<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2006 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Author: Frederic Vauthier (frederic.vauthier@dokeos.com)
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
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.
See the GNU General Public License for more details.
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* @author Thomas Depraetere
* @author Hugues Peeters
* @author Christophe Gesche
* @author Sebastien Piraux
* @author Toon Keppens (Vi-Host.net)
*
* @package dokeos.tracking
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
$pathopen = isset($_REQUEST['pathopen']) ? $_REQUEST['pathopen'] : null;
// name of the language file that needs to be included
$language_file = "tracking";
include('../inc/global.inc.php');
//includes for SCORM and LP
require_once('../newscorm/learnpath.class.php');
require_once('../newscorm/learnpathItem.class.php');
require_once('../newscorm/scorm.class.php');
require_once('../newscorm/scormItem.class.php');
// charset determination
if ($_GET['scormcontopen'])
{
$tbl_lp = Database::get_course_table('lp');
$contopen = (int) $_GET['scormcontopen'];
$sql = "SELECT default_encoding FROM $tbl_lp WHERE id = ".$contopen;
$res = api_sql_query($sql,__FILE__,__LINE__);
$row = Database::fetch_array($res);
$lp_charset = $row['default_encoding'];
//header('Content-Type: text/html; charset='. $row['default_encoding']);
}
/*
-----------------------------------------------------------
Constants and variables
-----------------------------------------------------------
*/
// regroup table names for maintenance purpose
$TABLETRACK_ACCESS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$TABLETRACK_LINKS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LINKS);
$TABLETRACK_DOWNLOADS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$TABLETRACK_ACCESS_2 = Database::get_statistic_table("track_e_access");
$TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$TABLECOURSE = Database::get_main_table(TABLE_MAIN_COURSE);
$TABLECOURSE_LINKS = Database::get_course_table(TABLE_LINK);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
//$table_scormdata = Database::get_scorm_table(TABLE_SCORM_SCO_DATA);
//$table_scormmain = Database::get_scorm_table(TABLE_SCORM_MAIN);
//$tbl_learnpath_main = Database::get_course_table(TABLE_LEARNPATH_MAIN);
//$tbl_learnpath_item = Database::get_course_table(TABLE_LEARNPATH_ITEM);
//$tbl_learnpath_chapter = Database::get_course_table(TABLE_LEARNPATH_CHAPTER);
$tbl_learnpath_main = Database::get_course_table('lp');
$tbl_learnpath_item = Database::get_course_table('lp_item');
$tbl_learnpath_view = Database::get_course_table('lp_view');
$tbl_learnpath_item_view = Database::get_course_table('lp_item_view');
$view = $_REQUEST['view'];
if($view=="0000001") $nameTools=get_lang('SynthesisView');
if($view=="1000000") $nameTools=get_lang('CourseStats');
if($view=="0100000") $nameTools=get_lang('CourseAccess');
if($view=="0010000") $nameTools=get_lang('ToolsAccess');
if($view=="0001000") $nameTools=get_lang('LinksAccess');
if($view=="0000100") $nameTools=get_lang('DocumentsAccess');
if($view=="00000010") $nameTools=get_lang('ScormAccess');
$interbreadcrumb[] = array ("url" => api_get_self()."?view=0000000", "name" => get_lang('ToolName'));
include(api_get_path(LIBRARY_PATH)."statsUtils.lib.inc.php");
include("../resourcelinker/resourcelinker.inc.php");
$is_allowedToTrack = $is_courseAdmin || $is_platformAdmin;
/*
==============================================================================
MAIN CODE
==============================================================================
*/
$title[0]=get_lang('StatsOfCourse')." : ".$_course['official_code'];
// check if uid is prof of this group
if($is_allowedToTrack & & $_configuration['tracking_enabled'])
{
// show all : view must be equal to the sum of all view values (1024+512+...+64)
// show none : less than the tiniest value
/*echo "< div >
[< a href = '".api_get_self()."?view=1111111' > ".get_lang('ShowAll')."< / a > ]
[< a href = '".api_get_self()."?view=0000000' > ".get_lang('ShowNone')."< / a > ]
< / div > < br >
";*/
if(!isset($view)) $view ="0000000";
/***************************************************************************
*
* Reporting
*
***************************************************************************/
$tempView = $view;
if($view[6] == '1'){
$tempView[6] = '0';
//--------------------------------BEGIN users in this course
$sql = "SELECT $TABLECOURSUSER.`user_id`, $table_user.`lastname`, $table_user.`firstname`
FROM $TABLECOURSUSER, $table_user
WHERE $TABLECOURSUSER.course_code = '".$_cid."' AND $TABLECOURSUSER.`user_id` = $table_user.`user_id`
ORDER BY $table_user.`lastname`";
$results = getManyResults3Col($sql);
//BUGFIX: get visual code instead of real course code. Scormpaths use the visual code... (should be fixed in future versions)
$sql = "SELECT visual_code FROM $TABLECOURSE WHERE code = '".$_cid."'";
$_course['visual_code'] = getOneResult($sql);
if (is_array($results))
{
$line='';
$title_line = get_lang('Name').";".get_lang('FirstAccess').";".get_lang('LastAccess').";".get_lang('Visited')."\n";
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
//--------------------------------BEGIN % visited
// sum of all items (= multiple learningpaths + SCORM imported paths)
$sql = "SELECT COUNT(DISTINCT(iv.lp_item_id)) " .
