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610 lines
16 KiB
610 lines
16 KiB
19 years ago
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<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004 Dokeos S.A.
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) Sebastien Piraux
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Copyright (c) Toon Van Hoecke
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* EVENTS LIBRARY
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*
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* This is the events library for Dokeos.
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* Include/require it in your code to use its functionality.
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* Functions of this library are used to record informations when some kind
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* of event occur. Each event has his own types of informations then each event
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* use its own function.
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*
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* @package dokeos.library
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* @todo convert queries to use Database API
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==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// REGROUP TABLE NAMES FOR MAINTENANCE PURPOSE
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$TABLETRACK_LOGIN = $statsDbName."`.`track_e_login";
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$TABLETRACK_OPEN = $statsDbName."`.`track_e_open";
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$TABLETRACK_ACCESS = $statsDbName."`.`track_e_access";
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$TABLETRACK_DOWNLOADS = $statsDbName."`.`track_e_downloads";
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$TABLETRACK_UPLOADS = $statsDbName."`.`track_e_uploads";
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$TABLETRACK_LINKS = $statsDbName."`.`track_e_links";
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$TABLETRACK_EXERCICES = $statsDbName."`.`track_e_exercices";
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$TABLETRACK_SUBSCRIPTIONS = $statsDbName."`.`track_e_subscriptions";
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$TABLETRACK_LASTACCESS = $statsDbName."`.`track_e_lastaccess"; //for "what's new" notification
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/*
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==============================================================================
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FUNCTIONS
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==============================================================================
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*/
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for open event (when homepage is opened)
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*/
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function event_open()
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{
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global $is_trackingEnabled, $_SERVER;
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// if tracking is disabled record nothing
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if (!$is_trackingEnabled)
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return 0;
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global $rootWeb;
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global $TABLETRACK_OPEN;
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// @getHostByAddr($_SERVER['REMOTE_ADDR']) : will provide host and country information
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// $_SERVER['HTTP_USER_AGENT'] : will provide browser and os information
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// $_SERVER['HTTP_REFERER'] : provide information about refering url
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$referer = $_SERVER['HTTP_REFERER'];
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// record informations only if user comes from another site
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//if(!eregi($rootWeb,$referer))
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$pos = strpos($referer, $rootWeb);
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if ($pos === false)
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{
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$remhost = @ getHostByAddr($_SERVER['REMOTE_ADDR']);
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if ($remhost == $_SERVER['REMOTE_ADDR'])
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$remhost = "Unknown"; // don't change this
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$reallyNow = time();
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$sql = "INSERT INTO `".$TABLETRACK_OPEN."`
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(`open_remote_host`,
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`open_agent`,
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`open_referer`,
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`open_date`)
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VALUES
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('".$remhost."',
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'".$_SERVER['HTTP_USER_AGENT']."', '".$referer."', FROM_UNIXTIME($reallyNow) )";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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//$mysql_query($sql);
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}
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return 1;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for login event
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* (when an user identifies himself with username & password)
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*/
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function event_login()
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{
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global $is_trackingEnabled;
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// if tracking is disabled record nothing
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if (!$is_trackingEnabled)
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return 0;
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global $_uid;
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global $TABLETRACK_LOGIN;
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$reallyNow = time();
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$sql = "INSERT INTO `".$TABLETRACK_LOGIN."`
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(`login_user_id`,
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`login_ip`,
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`login_date`)
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VALUES
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('".$_uid."',
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'".$_SERVER['REMOTE_ADDR']."',
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FROM_UNIXTIME(".$reallyNow."))";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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//$mysql_query($sql);
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//return 0;
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}
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/**
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* @param tool name of the tool (name in mainDb.accueil table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for access event for courses
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*/
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function event_access_course()
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{
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global $is_trackingEnabled;
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// if tracking is disabled record nothing
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if (!$is_trackingEnabled)
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return 0;
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global $_uid;
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global $_cid;
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global $TABLETRACK_ACCESS;
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global $TABLETRACK_LASTACCESS; //for "what's new" notification
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if(api_get_setting('use_session_mode')=='true' && isset($_SESSION['id_session']))
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{
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$id_session = intval($_SESSION['id_session']);
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}
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else
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{
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$id_session = 0;
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}
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$reallyNow = time();
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if ($_uid)
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{
