Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/mySpace/access_details.php

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12 KiB

<?php
// $Id:
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2009 Dokeos SPRL
Copyright (c) 2008 Furio Petrossi
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: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This is the tracking library for Dokeos.
* Include/require it in your code to use its functionality.
*
* @package dokeos.library
==============================================================================
* Calculates the time spent on the course
* @param integer $user_id the user id
* @param string $course_code the course code
* Funzione scritta da Mario per testare cose
*/
$language_file = array ('registration', 'index', 'tracking');
require_once('../inc/global.inc.php');
/**
* Gets the connections to a course as an array of login and logout time
*/
function get_connections_to_course($user_id, $course_code) {
$course_code = Database::escape_string($course_code);
$tbl_track_course = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$tbl_main=Database::get_main_table(TABLE_MAIN_COURSE);
$sql_query='SELECT visual_code as course_code FROM '.$tbl_main.' c WHERE code="'.$course_code.'";';
$result=api_sql_query($sql_query,__FILE__,__LINE__);
$row_query=Database::fetch_array($result,'ASSOC');
$course_true=isset($row_query['course_code']) ? $row_query['course_code']: $course_code;
$sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . '
WHERE user_id = ' . intval($user_id) . '
AND course_code="' . $course_true . '" ORDER BY login_course_date ASC';
$rs = api_sql_query($sql);
$connections = array();
while ($a_connections = Database::fetch_array($rs)) {
$s_login_date = $a_connections['login_course_date'];
$s_logout_date = $a_connections['logout_course_date'];
$i_timestamp_login_date = strtotime($s_login_date);
$i_timestamp_logout_date = strtotime($s_logout_date);
$connections[] = array('login'=>$i_timestamp_login_date, 'logout'=>$i_timestamp_logout_date);
}
return $connections;
}
function get_connections_to_course_by_time($user_id, $course_code, $year='', $month='', $day='') {
$course_code = Database::escape_string($course_code);
$tbl_track_course = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$tbl_main=Database::get_main_table(TABLE_MAIN_COURSE);
$sql_query='SELECT visual_code as course_code FROM '.$tbl_main.' c WHERE code="'.$course_code.'";';
$result=api_sql_query($sql_query,__FILE__,__LINE__);
$row_query=Database::fetch_array($result,'ASSOC');
$course_true=isset($row_query['course_code']) ? $row_query['course_code']: $course_code;
$sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . '
WHERE user_id = ' . intval($user_id) . '
AND course_code="' . $course_true . '"
ORDER BY login_course_date DESC';
$rs = api_sql_query($sql);
$connections = array();
while ($a_connections = Database::fetch_array($rs)) {
$s_login_date = $a_connections['login_course_date'];
$s_logout_date = $a_connections['logout_course_date'];
$i_timestamp_login_date = strtotime($s_login_date);
$i_timestamp_logout_date = strtotime($s_logout_date);
$connections[] = array('login'=>$i_timestamp_login_date, 'logout'=>$i_timestamp_logout_date);
}
return $connections;
}
/**
* Transforms seconds into a time format
*/
function calculHours($seconds)
{
//How many hours ?
$hours = floor($seconds / 3600);
//How many minutes ?
$min = floor(($seconds - ($hours * 3600)) / 60);
if ($min < 10)
$min = '0'.$min;
//How many seconds
$sec = $seconds - ($hours * 3600) - ($min * 60);
if ($sec < 10)
$sec = '0'.$sec;
return $hours.get_lang('HourShort').' '.$min.':'.$sec;
}
/* MAIN */
$user_id = Database::escape_string($_REQUEST['student']);
$course_code=Database::escape_string($_REQUEST['course']);
include_once(api_get_path(LIBRARY_PATH).'pchart/pData.class.php');
include_once(api_get_path(LIBRARY_PATH).'pchart/pChart.class.php');
include_once(api_get_path(LIBRARY_PATH).'pchart/pCache.class.php');
$connections = get_connections_to_course($user_id, $course_code);
$i = 0;
if (api_is_xml_http_request()) {
$type = Security::remove_XSS($_GET['type']);
$main_year = $main_month_year = $main_day = array();
foreach ($connections as $key=>$data) {
//creating the main array
//$main_year[date('Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;
$main_month_year[date('m-Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;
$main_day[date('d-m-Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;
if ($i > 500) {
break;
}
$i++;
}
switch ($type) {
case 'day':
$main_date = $main_day;
break;
case 'month':
$main_date = $main_month_year ;
break;
case 'year':
$main_date = $main_year;
break;
}
//echo '<pre>'; print_r($main_date);
// the nice graphics :D
$labels = array_keys($main_date);
if (count($main_date)==1) {
$labels = $labels[0];
$main_date = $main_date[$labels];
}
$DataSet = new pData;
$DataSet->AddPoint($main_date,'Q');
if (count($main_date)!=1) {
$DataSet->AddPoint($labels,'Date');
}
$DataSet->AddAllSeries();
$DataSet->RemoveSerie('Date');
$DataSet->SetAbsciseLabelSerie('Date');
$DataSet->SetYAxisName(ucfirst(get_lang('MinMinutes')));
$graph_id = api_get_user_id().'AccessDetails'.api_get_course_id();
$DataSet->AddAllSeries();
$Cache = new pCache();
// the graph id
$data = $DataSet->GetData();
if ($Cache->IsInCache($graph_id, $DataSet->GetData())) {
//if (0) {
