ."acc_obj_type, acc_obj_id, acc_sub_type, acc_sub_id,"
                                ."language, browser, session_id, acc_time"
                                .") VALUES ("
                                .$ilDB->quote($user_id).","
                                .$ilDB->quote($a_action_type).","
                                .$ilDB->quote($script).","
                                .$ilDB->quote($client_ip).","
                                .$ilDB->quote($a_obj_type).","
                                .$ilDB->quote($a_obj_id).","
                                .$ilDB->quote($a_sub_type).","
                                .$ilDB->quote($a_sub_id).","
                                .$ilDB->quote($language).","
                                .$ilDB->quote($_SERVER["HTTP_USER_AGENT"]).","
                                .$ilDB->quote($session_id).", now()"
                                .")";
                   $ilDB->query($q);
                }
                */
        }
        function TestTitle($user_id)
        {
                $q = " SELECT title from object_data "
                        ." WHERE type = 'tst'"
                        ." AND owner = ".$user_id;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }

        /*
        function searchTitle($user_id)
        {
                $q = " SELECT title from object_data "
                        ." WHERE type = 'lm '"
                        ." AND owner = ".$user_id;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }*/


        function numDay($from,$to)
        {
                $from = strtotime($from);
                $to = strtotime($to);
                $dayf = date ("d",$from);
                $dayt = date ("d",$to);
                $yearf = date ("Y",$from); 
                $yeart = date ("Y",$to); 
                $montht = date ("m",$to); 
                $monthf = date ("m",$from); 
                $ret = ( mktime(0,0,0,$montht,$dayt,$yeart) - mktime(0,0,0,$monthf,$dayf,$yearf))/(3600*24); 
                return $ret; 
        }
        function numHour($from,$to)
        {
                $from = strtotime($from);
                $to = strtotime($to);
                $dayf = date ("d",$from); 
                $dayt = date ("d",$to);
                $yearf = date ("Y",$from); 
                $yeart = date ("Y",$to); 
                $montht = date ("m",$to); 
                $monthf = date ("m",$from); 
                $hourt = date ("h",$to);
                $hourf = date ("h",$from);
                $ret = (mktime($hourt,0,0,$montht,$dayt,$yeart)-mktime($hourf,0,0,$monthf,$dayf,$yearf))/3600; 
                $ret = strftime($ret);
                return $ret; 
        }
        function addHour($time)
        {
                $time = strtotime($time);
                $day = date("d",$time);
                $month = date("m",$time);
                $year = date("Y",$time);
                $hour = date("H",$time);
                $min = date("i",$time);
                $sec = date("s",$time);
                $hour = $hour+1;
                $ret = date("H:i:s", mktime($hour,$min,$sec,$month,$day,$year));
                return $ret;
        }
        function addDay($time)
        {
                $time = strtotime($time);
                $day = date("d",$time);
                $month = date("m",$time);
                $year = date("y",$time);
                $min = date("i",$time);
                $hour = date("h",$time);
                $sec = date("s",$time);
                $day = $day + 1;
                $ret = date ("Y-m-d", mktime($hour,$min,$sec,$month,$day,$year));
                return $ret;
        }

        function getSubId($id)
        {
                $q = "SELECT obj_id from object_data "
                ." WHERE type = 'lm' and "
                ." owner = ".$id;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function getSubTest($id)
        {
                $q = "SELECT obj_id from object_data "
                ." WHERE type = 'tst' and "
                ." owner = ".$id;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function getTestId($id)
        {
                $q = "select obj_id from object_data "
                ." where type = 'tst' and "
                ." owner = ".$id;
                $res = $this->ilias->db->query($q);
                for ($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function countResults($condition)
        {
                $q = "SELECT count(*) from ut_access "
                ." WHERE "
                .$condition;
                $res = $this->ilias->db->query($q);
                $result = $res->fetchRow();
                return $result[0];
        }
        function searchResults($condition)
        {
                $q = "SELECT a.login,b.acc_obj_type,b.language,b.client_ip,b.acc_time "
                        ." FROM usr_data as a,ut_access as b "
                        ." WHERE a.usr_id=b.user_id "
                        ." AND ".$condition;
//echo $q;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function searchTestResults($condition)
        {
                $q = "SELECT a.login,b.acc_obj_type,b.client_ip,b.acc_time "
                        ." FROM usr_data as a,ut_access as b "
                        ." WHERE a.usr_id=b.user_id "
                        ." AND ".$condition;
//echo $q;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function searchUserId($condition)
        {
                $q = "SELECT user_id from ut_access where ".$condition;
//echo $q;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function searchTestId($condition)
        {
                $q = "select user_fi from tst_active where ".$condition;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
        function getPerTestId($test)
        {
                $q = "select obj_id from object_data where type = 'tst' and title = '".$test."'";
                $res = $this->ilias->db->query($q);
                $result = $res->fetchRow();
                return $result[0];
        }
        function countNum($from,$from1,$condition)
        {
                $q = "SELECT count(*) from ut_access "
                        ." WHERE (acc_time > '".$from
                        ."' AND acc_time <='".$from1."')"
                        ." AND ".$condition;
                        //echo $condition;echo "<br>";
//echo $q;
                $res = $this->ilias->db->query($q);
                $result = $res->fetchRow();
                return $result[0];
        }
        function selectTime($from,$to,$condition)
        {
                $q = "SELECT acc_time from ut_access "
                        ." WHERE (acc_time >= '".$from
                        ."' AND acc_time <='".$to."')"
                        ." AND ".$condition;
//echo $q;
//echo "<br>";
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }

        function getTest($id)
        {
                $q = "SELECT title from object_data "
                ." WHERE "
                ." type = 'tst' "
                ." and "
                ." owner = ".$id;
                $res = $this->ilias->db->query($q);
                for($i=0;$i<$res->numRows();$i++)
                {
                        $result[$i]=$res->fetchRow();
                }
                return $result;
        }
}
?>