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$user_id = "'".$_uid."'";
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}
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else // anonymous
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{
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$user_id = "NULL";
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}
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$sql = "INSERT INTO `".$TABLETRACK_ACCESS."`
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(`access_user_id`,
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`access_cours_code`,
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`access_date`)
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VALUES
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(".$user_id.",
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'".$_cid."',
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FROM_UNIXTIME(".$reallyNow."))";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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// added for "what's new" notification
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$sql = " UPDATE `$TABLETRACK_LASTACCESS`
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SET access_date = FROM_UNIXTIME($reallyNow)
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WHERE `access_user_id` = ".$user_id." AND `access_cours_code` = '".$_cid."' AND `access_tool` IS NULL AND `access_session_id`=".$id_session;
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$res = api_sql_query($sql,__FILE__,__LINE__);
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if (mysql_affected_rows() == 0)
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{
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$sql = " INSERT INTO `$TABLETRACK_LASTACCESS`
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(`access_user_id`,`access_cours_code`,`access_date`, access_session_id)
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VALUES
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(".$user_id.", '".$_cid."', FROM_UNIXTIME($reallyNow), ".$id_session.")";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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}
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// end "what's new" notification
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return 1;
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}
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/**
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* @param tool name of the tool (name in mainDb.accueil table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for access event for tools
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*
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* $tool can take this values :
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* Links, Calendar, Document, Announcements,
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* Group, Video, Works, Users, Exercices, Course Desc
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* ...
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* Values can be added if new modules are created (15char max)
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* I encourage to use $nameTool as $tool when calling this function
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*
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* Functionality for "what's new" notification is added by Toon Van Hoecke
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*/
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function event_access_tool($tool, $id_session=0)
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{
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global $is_trackingEnabled;
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// if tracking is disabled record nothing
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// if( ! $is_trackingEnabled ) return 0; //commented because "what's new" notification must always occur
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global $_uid;
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global $_cid;
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global $TABLETRACK_ACCESS;
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global $rootWeb;
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global $_course;
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global $TABLETRACK_LASTACCESS; //for "what's new" notification
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if(api_get_setting('use_session_mode')=='true' && isset($_SESSION['id_session']))
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{
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$id_session = intval($_SESSION['id_session']);
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}
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else
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{
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$id_session = 0;
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}
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$reallyNow = time();
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$user_id = $_uid ? "'".$_uid."'" : "NULL"; // "NULL" is anonymous
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// record information
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// only if user comes from the course $_cid
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//if( eregi($rootWeb.$_cid,$_SERVER['HTTP_REFERER'] ) )
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//$pos = strpos($_SERVER['HTTP_REFERER'],$rootWeb.$_cid);
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$pos = strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower(api_get_path(WEB_COURSE_PATH).$_course['path']));
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// added for "what's new" notification
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$pos2 = strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower($rootWeb."index"));
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// end "what's new" notification
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if ($is_trackingEnabled && ($pos !== false || $pos2 !== false))
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{
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$sql = "INSERT INTO `".$TABLETRACK_ACCESS."`
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(`access_user_id`,
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`access_cours_code`,
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`access_tool`,
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`access_date`)
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VALUES
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(".$user_id.",".// Don't add ' ' around value, it's already done.
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"'".$_cid."' ,
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'".htmlspecialchars($tool, ENT_QUOTES)."',
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FROM_UNIXTIME(".$reallyNow."))";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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}
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// "what's new" notification
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$sql = " UPDATE `$TABLETRACK_LASTACCESS`
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SET access_date = FROM_UNIXTIME($reallyNow)
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WHERE `access_user_id` = ".$user_id." AND `access_cours_code` = '".$_cid."' AND `access_tool` = '".htmlspecialchars($tool, ENT_QUOTES)."' AND `access_session_id`=".$id_session;
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$res = api_sql_query($sql,__FILE__,__LINE__);
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if (mysql_affected_rows() == 0)
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{
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$sql = "INSERT INTO `$TABLETRACK_LASTACCESS`
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(`access_user_id`,`access_cours_code`,`access_tool`, `access_date`, `access_session_id`)
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VALUES
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(".$user_id.", '".$_cid."' , '".htmlspecialchars($tool, ENT_QUOTES)."', FROM_UNIXTIME($reallyNow), $id_session)";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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}
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return 1;
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}
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/**
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* @param doc_id id of document (id in mainDb.document table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for download event
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* (when an user click to d/l a document)
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* it will be used in a redirection page
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* bug fixed: Roan Embrechts
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* Roan:
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* The user id is put in single quotes,
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* (why? perhaps to prevent sql insertion hacks?)
