<?php
// $Id: tracking.lib.php 2007-28-02 15:51:53
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) various contributors
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, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This is the tracking library for Dokeos.
* Include/require it in your code to use its functionality.
*
* @package dokeos.library
* @author Julio Montoya < gugli100 @ gmail . com > (Score average fixes)
==============================================================================
*/
class Tracking {
/**
* Calculates the time spent on the platform by a user
* @param integer $user_id the user id
* @return timestamp $nb_seconds
*/
public static function get_time_spent_on_the_platform($user_id) {
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = 'SELECT login_date, logout_date FROM ' . $tbl_track_login . '
WHERE login_user_id = ' . intval($user_id);
$rs = Database::query($sql,__FILE__,__LINE__);
$nb_seconds = 0;
$wrong_logout_dates = false;
while ($a_connections = Database::fetch_array($rs)) {
$s_login_date = $a_connections["login_date"];
$s_logout_date = $a_connections["logout_date"];
$i_timestamp_login_date = strtotime($s_login_date);
$i_timestamp_logout_date = strtotime($s_logout_date);
if($i_timestamp_logout_date>0)
{
$nb_seconds += ($i_timestamp_logout_date - $i_timestamp_login_date);
}
else
{ // there are wrong datas in db, then we can't give a wrong time
$wrong_logout_dates = true;
}
}
if($nb_seconds>0 || !$wrong_logout_dates)
{
return $nb_seconds;
}
else
{
return -1; //-1 means we have wrong datas in the db
}
}
/**
* Calculates the time spent on the course
* @param integer $user_id the user id
* @param string $course_code the course code
* @return timestamp $nb_seconds
*/
public static function get_time_spent_on_the_course($user_id, $course_code) {
// protect datas
$course_code = Database::escape_string($course_code);
$tbl_track_course = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$condition_user = "";
if (is_array($user_id)) {
$condition_user = " AND user_id IN (".implode(',',$user_id).") ";
} else {
$user_id = intval($user_id);
$condition_user = " AND user_id = '$user_id' ";
}
$sql = " SELECT SUM(UNIX_TIMESTAMP(logout_course_date)-UNIX_TIMESTAMP(login_course_date)) as nb_seconds
FROM $tbl_track_course
WHERE course_code='$course_code' $condition_user";
$rs = Database::query($sql,__FILE__,__LINE__);
$row = Database::fetch_array($rs);
return $row['nb_seconds'];
}
public static function get_first_connection_date($student_id) {
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = 'SELECT login_date FROM ' . $tbl_track_login . '
WHERE login_user_id = ' . intval($student_id) . '
ORDER BY login_date ASC LIMIT 0,1';
$rs = Database::query($sql,__FILE__,__LINE__);
if(Database::num_rows($rs)>0)
{
if ($first_login_date = Database::result($rs, 0, 0)) {
return format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($first_login_date));
}
}
return false;
}
public static function get_last_connection_date($student_id, $warning_message = false, $return_timestamp = false) {
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = 'SELECT login_date FROM ' . $tbl_track_login . '
WHERE login_user_id = ' . intval($student_id) . '
ORDER BY login_date DESC LIMIT 0,1';
$rs = Database::query($sql,__FILE__,__LINE__);
if(Database::num_rows($rs)>0)
{
if ($last_login_date = Database::result($rs, 0, 0))
{
if ($return_timestamp)
{
return strtotime($last_login_date);
}
else
{
if (!$warning_message)
{
return format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_login_date));
}
else
{
$timestamp = strtotime($last_login_date);
$currentTimestamp = mktime();
//If the last connection is > than 7 days, the text is red
//345600 = 7 days in seconds
if ($currentTimestamp - $timestamp > 604800)
{
return '< span style = "color: #F00;" > ' . format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_login_date)) . '< / span > ';
}
else
{
return format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_login_date));
}
}
}
}
}
return false;
}
public static function get_first_connection_date_on_the_course($student_id, $course_code) {
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = 'SELECT login_course_date FROM ' . $tbl_track_login . '
WHERE user_id = ' . intval($student_id) . '
AND course_code = "' . Database::escape_string($course_code) . '"
ORDER BY login_course_date ASC LIMIT 0,1';
$rs = Database::query($sql,__FILE__,__LINE__);
if(Database::num_rows($rs)>0)
{
if ($first_login_date = Database::result($rs, 0, 0)) {
return format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($first_login_date));
}
}
return false;
}
public static function get_last_connection_date_on_the_course($student_id, $course_code) {
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = 'SELECT login_course_date FROM ' . $tbl_track_login . '
WHERE user_id = ' . intval($student_id) . '
AND course_code = "' . Database::escape_string($course_code) . '"
ORDER BY login_course_date DESC LIMIT 0,1';
$rs = Database::query($sql,__FILE__,__LINE__);
if(Database::num_rows($rs)>0)
{
if ($last_login_date = Database::result($rs, 0, 0)) {
$timestamp = strtotime($last_login_date);
$currentTimestamp = mktime();
//If the last connection is > than 7 days, the text is red
//345600 = 7 days in seconds
if ($currentTimestamp - $timestamp > 604800) {
return '< span style = "color: #F00;" > ' . format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_login_date)) . (api_is_allowed_to_edit()?' < a href = "'.api_get_path(REL_CODE_PATH).'announcements/announcements.php?action=add&remind_inactive='.$student_id.'" title = "'.get_lang('RemindInactiveUser').'" > < img align = "middle" src = "'.api_get_path(WEB_IMG_PATH).'messagebox_warning.gif" / > < / a > ':'').'< / span > ';
} else {
return format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_login_date));
}
}
}
return false;
}
public static function count_course_per_student($user_id) {
$user_id = intval($user_id);
$tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_session_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sql = 'SELECT DISTINCT course_code
FROM ' . $tbl_course_rel_user . '
WHERE user_id = ' . $user_id;
$rs = Database::query($sql, __FILE__, __LINE__);
$nb_courses = Database::num_rows($rs);
$sql = 'SELECT DISTINCT course_code
FROM ' . $tbl_session_course_rel_user . '
WHERE id_user = ' . $user_id;
$rs = Database::query($sql, __FILE__, __LINE__);
$nb_courses += Database::num_rows($rs);
return $nb_courses;
}
/**
* This function gets the score average from all tests in a course by student
* @param int $student_id - or array for multiples User id (array(0=>1,1=>2))
* @param string $course_code - Course id
* @return string value (number %) Which represents a round integer about the score average.