"FROM $tbl_learnpath_item_view iv " .
"INNER JOIN $tbl_learnpath_view v ON iv.lp_view_id = v.id " .
"WHERE v.user_id = ".$results[$j][0];
$total_lpath_items = getOneResult($sql);
// sum of all completed items (= multiple learningpaths + SCORM imported paths)
$sql = "SELECT COUNT(DISTINCT(iv.lp_item_id)) " .
"FROM $tbl_learnpath_item_view iv " .
"INNER JOIN $tbl_learnpath_view v ON iv.lp_view_id = v.id " .
"WHERE v.user_id = ".$results[$j][0]." " .
"AND (status = 'completed' OR status='passed')";
$total_lpath_items_completed = getOneResult($sql);
// calculation & bgcolor setting
$lpath_pct_completed = empty($total_lpath_items) ? "-" : round(($total_lpath_items_completed / $total_lpath_items) * 100);
//--------------------------------END % visited
//--------------------------------BEGIN first/last access
// first access
$sql = "SELECT access_date FROM $TABLETRACK_ACCESS_2 WHERE `access_user_id` = '".$results[$j][0]."' AND `access_cours_code` = '".$_course['official_code']."' AND `access_tool` = 'learnpath' ORDER BY access_id ASC LIMIT 1";
$first_access = getOneResult($sql);
$first_access = empty($first_access) ? "-" : date('d.m.y',strtotime($first_access));
// last access
$sql = "SELECT access_date FROM $TABLETRACK_ACCESS WHERE `access_user_id` = '".$results[$j][0]."' AND `access_cours_code` = '".$_course['official_code']."' AND `access_tool` = 'learnpath'";
$last_access = getOneResult($sql);
$last_access = empty($last_access) ? "-" : date('d.m.y',strtotime($last_access));
//--------------------------------END first/last access
//--------------------------------BEGIN presentation of data
$line .= $results[$j][1]." ".$results[$j][2].";".$first_access.";".$last_access.";".$lpath_pct_completed."\n";
//--------------------------------END presentation of data
}
}
else
{
$line = get_lang('NoResult')."\n";
}
}
/***************************************************************************
*
* Main
*
***************************************************************************/
$tempView = $view;
if($view[0] == '1')
{
$title[1]= $nameTools;
$tempView[0] = '0';
$sql = "SELECT count(*)
FROM $TABLECOURSUSER
WHERE course_code = '".$_cid."'";
$count = getOneResult($sql);
$title_line = get_lang('CountUsers')." ; ".$count."\n";
}
/***************************************************************************
*
* Access to this course
*
***************************************************************************/
$tempView = $view;
if($view[1] == '1'){
$tempView[1] = '0';
$title[1]=get_lang('ConnectionsToThisCourse');
$title_line = '';
$line = '';
//Total
$sql = "SELECT count(*)
FROM $TABLETRACK_ACCESS
WHERE access_cours_code = '".$_cid."'