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* and later again.
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* Doing this twice causes an error, I remove one of them.
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*/
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function event_download($doc_url)
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{
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global $is_trackingEnabled;
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// if tracking is disabled record nothing
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if (!$is_trackingEnabled)
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return 0;
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global $_uid;
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global $_cid;
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global $TABLETRACK_DOWNLOADS;
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$reallyNow = time();
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if ($_uid)
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{
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$user_id = "'".$_uid."'";
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}
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else // anonymous
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{
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$user_id = "NULL";
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}
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$sql = "INSERT INTO `".$TABLETRACK_DOWNLOADS."`
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(
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`down_user_id`,
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`down_cours_id`,
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`down_doc_path`,
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`down_date`
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)
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VALUES
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(
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".$user_id.",
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'".$_cid."',
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'".htmlspecialchars($doc_url, ENT_QUOTES)."',
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FROM_UNIXTIME(".$reallyNow.")
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)";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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//$mysql_query($sql);
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return 1;
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}
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/**
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* @param doc_id id of document (id in mainDb.document table)
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||
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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||
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* @desc Record information for upload event
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||
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* used in the works tool to record informations when
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* an user upload 1 work
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*/
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||
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function event_upload($doc_id)
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{
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global $is_trackingEnabled;
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// if tracking is disabled record nothing
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||
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if (!$is_trackingEnabled)
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return 0;
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global $_uid;
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global $_cid;
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global $TABLETRACK_UPLOADS;
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$reallyNow = time();
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if ($_uid)
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{
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$user_id = "'".$_uid."'";
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}
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else // anonymous
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{
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$user_id = "NULL";
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}
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$sql = "INSERT INTO `".$TABLETRACK_UPLOADS."`
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||
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(
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`upload_user_id`,
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`upload_cours_id`,
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`upload_work_id`,
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`upload_date`
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||
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)
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||
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VALUES
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(
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".$user_id.",
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'".$_cid."',
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||
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'".$doc_id."',
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FROM_UNIXTIME(".$reallyNow.")
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)";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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||
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//$mysql_query($sql);
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return 1;
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}
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||
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|
/**
|
||
|
|
* @param link_id (id in coursDb liens table)
|
||
|
|
* @author Sebastien Piraux <piraux_seb@hotmail.com>
|
||
|
|
* @desc Record information for link event (when an user click on an added link)
|
||
|
|
* it will be used in a redirection page
|
||
|
|
*/
|
||
|
|
function event_link($link_id)
|
||
|
|
{
|
||
|
|
global $is_trackingEnabled;
|
||
|
|
// if tracking is disabled record nothing
|
||
|
|
if (!$is_trackingEnabled)
|
||
|
|
return 0;
|
||
|
|
global $_uid;
|
||
|
|
global $_cid;
|
||
|
|
global $TABLETRACK_LINKS;
|
||
|
|
$reallyNow = time();
|
||
|
|
if ($_uid)
|
||
|
|
{
|
||
|
|
$user_id = "'".$_uid."'";
|
||
|
|
}
|
||
|
|
else // anonymous
|
||
|
|
{
|
||
|
|
$user_id = "NULL";
|
||
|
|
}
|
||
|
|
$sql = "INSERT INTO `".$TABLETRACK_LINKS."`
|
||
|
|
(
|
||
|
|
`links_user_id`,
|
||
|
|
`links_cours_id`,
|
||
|
|
`links_link_id`,
|
||
|
|
`links_date`
|
||
|
|
)
|
||
|
|
|
||
|
|
VALUES
|
||
|
|
(
|
||
|
|
".$user_id.",
|
||
|
|
'".$_cid."',
|
||
|
|
'".$link_id."',
|
||
|
|
FROM_UNIXTIME(".$reallyNow.")