//if we already created the img
// echo 'in cache';
$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
} else {
// if the image does not exist in the main/garbage/ folder
// Initialise the graph
$Test = new pChart(760,230);
//which schema of color will be used
$quant_resources = count($data[0])-1;
// Adding the color schemma
$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/default.txt");
$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);
$Test->setGraphArea(70,30,680,200);
$Test->drawFilledRoundedRectangle(7,7,693,223,5,240,240,240);
$Test->drawRoundedRectangle(5,5,695,225,5,230,230,230);
$Test->drawGraphArea(255,255,255,TRUE);
$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,0);
$Test->drawGrid(4,TRUE,230,230,230,50);
$Test->setLineStyle(2);
// Draw the 0 line
$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",6);
$Test->drawTreshold(0,143,55,72,TRUE,TRUE);
if (count($main_date)==1) {
//Draw a graph
echo '<strong>'.$labels.'</strong><br/>';
$Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE);
} else {
//Draw the line graph
$Test->drawLineGraph($DataSet->GetData(),$DataSet->GetDataDescription());
$Test->drawPlotGraph($DataSet->GetData(),$DataSet->GetDataDescription(),3,2,255,255,255);
}
// Finish the graph
$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);
$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",10);
$Test->drawTitle(60,22,get_lang('AccessDetails'),50,50,50,585);
//------------------
//echo 'not in cache';
$Cache->WriteToCache($graph_id,$DataSet->GetData(),$Test);
ob_start();
$Test->Stroke();
ob_end_clean();
$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
}
echo '<img src="'.api_get_path(WEB_CODE_PATH).'garbage/'.$img_file.'">';
exit;
}
$nameTools= get_lang('AccessDetails');
//StudentDetails
if (isset($_GET['origin']) && strcmp($_GET['origin'],'tracking_course')===0) {
$interbreadcrumb[] = array ("url" => "../tracking/courseLog.php?cidReq=".Security::remove_XSS($_GET['course'])."&amp;studentlist=true&id_session=".api_get_session_id(), "name" => get_lang("Tracking"));
$interbreadcrumb[] = array ("url" => "myStudents.php?student=".Security::remove_XSS($_GET['student'])."&details=true&origin=".Security::remove_XSS($_GET['origin'])."&amp;course=".Security::remove_XSS($_GET['course']).'&amp;cidReq='.Security::remove_XSS($_GET['course']), "name" => get_lang('DetailsStudentInCourse'));
$interbreadcrumb[] = array ("url" => "#", "name" => get_lang("Details"));
} elseif (isset($_GET['origin']) && strcmp($_GET['origin'],'user_course')===0) {
$interbreadcrumb[] = array ("url" => "../user/user.php?cidReq=".Security::remove_XSS($_GET['course']), "name" => get_lang("Users"));
$interbreadcrumb[] = array ("url" => "myStudents.php?student=".Security::remove_XSS($_GET['student'])."&details=true&origin=".Security::remove_XSS($_GET['origin'])."&amp;course=".Security::remove_XSS($_GET['course']).'&amp;cidReq='.Security::remove_XSS($_GET['course']), "name" => get_lang('DetailsStudentInCourse'));
$interbreadcrumb[] = array ("url" => "#", "name" => get_lang("Details"));
}
$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery-1.1.3.1.pack.js" type="text/javascript"></script>';
$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.history_remote.pack.js" type="text/javascript"></script>';
$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.tabs.pack.js" type="text/javascript"></script>';
$htmlHeadXtra[] = '<link rel="stylesheet" href="../inc/lib/javascript/jquery.tabs.css" type="text/css" media="print, projection, screen">';
$htmlHeadXtra[] = '<script type="text/javascript">
$(function() {
$("#container-9").tabs({ remote: true});
});
</script>' ;
Display :: display_header('');
$TBL_USERINFO_DEF = Database :: get_course_table(TABLE_USER_INFO);
$mainUserInfo = api_get_user_info($user_id, $course_code);
$result_to_print = '';
$main_date_array = array();
foreach ($connections as $key=>$data) {
$result_to_print .= '&nbsp;&nbsp;'.date('d-m-Y (H:i:s)',$data['login']).' - '.calculHours($data['logout']-$data['login']).'<br />'."\n";
}
api_display_tool_title(get_lang('DetailsStudentInCourse'));
echo '<div class="actions">';
echo '<strong>'.get_lang('User').': '.$mainUserInfo['firstName'].' '.$mainUserInfo['lastName'].'</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<strong>'.get_lang('Course').': '.$course_code.'</strong></div>';
echo '<br/>';
?>
<div id="container-9">
<ul>
<li><a href="access_details.php?type=day&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span> <?php echo get_lang('Day'); ?></span></a></li>
<li><a href="access_details.php?type=month&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span><?php echo ucfirst(get_lang('MinMonth')); ?></span></a></li>
</ul>
<?php echo '<div id="show"></div>';?>
</div>
<?php
echo '<div id="graph"></div><br />';
echo '<div class="actions"><strong>',get_lang('DateAndTimeOfAccess'),' - ',get_lang('Duration'),'</strong></div><br />';
echo $result_to_print;
/* Login time against logout time
foreach ($connections as $key=>$data)
{
echo ("<tr><td>".date("d-m-Y (H:i:s)",$data['login'])."</td><td>".date("d-m-Y (H:i:s)",$data['logout'])."</td></tr>");
}
*/
/*
foreach ($connections as $key=>$data)
{
echo ("<tr><td>".date("d-m-Y (H:i:s)",$data['login'])."</td><td>".calculHours($data['logout']-$data['login'])."</td></tr>");
}
echo ("</table>");
*/
Display:: display_footer();
?>