AND access_tool IS NULL";
$count = getOneResult($sql);
$line .= get_lang('CountToolAccess')." ; ".$count."\n";
// last 31 days
$sql = "SELECT count(*)
FROM $TABLETRACK_ACCESS
WHERE `access_cours_code` = '$_cid'
AND (access_date > DATE_ADD(CURDATE(), INTERVAL -31 DAY))
AND access_tool IS NULL";
$count = getOneResult($sql);
$line .= get_lang('Last31days')." ; ".$count."\n";
// last 7 days
$sql = "SELECT count(*)
FROM $TABLETRACK_ACCESS
WHERE `access_cours_code` = '$_cid'
AND (access_date > DATE_ADD(CURDATE(), INTERVAL -7 DAY))
AND access_tool IS NULL";
$count = getOneResult($sql);
$line .= get_lang('Last7days')." ; ".$count."\n";
// today
$sql = "SELECT count(*)
FROM $TABLETRACK_ACCESS
WHERE `access_cours_code` = '$_cid'
AND ( access_date > CURDATE() )
AND access_tool IS NULL";
$count = getOneResult($sql);
$line .= get_lang('Thisday')." ; ".$count."\n";
}
/***************************************************************************
*
* Tools
*
***************************************************************************/
$tempView = $view;
if($view[2] == '1'){
$tempView[2] = '0';
$title[1]= $nameTools;
$line ='';
$title_line = get_lang('ToolTitleToolnameColumn').";".get_lang('ToolTitleUsersColumn').";".get_lang('ToolTitleCountColumn')."\n";
$sql = "SELECT `access_tool`, COUNT(DISTINCT `access_user_id`),count( `access_tool` )
FROM $TABLETRACK_ACCESS
WHERE `access_tool` IS NOT NULL
AND `access_cours_code` = '$_cid'
GROUP BY `access_tool`";
$results = getManyResults3Col($sql);
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j][0]."/".get_lang($results[$j][0]).";".$results[$j][1].";".$results[$j][2]."\n";
}
}
else
{
$line = get_lang('NoResult')."\n";
}
}
/***************************************************************************
*
* Links
*
***************************************************************************/
$tempView = $view;
if($view[3] == '1'){
$tempView[3] = '0';
$sql = "SELECT `cl`.`title`, `cl`.`url`,count(DISTINCT `sl`.`links_user_id`), count(`cl`.`title`)
FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
WHERE `sl`.`links_link_id` = `cl`.`id`
AND `sl`.`links_cours_id` = '$_cid'
GROUP BY `cl`.`title`, `cl`.`url`";
$results = getManyResultsXCol($sql,4);
$title[1]= $nameTools;
$line='';
$title_line = get_lang('LinksTitleLinkColumn').";".get_lang('LinksTitleUsersColumn').";".get_lang('LinksTitleCountColumn')."\n";
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j][1]."'>".$results[$j][0].";".$results[$j][2].";".$results[$j][3]."\n";
}
}
else
{
$line = get_lang('NoResult')."\n";
}
}
/***************************************************************************
*
* Documents
*
***************************************************************************/
$tempView = $view;
if($view[4] == '1'){
$tempView[4] = '0';
$sql = "SELECT `down_doc_path`, COUNT(DISTINCT `down_user_id`), COUNT(`down_doc_path`)
FROM $TABLETRACK_DOWNLOADS
WHERE `down_cours_id` = '$_cid'
GROUP BY `down_doc_path`";
$results = getManyResults3Col($sql);
$title[1]= $nameTools;
$line='';
$title_line = get_lang('DocumentsTitleDocumentColumn').";".get_lang('DocumentsTitleUsersColumn').";".get_lang('DocumentsTitleCountColumn')."\n";
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j][0].";".$results[$j][1].";".$results[$j][2]."\n";
}
}
else
{
$line=get_lang('NoResult')."\n";
}
}
/***************************************************************************
*
* Scorm contents and Learning Path
*
***************************************************************************/
$tempView = $view;
if($view[5] == '1'){
$tempView[5] = '0';
$sql = "SELECT id, name
FROM $tbl_learnpath_main";
//WHERE dokeosCourse='$_cid'"; we are using a table inside the course now, so no need for course id
$result=api_sql_query($sql,__FILE__,__LINE__);
$ar=Database::fetch_array($result);
$title[1]= $nameTools;
$line='';
$title_line = get_lang('ScormContentColumn');
$scormcontopen=$_REQUEST["scormcontopen"];
$scormstudentopen=$_REQUEST["scormstudentopen"];
if (is_array($ar)){
while ($ar['id'] != '') {
$lp_title = stripslashes($ar['name']);
//echo "< a href = '".api_get_self()."?view=".$view."&scormcontopen=".$ar[' id ' ] . " ' class = 'specialLink' > $lp_title< / a > ";
if ($ar['id']==$scormcontopen) { //have to list the students here
$contentId=$ar['id'];
$sql2 = "SELECT u.user_id, u.lastname, u.firstname " .