|
||
|
|
)";
|
||
|
|
$res = api_sql_query($sql,__FILE__,__LINE__);
|
||
|
|
//$mysql_query($sql);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param exo_id ( id in courseDb exercices table )
|
||
|
|
* @param result ( score @ exercice )
|
||
|
|
* @param weighting ( higher score )
|
||
|
|
* @author Sebastien Piraux <piraux_seb@hotmail.com>
|
||
|
|
* @desc Record result of user when an exercice was done
|
||
|
|
*/
|
||
|
|
function event_exercice($exo_id, $score, $weighting)
|
||
|
|
{
|
||
|
|
global $is_trackingEnabled;
|
||
|
|
// if tracking is disabled record nothing
|
||
|
|
if (!$is_trackingEnabled)
|
||
|
|
return 0;
|
||
|
|
global $_uid;
|
||
|
|
global $_cid;
|
||
|
|
global $TABLETRACK_EXERCICES;
|
||
|
|
global $origin, $learnpath_id, $learnpath_item_id;
|
||
|
|
$reallyNow = time();
|
||
|
|
if ($_uid)
|
||
|
|
{
|
||
|
|
$user_id = "'".$_uid."'";
|
||
|
|
}
|
||
|
|
else // anonymous
|
||
|
|
{
|
||
|
|
$user_id = "NULL";
|
||
|
|
}
|
||
|
|
$sql = "INSERT INTO `".$TABLETRACK_EXERCICES."`
|
||
|
|
(
|
||
|
|
`exe_user_id`,
|
||
|
|
`exe_cours_id`,
|
||
|
|
`exe_exo_id`,
|
||
|
|
`exe_result`,
|
||
|
|
`exe_weighting`,
|
||
|
|
`exe_date`
|
||
|
|
)
|
||
|
|
|
||
|
|
VALUES
|
||
|
|
(
|
||
|
|
".$user_id.",
|
||
|
|
'".$_cid."',
|
||
|
|
'".$exo_id."',
|
||
|
|
'".$score."',
|
||
|
|
'".$weighting."',
|
||
|
|
FROM_UNIXTIME(".$reallyNow.")
|
||
|
|
)";
|
||
|
|
$tbl_learnpath_user = Database::get_course_table(LEARNPATH_USER_TABLE);
|
||
|
|
if ($origin == 'learnpath')
|
||
|
|
{
|
||
|
|
if ($user_id == "NULL")
|
||
|
|
{
|
||
|
|
$user_id = '0';
|
||
|
|
}
|
||
|
|
$sql2 = "update $tbl_learnpath_user set score='$score' where (user_id=$user_id and learnpath_id='$learnpath_id' and learnpath_item_id='$learnpath_item_id')";
|
||
|
|
$res2 = api_sql_query($sql2,__FILE__,__LINE__);
|
||
|
|
}
|
||
|
|
$res = api_sql_query($sql,__FILE__,__LINE__);
|
||
|
|
//$mysql_query($sql);
|
||
|
|
//return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param cours_code (cours.code in maindb))
|
||
|
|
* @param action ( enum of strings : "sub" or "unsub" )
|
||
|
|
* @author Sebastien Piraux <piraux_seb@hotmail.com>
|
||
|
|
* @desc Record information for subscription and unsubscription to courses
|
||
|
|
* @deprecated Function not in use
|
||
|
|
*/
|
||
|
|
function event_subscription($cours_id, $action)
|
||
|
|
{
|
||
|
|
global $is_trackingEnabled;
|
||
|
|
// if tracking is disabled record nothing
|
||
|
|
if (!$is_trackingEnabled)
|
||
|
|
return 0;
|
||
|
|
global $_uid;
|
||
|
|
global $TABLETRACK_SUBSCRIPTIONS;
|
||
|
|
$sql = "INSERT INTO `$TABLETRACK_SUBSCRIPTIONS`
|
||
|
|
(`sub_user_id`,
|
||
|
|
`sub_cours_id`,
|
||
|
|
`sub_action`)
|
||
|
|
VALUES
|
||
|
|
('".$_uid."',
|
||
|
|
'".$cours_id."',
|
||
|
|
'".$action."')";
|
||
|
|
$res = api_sql_query($sql,__FILE__,__LINE__);
|
||
|
|
//$mysql_query($sql);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param type_event type of event to record
|
||
|
|
* @param values indexed array of values (keys are the type of values, values are the event_values)
|
||
|
|
* @author Sebastien Piraux <piraux_seb@hotmail.com>