*/
public static function get_avg_student_exercise_score($student_id, $course_code) {
// protect datas
$course_code = Database::escape_string($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
if(!empty($a_course['db_name'])) {
// table definition
$tbl_course_quiz = Database::get_course_table(TABLE_QUIZ_TEST,$a_course['db_name']);
$tbl_stats_exercise = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$count_quiz = Database::fetch_row(Database::query("SELECT count(id) FROM $tbl_course_quiz WHERE active < > -1",__FILE__,__LINE__));
$quiz_avg_total_score = 0;
if (!empty($count_quiz[0]) & & !empty($student_id)) {
$condition_user = "";
if (is_array($student_id)) {
$condition_user = " AND exe_user_id IN (".implode(',',$student_id).") ";
} else {
$condition_user = " AND exe_user_id = '$student_id' ";
}
$sql = "SELECT SUM(exe_result/exe_weighting*100) as avg_score
FROM $tbl_stats_exercise
WHERE exe_exo_id IN (SELECT id FROM $tbl_course_quiz WHERE active < > -1)
$condition_user
AND orig_lp_id = 0
AND exe_cours_id = '$course_code'
AND orig_lp_item_id = 0
ORDER BY exe_date DESC";
$res = Database::query($sql, __FILE__, __LINE__);
$row = Database::fetch_array($res);
$quiz_avg_score = 0;
if (!empty($row['avg_score'])) {
$quiz_avg_score = round($row['avg_score'],2);
}
$count_attempt = Database::fetch_row(Database::query("SELECT count(*) FROM $tbl_stats_exercise WHERE exe_exo_id IN (SELECT id FROM $tbl_course_quiz WHERE active < > -1) $condition_user AND orig_lp_id = 0 AND exe_cours_id = '$course_code' AND orig_lp_item_id = 0 ORDER BY exe_date DESC",__FILE__,__LINE__));
if(!empty($count_attempt[0])) {
$quiz_avg_score = $quiz_avg_score / $count_attempt[0];
}
$quiz_avg_total_score = $quiz_avg_score;
return $quiz_avg_total_score/$count_quiz[0];
}
}
return null;
}
public static function get_avg_student_progress($student_id, $course_code) {
// protect datas
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
if (!empty($a_course['db_name'])) {
// table definition
$tbl_course_lp_view = Database :: get_course_table(TABLE_LP_VIEW, $a_course['db_name']);
$tbl_course_lp = Database :: get_course_table(TABLE_LP_MAIN, $a_course['db_name']);
$count_lp = Database::fetch_row(Database::query("SELECT count(id) FROM $tbl_course_lp",__FILE__,__LINE__));
$avg_progress = 0;
if (!empty($count_lp[0]) & & !empty($student_id)) {
$condition_user = "";
if (is_array($student_id)) {
$condition_user = " lp_view.user_id IN (".implode(',',$student_id).") AND ";
} else {
$condition_user = " lp_view.user_id = '$student_id' AND ";
}
$sqlProgress = "SELECT SUM(progress) FROM $tbl_course_lp_view AS lp_view WHERE $condition_user lp_view.lp_id IN (SELECT id FROM $tbl_course_lp)";
$resultItem = Database::query($sqlProgress, __FILE__, __LINE__);
$rowItem = Database::fetch_row($resultItem);
$avg_progress = round($rowItem[0] / $count_lp[0], 1);
return $avg_progress;
}
}
return null;
}
/**
* This function gets:
* 1. The score average from all SCORM Test items in all LP in a course-> All the answers / All the max score.