"FROM $tbl_learnpath_view sd " .
"INNER JOIN $table_user u " .
"ON u.user_id = sd.user_id " .
"WHERE sd.lp_id=$contentId group by u.user_id";
//error_log($sql2,0);
$result2=api_sql_query($sql2,__FILE__,__LINE__);
if(mysql_num_rows($result2)>0){
$ar2=Database::fetch_array($result2);
while ($ar2 != '') {
if (isset($_REQUEST["scormstudentopen"]) & & $ar2['user_id']==$scormstudentopen) {
$line .= $ar['id']." ".$ar2['user_id']." ".$ar2['lastname']." ".$ar2['firstname'];
}
else{
$line .= $ar['id']." ".$ar2['user_id']." ".$ar2['lastname']." ".$ar2['firstname'];
}
if ($ar2['user_id']==$scormstudentopen) { //have to list the student's results
$studentId=$ar2['user_id'];
$sql3 = "SELECT iv.status, iv.score, i.title, iv.total_time " .
"FROM $tbl_learnpath_item i " .
"INNER JOIN $tbl_learnpath_item_view iv ON i.id=iv.lp_item_id " .
"INNER JOIN $tbl_learnpath_view v ON iv.lp_view_id=v.id " .
"WHERE (v.user_id=$studentId and v.lp_id=$contentId) ORDER BY v.id, i.id";
$result3=api_sql_query($sql3,__FILE__,__LINE__);
$ar3=Database::fetch_array($result3);
$title_line .= get_lang('ScormTitleColumn').";".get_lang('ScormStatusColumn').";".get_lang('ScormScoreColumn').";".get_lang('ScormTimeColumn');
while ($ar3['status'] != '') {
require_once('../newscorm/learnpathItem.class.php');
$time = learnpathItem::get_scorm_time('php',$ar3['total_time']);
$title = api_htmlentities($ar3['title'],ENT_QUOTES,$lp_charset);
$line .= $title.";".$ar3['status'].";".$ar3['score'].";".$time;
$ar3=Database::fetch_array($result3);
}
}
$line .= "\n";
$ar2=Database::fetch_array($result2);
}
$title_line .= "\n";
}
}
$ar=Database::fetch_array($result);
}
}
}
/***************************************************************************
*
* Export to a CSV file
* force the browser to save the file instead of opening it
***************************************************************************/
$len = strlen($title_line.$line);
header('Content-type: application/octet-stream');
//header('Content-Type: application/force-download');
header('Content-length: '.$len);
$filename = html_entity_decode(str_replace(":","",str_replace(" ","_", $title[0].'_'.$title[1].'.csv')));
if(preg_match("/MSIE 5.5/",$_SERVER['HTTP_USER_AGENT']))
{
header('Content-Disposition: filename= '.$filename);
}
else
{
header('Content-Disposition: attachment; filename= '.$filename);
}
if(strpos($_SERVER['HTTP_USER_AGENT'],'MSIE'))
{
header('Pragma: ');
header('Cache-Control: ');
header('Cache-Control: public'); // IE cannot download from sessions without a cache
}
header('Content-Description: '.$filename);
header('Content-transfer-encoding: binary');
echo api_html_entity_decode($title_line, ENT_COMPAT, $charset);
echo api_html_entity_decode($line, ENT_COMPAT, $charset);
exit;
}
// not allowed
else
{
if(!$_configuration['tracking_enabled'])
{
echo get_lang('TrackingDisabled');
}
else
{
api_not_allowed();
}
}
?>