|
||
|
|
* @desc Standard function for all users who wants to add an event recording in their pages
|
||
|
|
* e.g. : event_default("Exercice Result",array ("ex_id"=>"1", "result"=> "5", "weighting" => "20"));
|
||
|
|
* @deprecated Function not in use
|
||
|
|
*/
|
||
|
|
function event_default($type_event, $values)
|
||
|
|
{
|
||
|
|
global $is_trackingEnabled;
|
||
|
|
// if tracking is disabled record nothing
|
||
|
|
if (!$is_trackingEnabled)
|
||
|
|
return 0;
|
||
|
|
global $_uid;
|
||
|
|
global $_cid;
|
||
|
|
global $TABLETRACK_DEFAULT;
|
||
|
|
$reallyNow = time();
|
||
|
|
if ($_uid)
|
||
|
|
{
|
||
|
|
$user_id = "'".$_uid."'";
|
||
|
|
}
|
||
|
|
else // anonymous
|
||
|
|
{
|
||
|
|
$user_id = "NULL";
|
||
|
|
}
|
||
|
|
if ($_uid)
|
||
|
|
{
|
||
|
|
$cours_id = "'".$_cid."'";
|
||
|
|
}
|
||
|
|
else // anonymous
|
||
|
|
{
|
||
|
|
$cours_id = "NULL";
|
||
|
|
}
|
||
|
|
$sqlValues = "";
|
||
|
|
foreach ($values as $type_value => $event_value)
|
||
|
|
{
|
||
|
|
if ($sqlValues == "")
|
||
|
|
{
|
||
|
|
$sqlValues .= "('','$user_id','$cours_id','$reallyNow','$type_event','$type_value','$event_value')";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$sqlValues .= ",('','$user_id','$cours_id','$reallyNow','$type_event','$type_value','$event_value')";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$sql = "INSERT INTO `".$TABLETRACK_DEFAULT."`
|
||
|
|
VALUES ".$sqlValues;
|
||
|
|
$res = api_sql_query($sql,__FILE__,__LINE__);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function exercise_attempt($score,$answer,$quesId,$exeId,$j)
|
||
|
|
{
|
||
|
|
global $is_trackingEnabled;
|
||
|
|
// if tracking is disabled record nothing
|
||
|
|
if (!$is_trackingEnabled)
|
||
|
|
return 0;
|
||
|
|
global $_uid;
|
||
|
|
global $_cid;
|
||
|
|
global $TABLETRACK_ATTEMPT;
|
||
|
|
global $origin, $learnpath_id, $learnpath_item_id;
|
||
|
|
$reallyNow = time();
|
||
|
|
if ($_uid)
|
||
|
|
{
|
||
|
|
$user_id = "'".$_uid."'";
|
||
|
|
}
|
||
|
|
else // anonymous
|
||
|
|
{
|
||
|
|
$user_id = "NULL";
|
||
|
|
}
|
||
|
|
$sql = "INSERT INTO `".$TABLETRACK_ATTEMPT."`
|
||
|
|
(`exe_id`,
|
||
|
|
`user_id`,
|
||
|
|
`question_id`,
|
||
|
|
`answer`,
|
||
|
|
`marks`,
|
||
|
|
`course_code`,
|
||
|
|
`position`
|
||
|
|
|
||
|
|
)
|
||
|
|
|
||
|
|
VALUES
|
||
|
|
(
|
||
|
|
".$exeId.",
|
||
|
|
".$user_id.",
|
||
|
|
'".$quesId."',
|
||
|
|
'".addslashes($answer)."',
|
||
|
|
'".$score."',
|
||
|
|
'".$_cid."',
|
||
|
|
'".$j."'
|
||
|
|
|
||
|
|
)";
|
||
|
|
$tbl_learnpath_user = Database::get_course_table(LEARNPATH_USER_TABLE);
|
||
|
|
if ($origin == 'learnpath')
|
||
|
|
{
|
||
|
|
if ($user_id == "NULL")
|
||
|
|
{
|
||
|
|
$user_id = '0';
|
||
|
|
}
|
||
|
|
$sql2 = "update $tbl_learnpath_user set score='$score' where (user_id=$user_id and learnpath_id='$learnpath_id' and learnpath_item_id='$learnpath_item_id')";
|
||
|
|
$res2 = api_sql_query($sql2,__FILE__,__LINE__);
|
||
|
|
}
|
||
|
|
//$res = api_sql_query($sql,__FILE__,__LINE__);
|
||
|
|
$res = mysql_query($sql) or die(mysql_error());
|
||
|
|
//return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
?>
|