* 2. The score average from all Tests (quiz) in all LP in a course-> All the answers / All the max score.
* 3. And finally it will return the average between 1. and 2.
* This function does not take the results of a Test out of a LP
*
* @param User id
* @param Course id
* @param Array limit average to listed lp ids
* @return string value (number %) Which represents a round integer explain in got in 3.
*/
public static function get_avg_student_score($student_id, $course_code, $lp_ids=array()) {
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$table_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$tbl_stats_attempts= Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course = CourseManager :: get_course_information($course_code);
if (!empty($course['db_name'])) {
$tbl_quiz_questions= Database :: get_course_table(TABLE_QUIZ_QUESTION,$course['db_name']);
$lp_table = Database :: get_course_table(TABLE_LP_MAIN,$course['db_name']);
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course['db_name']);
$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course['db_name']);
$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course['db_name']);
$condition_lp = "";
if(count($lp_ids) > 0) {
$condition_lp =" WHERE id IN(".implode(',',$lp_ids).") ";
}
$count_row_lp = Database::fetch_row(Database::query("SELECT count(*) FROM $lp_table $condition_lp",__FILE__,__LINE__));
$lp_scorm_score_total = 0;
$lp_scorm_weighting_total = 0;
$lp_scorm_result_score_total = 0;
$lp_scorm_loop=0;
$lp_count = 0;
$progress = 0;
if (!empty($count_row_lp[0]) & & !empty($student_id)) {
$condition_user1 = "";
if (is_array($student_id)) {
$condition_user1 =" AND user_id IN (".implode(',',$student_id).") ";
} else {
$condition_user1 =" AND user_id = '$student_id' ";
}
$sql = "SELECT max(id) as id, lp_id, user_id FROM $lp_view_table WHERE lp_id IN (SELECT id FROM $lp_table $condition_lp) $condition_user1 GROUP BY lp_id,user_id";
$rs_last_lp_view_id = Database::query($sql, __FILE__, __LINE__);
$score_of_scorm_calculate = 0;
if (Database::num_rows($rs_last_lp_view_id) > 0) {
while ($row_lp_view = Database::fetch_array($rs_last_lp_view_id)) {
$lp_view_id = $row_lp_view['id'];
// we get the progress
$sql='SELECT progress FROM '.$lp_view_table.' WHERE id="'.$lp_view_id.'"';
$rs = Database::query($sql, __FILE__, __LINE__);
$progress = Database::result($rs,0,'progress');
// item's list of an scorm
$sql_max_score='SELECT lp_iv.score as score,lp_i.max_score
FROM '.$lp_item_view_table.' as lp_iv
INNER JOIN '.$lp_item_table.' as lp_i
ON lp_i.id = lp_iv.lp_item_id
AND lp_i.item_type="sco"
WHERE lp_view_id="'.$lp_view_id.'"';
$res_max_score=Database::query($sql_max_score,__FILE__,__LINE__);
$count_total_loop=0;
$num_rows_max_score=Database::num_rows($res_max_score);
if ($num_rows_max_score==1) {
while ($row_max_score=Database::fetch_array($res_max_score)) {
if ($row_max_score['max_score']==0) {
//when there's no max score, we assume 100 as the max score, as the SCORM 1.2 says that the value should always be between 0 and 100.
$lp_scorm_result_score_total+=($row_max_score['score']/100);
$current_value = $row_max_score['score']/100;
} else {
$lp_scorm_result_score_total+=($row_max_score['score']/$row_max_score['max_score']);
$current_value = $row_max_score['score']/$row_max_score['max_score'];
}
$count_total_loop++;
}
} elseif ($num_rows_max_score > 1) {
while ($row_max_score=Database::fetch_array($res_max_score)) {
if ($row_max_score['max_score']==0) {
$lp_scorm_result_score_total+=($row_max_score['score']/100);
$current_value = $row_max_score['score']/100;
} else {
//when there's no max score, we assume 100 as the max score, as the SCORM 1.2 says that the value should always be between 0 and 100.
$lp_scorm_result_score_total+=($row_max_score['score']/$row_max_score['max_score']);
$current_value = $row_max_score['score']/$row_max_score['max_score'];
}
$count_total_loop++;
}
}
if ($num_rows_max_score > 0 & & ($progress > 0 || $current_value > 0 )) {
$lp_count++;
}
if ($count_total_loop==0) {
$count_total_loop=1;
}
$score_of_scorm_calculate=round((($lp_scorm_result_score_total/$count_total_loop)*100),2);
}
}
if(count($lp_ids)==0 ) {
$score_of_scorm_calculate=round((($score_of_scorm_calculate/$count_row_lp[0])),2);
}
$lp_scorm_score_total = $score_of_scorm_calculate;
$condition_user2 = "";
if (is_array($student_id)) {
$condition_user2 =" lp_view.user_id IN (".implode(',',$student_id).") AND ";
} else {
$condition_user2 =" lp_view.user_id = '$student_id' AND ";
}
//Path is the exercise id
$sql = "SELECT lp_view.id as lp_view_id, lp_view.lp_id as lp_id, lp_item.path, lp_item.id as item_id, lp_item.max_score, lp_view.user_id as user_id
FROM $lp_view_table lp_view
INNER JOIN $lp_item_table lp_item ON lp_item.lp_id = lp_view.lp_id AND item_type='".TOOL_QUIZ."'
WHERE $condition_user2 lp_view.lp_id IN (SELECT id FROM $lp_table $condition_lp)";;
$rsItems = Database::query($sql, __FILE__, __LINE__);
$total_score = $total_weighting = 0;
if (Database::num_rows($rsItems) > 0) {
while ($item = Database::fetch_array($rsItems)) {
$lp_view_id = $item['lp_view_id'];
$lp_item_id = $item['item_id'];
$lp_id = $item['lp_id'];
$user_id = $item['user_id'];
// we take the score from a LP because we have lp_view_id
$sql = "SELECT score FROM $lp_item_view_table WHERE lp_item_id = '$lp_item_id' and lp_view_id = '$lp_view_id'
ORDER BY view_count DESC limit 1";
$rsScores = Database::query($sql, __FILE__, __LINE__);
// Real max score - this was implemented because of the random exercises
$sql_last_attempt = 'SELECT exe_id FROM '. $tbl_stats_exercices. ' ' .
'WHERE exe_exo_id="' .$item['path']. '" AND exe_user_id="' . $user_id . '" AND orig_lp_id = "'.$lp_id.'" AND orig_lp_item_id = "'.$lp_item_id.'" AND exe_cours_id="' . $course_code . '" ORDER BY exe_date DESC limit 1';
$resultLastAttempt = Database::query($sql_last_attempt, __FILE__, __LINE__);
$num = Database :: num_rows($resultLastAttempt);
if ($num > 0){
if ($num > 1){
while ($rowLA = Database :: fetch_row($resultLastAttempt)) {
$id_last_attempt = $rowLA[0];
}
} else {
$id_last_attempt = Database :: result($resultLastAttempt, 0, 0);
}
}
$sql = "SELECT SUM(t.ponderation) as maxscore from ( SELECT distinct question_id, marks,ponderation FROM $tbl_stats_attempts as at " .
"INNER JOIN $tbl_quiz_questions as q on(q.id = at.question_id) where exe_id ='$id_last_attempt' ) as t";
$result = Database::query($sql, __FILE__, __LINE__);
$row_max_score = Database :: fetch_array($result);
$maxscore = $row_max_score['maxscore'];
if ($maxscore=='') {
$maxscore = $item['max_score'];
}
if(Database::num_rows($rsScores)>0) {
$total_score = Database::result($rsScores, 0, 0);
$total_weighting += $maxscore;
if($total_weighting>0 & & $maxscore>0) {
$lp_scorm_score_total += ($total_score/$maxscore)*100;
$lp_scorm_weighting_total+=100;
}
}
}
}
}
$totalScore = $lp_scorm_score_total;
$pourcentageScore = 0;
if($lp_scorm_weighting_total>0) {
//i.e 10.52
$pourcentageScore = round( (($totalScore * 100) / $lp_scorm_weighting_total),2);
return $pourcentageScore;
} elseif ($score_of_scorm_calculate>0) {
//echo '< br > '.$score_of_scorm_calculate;
return $score_of_scorm_calculate;
} else {
return null;
}
}
}
/**
* gets the list of students followed by coach
* @param integer $coach_id the id of the coach
* @return Array the list of students
*/
public static function get_student_followed_by_coach($coach_id) {
$coach_id = intval($coach_id);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_user = Database :: get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$a_students = array ();
//////////////////////////////////////////////////////////////
// At first, courses where $coach_id is coach of the course //
//////////////////////////////////////////////////////////////
$sql = 'SELECT id_session, course_code FROM ' . $tbl_session_course_user . ' WHERE id_user=' . $coach_id.' AND status=2';
global $_configuration;
if ($_configuration['multiple_access_urls']==true) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT scu.id_session, scu.course_code
FROM ' . $tbl_session_course_user . ' scu INNER JOIN '.$tbl_session_rel_access_url.' sru
ON (scu.id_session=sru.session_id)
WHERE scu.id_user=' . $coach_id.' AND scu.status=2 AND sru.access_url_id = '.$access_url_id;
}
}
$result = Database::query($sql,__FILE__,__LINE__);
while ($a_courses = Database::fetch_array($result)) {
$course_code = $a_courses["course_code"];
$id_session = $a_courses["id_session"];
$sql = "SELECT distinct srcru.id_user
FROM $tbl_session_course_user AS srcru, $tbl_session_user sru
WHERE srcru.id_user = sru.id_user AND srcru.id_session = sru.id_session AND srcru.course_code='$course_code' AND srcru.id_session='$id_session'";
$rs = Database::query($sql,__FILE__,__LINE__);
while ($row = Database::fetch_array($rs)) {
$a_students[$row['id_user']] = $row['id_user'];
}
}
//////////////////////////////////////////////////////////////
// Then, courses where $coach_id is coach of the session //
//////////////////////////////////////////////////////////////
$sql = 'SELECT session_course_user.id_user
FROM ' . $tbl_session_course_user . ' as session_course_user
INNER JOIN '.$tbl_session_user.' sru ON session_course_user.id_user = sru.id_user AND session_course_user.id_session = sru.id_session
INNER JOIN ' . $tbl_session_course . ' as session_course
ON session_course.course_code = session_course_user.course_code
AND session_course_user.id_session = session_course.id_session
INNER JOIN ' . $tbl_session . ' as session
ON session.id = session_course.id_session
AND session.id_coach = ' . $coach_id;
if ($_configuration['multiple_access_urls']==true) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT session_course_user.id_user
FROM ' . $tbl_session_course_user . ' as session_course_user
INNER JOIN '.$tbl_session_user.' sru ON session_course_user.id_user = sru.id_user AND session_course_user.id_session = sru.id_session
INNER JOIN ' . $tbl_session_course . ' as session_course
ON session_course.course_code = session_course_user.course_code
AND session_course_user.id_session = session_course.id_session
INNER JOIN ' . $tbl_session . ' as session
ON session.id = session_course.id_session
AND session.id_coach = ' . $coach_id.'
INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON session.id = session_rel_url.session_id WHERE access_url_id = '.$access_url_id;
}
}
$result = Database::query($sql,__FILE__,__LINE__);
while ($row = Database::fetch_array($result)) {
$a_students[$row['id_user']] = $row['id_user'];
}
return $a_students;
}
public static function get_student_followed_by_coach_in_a_session($id_session, $coach_id) {
$coach_id = intval($coach_id);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$a_students = array ();
//////////////////////////////////////////////////////////////
// At first, courses where $coach_id is coach of the course //
//////////////////////////////////////////////////////////////
$sql = 'SELECT course_code FROM ' . $tbl_session_course_user . ' WHERE id_session="' . $id_session . '" AND id_user=' . $coach_id.' AND status=2';
$result = Database::query($sql,__FILE__,__LINE__);
while ($a_courses = Database::fetch_array($result)) {
$course_code = $a_courses["course_code"];
$sql = "SELECT distinct srcru.id_user
FROM $tbl_session_course_user AS srcru
WHERE course_code='$course_code' and id_session = '" . $id_session . "'";
$rs = Database::query($sql, __FILE__, __LINE__);
while ($row = Database::fetch_array($rs)) {
$a_students[$row['id_user']] = $row['id_user'];
}
}
//////////////////////////////////////////////////////////////
// Then, courses where $coach_id is coach of the session //
//////////////////////////////////////////////////////////////
$dsl_session_coach = 'SELECT id_coach FROM ' . $tbl_session . ' WHERE id="' . $id_session . '" AND id_coach="' . $coach_id . '"';
$result = Database::query($dsl_session_coach, __FILE__, __LINE__);
//He is the session_coach so we select all the users in the session
if (Database::num_rows($result) > 0) {
$sql = 'SELECT DISTINCT srcru.id_user FROM ' . $tbl_session_course_user . ' AS srcru WHERE id_session="' . $id_session . '"';
$result = Database::query($sql,__FILE__,__LINE__);
while ($row = Database::fetch_array($result)) {
$a_students[$row['id_user']] = $row['id_user'];
}
}
return $a_students;
}
public static function is_allowed_to_coach_student($coach_id, $student_id) {
$coach_id = intval($coach_id);
$student_id = intval($student_id);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
//////////////////////////////////////////////////////////////
// At first, courses where $coach_id is coach of the course //
//////////////////////////////////////////////////////////////
/*$sql = 'SELECT 1
FROM ' . $tbl_session_course_user . ' AS session_course_user
INNER JOIN ' . $tbl_session_course . ' AS session_course
ON session_course.course_code = session_course_user.course_code
AND id_coach=' . $coach_id . '
WHERE id_user=' . $student_id;*/
$sql = 'SELECT 1 FROM ' . $tbl_session_course_user . ' WHERE id_user=' . $coach_id .' AND status=2';
$result = Database::query($sql, __FILE__, __LINE__);
if (Database::num_rows($result) > 0) {
return true;
}
//////////////////////////////////////////////////////////////
// Then, courses where $coach_id is coach of the session //
//////////////////////////////////////////////////////////////
$sql = 'SELECT session_course_user.id_user
FROM ' . $tbl_session_course_user . ' as session_course_user
INNER JOIN ' . $tbl_session_course . ' as session_course
ON session_course.course_code = session_course_user.course_code
INNER JOIN ' . $tbl_session . ' as session
ON session.id = session_course.id_session
AND session.id_coach = ' . $coach_id . '
WHERE id_user = ' . $student_id;
$result = Database::query($sql, __FILE__, __LINE__);
if (Database::num_rows($result) > 0) {
return true;
}
return false;
}
public static function get_courses_followed_by_coach($coach_id, $id_session = '')
{
$coach_id = intval($coach_id);
if (!empty ($id_session))
$id_session = intval($id_session);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
//////////////////////////////////////////////////////////////
// At first, courses where $coach_id is coach of the course //
//////////////////////////////////////////////////////////////
$sql = 'SELECT DISTINCT course_code FROM ' . $tbl_session_course_user . ' WHERE id_user=' . $coach_id.' AND status=2';
global $_configuration;
if ($_configuration['multiple_access_urls']==true) {
$tbl_course_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT DISTINCT scu.course_code FROM ' . $tbl_session_course_user . ' scu INNER JOIN '.$tbl_course_rel_access_url.' cru
ON (scu.course_code = cru.course_code)
WHERE scu.id_user=' . $coach_id.' AND scu.status=2 AND cru.access_url_id = '.$access_url_id;
}
}
if (!empty ($id_session))
$sql .= ' AND id_session=' . $id_session;
$result = Database::query($sql, __FILE__, __LINE__);
while ($row = Database::fetch_array($result)) {
$a_courses[$row['course_code']] = $row['course_code'];
}
//////////////////////////////////////////////////////////////
// Then, courses where $coach_id is coach of the session //
//////////////////////////////////////////////////////////////
$sql = 'SELECT DISTINCT session_course.course_code
FROM ' . $tbl_session_course . ' as session_course
INNER JOIN ' . $tbl_session . ' as session
ON session.id = session_course.id_session
AND session.id_coach = ' . $coach_id . '
INNER JOIN ' . $tbl_course . ' as course
ON course.code = session_course.course_code';
if ($_configuration['multiple_access_urls']==true) {
$tbl_course_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT DISTINCT session_course.course_code
FROM ' . $tbl_session_course . ' as session_course
INNER JOIN ' . $tbl_session . ' as session
ON session.id = session_course.id_session
AND session.id_coach = ' . $coach_id . '
INNER JOIN ' . $tbl_course . ' as course
ON course.code = session_course.course_code
INNER JOIN '.$tbl_course_rel_access_url.' course_rel_url
ON (session_course.course_code = course_rel_url.course_code)';
}
}
if (!empty ($id_session)) {
$sql .= ' WHERE session_course.id_session=' . $id_session;
if ($_configuration['multiple_access_urls']==true)
$sql .= ' AND access_url_id = '.$access_url_id;
} else {
if ($_configuration['multiple_access_urls']==true)
$sql .= ' WHERE access_url_id = '.$access_url_id;
}
$result = Database::query($sql, __FILE__, __LINE__);
while ($row = Database::fetch_array($result)) {
$a_courses[$row['course_code']] = $row['course_code'];
}
return $a_courses;
}
public static function get_sessions_coached_by_user($coach_id) {
// table definition
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
// protect datas
$coach_id = intval($coach_id);
// session where we are general coach
$sql = 'SELECT DISTINCT id, name, date_start, date_end
FROM ' . $tbl_session . '
WHERE id_coach=' . $coach_id;
global $_configuration;
if ($_configuration['multiple_access_urls']==true) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT DISTINCT id, name, date_start, date_end
FROM ' . $tbl_session . ' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON (session.id = session_rel_url.session_id)
WHERE id_coach=' . $coach_id.' AND access_url_id = '.$access_url_id;
}
}
$rs = Database::query($sql,__FILE__,__LINE__);
while ($row = Database::fetch_array($rs))
{
$a_sessions[$row["id"]] = $row;
}
// session where we are coach of a course
$sql = 'SELECT DISTINCT session.id, session.name, session.date_start, session.date_end
FROM ' . $tbl_session . ' as session
INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
ON session.id = session_course_user.id_session
AND session_course_user.id_user=' . $coach_id.' AND session_course_user.status=2';
global $_configuration;
if ($_configuration['multiple_access_urls']==true) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT DISTINCT session.id, session.name, session.date_start, session.date_end
FROM ' . $tbl_session . ' as session
INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
ON session.id = session_course_user.id_session AND session_course_user.id_user=' . $coach_id.' AND session_course_user.status=2
INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON (session.id = session_rel_url.session_id)
WHERE access_url_id = '.$access_url_id;
}
}
$rs = Database::query($sql,__FILE__,__LINE__);
while ($row = Database::fetch_array($rs))
{
$a_sessions[$row["id"]] = $row;
}
if (is_array($a_sessions)) {
foreach ($a_sessions as & $session) {
if ($session['date_start'] == '0000-00-00') {
$session['status'] = get_lang('SessionActive');
}
else {
$date_start = explode('-', $session['date_start']);
$time_start = mktime(0, 0, 0, $date_start[1], $date_start[2], $date_start[0]);
$date_end = explode('-', $session['date_end']);
$time_end = mktime(0, 0, 0, $date_end[1], $date_end[2], $date_end[0]);
if ($time_start < time ( ) & & time ( ) < $ time_end ) {
$session['status'] = get_lang('SessionActive');
}
else{
if (time() < $time_start) {
$session['status'] = get_lang('SessionFuture');
}
else{
if (time() > $time_end) {
$session['status'] = get_lang('SessionPast');
}
}
}
}
}
}
return $a_sessions;
}
public static function get_courses_list_from_session($session_id) {
//protect datas
$session_id = intval($session_id);
// table definition
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
$sql = 'SELECT DISTINCT course_code
FROM ' . $tbl_session_course . '
WHERE id_session=' . $session_id;
$rs = Database::query($sql, __FILE__, __LINE__);
$a_courses = array ();
while ($row = Database::fetch_array($rs)) {
$a_courses[$row['course_code']] = $row;
}
return $a_courses;
}
public static function count_student_assignments($student_id, $course_code) {
require_once (api_get_path(LIBRARY_PATH) . 'course.lib.php');
// protect datas
$course_code = Database::escape_string($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
if (!empty($a_course['db_name'])) {
// table definition
$tbl_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY, $a_course['db_name']);
$condition_user = "";
if (is_array($student_id)) {
$condition_user = " AND insert_user_id IN (".implode(',',$student_id).") ";
} else {
$condition_user = " AND insert_user_id = '$student_id' ";
}
$sql = "SELECT count(tool) FROM $tbl_item_property WHERE tool='work' $condition_user ";
$rs = Database::query($sql, __LINE__, __FILE__);
$row = Database::fetch_row($rs);
return $row[0];
}
return null;
}
public static function count_student_messages($student_id, $course_code) {
require_once (api_get_path(LIBRARY_PATH) . 'course.lib.php');
// protect datas
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
if (!empty($a_course['db_name'])) {
// table definition
$tbl_messages = Database :: get_course_table(TABLE_FORUM_POST, $a_course['db_name']);
$condition_user = "";
if (is_array($student_id)) {
$condition_user = " WHERE poster_id IN (".implode(',',$student_id).") ";
} else {
$condition_user = " WHERE poster_id = '$student_id' ";
}
$sql = "SELECT count(post_id) FROM $tbl_messages $condition_user ";
$rs = Database::query($sql, __LINE__, __FILE__);
$row = Database::fetch_row($rs);
return $row[0];
}
return null;
}
/**
* This function counts the number of post by course
* @param string $course_code - Course ID
* @return int the number of post by course
* @author Christian Fasanando < christian.fasanando @ dokeos . com > ,
* @version enero 2009, dokeos 1.8.6
*/
public static function count_number_of_posts_by_course($course_code) {
//protect data
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
$count = 0;
if (!empty($a_course['db_name'])) {
$tbl_posts = Database :: get_course_table(TABLE_FORUM_POST, $a_course['db_name']);
$sql = "SELECT count(*) FROM $tbl_posts";
$result = Database::query($sql, __FILE__, __LINE__);
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
} else {
return null;
}
}
/**
* This function counts the number of threads by course
* @param string $course_code - Course ID
* @return int the number of threads by course
* @author Christian Fasanando < christian.fasanando @ dokeos . com > ,
* @version enero 2009, dokeos 1.8.6
*/
public static function count_number_of_threads_by_course($course_code) {
//protect data
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
$count = 0;
if (!empty($a_course['db_name'])) {
$tbl_threads = Database :: get_course_table(TABLE_FORUM_THREAD, $a_course['db_name']);
$sql = "SELECT count(*) FROM $tbl_threads";
$result = Database::query($sql, __FILE__, __LINE__);
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
} else {
return null;
}
}
/**
* This function counts the number of forums by course
* @param string $course_code - Course ID
* @return int the number of forums by course
* @author Christian Fasanando < christian.fasanando @ dokeos . com > ,
* @version enero 2009, dokeos 1.8.6
*/
public static function count_number_of_forums_by_course($course_code) {
//protect data
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
$count = 0;
if (!empty($a_course['db_name'])) {
$tbl_forums = Database :: get_course_table(TABLE_FORUM, $a_course['db_name']);
$sql = "SELECT count(*) FROM $tbl_forums";
$result = Database::query($sql, __FILE__, __LINE__);
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
} else {
return null;
}
}
/**
* This function counts the chat last connections by course in x days
* @param string $course_code - Course ID
* @param int $last_days - last x days
* @return int the chat last connections by course in x days
* @author Christian Fasanando < christian.fasanando @ dokeos . com > ,
* @version enero 2009, dokeos 1.8.6
*/
public static function chat_connections_during_last_x_days_by_course($course_code,$last_days) {
//protect data
$last_days = intval($last_days);
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
$count = 0;
if (!empty($a_course['db_name'])) {
$tbl_stats_access = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS, $a_course['db_name']);
$sql = "SELECT count(*) FROM $tbl_stats_access WHERE DATE_SUB(NOW(),INTERVAL $last_days DAY) < = access_date
AND access_cours_code = '$course_code' AND access_tool='".TOOL_CHAT."'";
$result = Database::query($sql, __FILE__, __LINE__);
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
} else {
return null;
}
}
/**
* This function gets the last student's connection in chat
* @param int $student_id - Student ID
* @param string $course_code - Course ID
* @return string the last connection
* @author Christian Fasanando < christian.fasanando @ dokeos . com > ,
* @version enero 2009, dokeos 1.8.6
*/
public static function chat_last_connection($student_id,$course_code) {
require_once (api_get_path(LIBRARY_PATH) . 'course.lib.php');
//protect datas
$student_id = intval($student_id);
$course_code = addslashes($course_code);
// get the informations of the course
$a_course = CourseManager :: get_course_information($course_code);
$date_time = '';
if (!empty($a_course['db_name'])) {
// table definition
$tbl_stats_access = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS, $a_course['db_name']);
$sql = "SELECT access_date FROM $tbl_stats_access
WHERE access_tool='".TOOL_CHAT."' AND access_user_id='$student_id' AND access_cours_code = '$course_code' ORDER BY access_date DESC limit 1";
$rs = Database::query($sql, __LINE__, __FILE__);
$row = Database::fetch_array($rs);
$last_connection = $row['access_date'];
if (!empty($last_connection)) {
$date_format_long = format_locale_date(get_lang('DateFormatLongWithoutDay'), strtotime($last_connection));
$time = explode(' ',$last_connection);
$date_time = $date_format_long.' '.$time[1];
}
return $date_time;
} else {
return null;
}
}
public static function count_student_visited_links($student_id, $course_code) {
// protect datas
$student_id = intval($student_id);
$course_code = addslashes($course_code);
// table definition
$tbl_stats_links = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LINKS);
$sql = 'SELECT 1
FROM ' . $tbl_stats_links . '
WHERE links_user_id=' . $student_id . '
AND links_cours_id="' . $course_code . '"';
$rs = Database::query($sql, __LINE__, __FILE__);
return Database::num_rows($rs);
}
public static function count_student_downloaded_documents($student_id, $course_code) {
// protect datas
$student_id = intval($student_id);
$course_code = addslashes($course_code);
// table definition
$tbl_stats_documents = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$sql = 'SELECT 1
FROM ' . $tbl_stats_documents . '
WHERE down_user_id=' . $student_id . '
AND down_cours_id="' . $course_code . '"';
$rs = Database::query($sql, __LINE__, __FILE__);
return Database::num_rows($rs);
}
public static function get_course_list_in_session_from_student($user_id, $id_session) {
$user_id = intval($user_id);
$id_session = intval($id_session);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sql = 'SELECT course_code FROM ' . $tbl_session_course_user . ' WHERE id_user="' . $user_id . '" AND id_session="' . $id_session . '"';
$result = Database::query($sql, __LINE__, __FILE__);
$a_courses = array ();
while ($row = Database::fetch_array($result)) {
$a_courses[$row['course_code']] = $row['course_code'];
}
return $a_courses;
}
public static function get_inactives_students_in_course($course_code, $since, $session_id=0)
{
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$table_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$inner = '';
if($session_id!=0)
{
$inner = ' INNER JOIN '.$tbl_session_course_user.' session_course_user
ON stats_login.course_code = session_course_user.course_code
AND session_course_user.id_session = '.intval($session_id).'
AND session_course_user.id_user = stats_login.user_id ';
}
$sql = 'SELECT user_id, MAX(login_course_date) max_date FROM'.$tbl_track_login.' stats_login'.$inner.'
GROUP BY user_id
HAVING DATE_SUB( NOW(), INTERVAL '.$since.' DAY) > max_date ';
//HAVING DATE_ADD(max_date, INTERVAL '.$since.' DAY) < NOW ( ) ' ;
if ($since == 'never') {
$sql = 'SELECT course_user.user_id FROM '.$table_course_rel_user.' course_user
LEFT JOIN '. $tbl_track_login.' stats_login
ON course_user.user_id = stats_login.user_id'.
$inner.'
WHERE course_user.course_code = \''.Database::escape_string($course_code).'\'
AND stats_login.login_course_date IS NULL
GROUP BY course_user.user_id';
}
$rs = api_sql_query($sql,__FILE__,__LINE__);
$inactive_users = array();
while($user = Database::fetch_array($rs))
{
$inactive_users[] = $user['user_id'];
}
return $inactive_users;
}
public static function count_login_per_student($student_id, $course_code) {
$student_id = intval($student_id);
$course_code = addslashes($course_code);
$tbl_course_rel_user = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$sql = 'SELECT '.$student_id.'
FROM ' . $tbl_course_rel_user . '
WHERE access_user_id=' . $student_id . '
AND access_cours_code="' . $course_code . '"';
$rs = Database::query($sql, __FILE__, __LINE__);
$nb_login = Database::num_rows($rs);
return $nb_login;
}
public static function get_student_followed_by_drh($hr_dept_id) {
$hr_dept_id = intval($hr_dept_id);
$a_students = array ();
$tbl_organism = Database :: get_main_table(TABLE_MAIN_ORGANISM);
$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
$sql = 'SELECT DISTINCT user_id FROM '.$tbl_user.' as user
WHERE hr_dept_id='.$hr_dept_id;
$rs = Database::query($sql, __FILE__, __LINE__);
while($user = Database :: fetch_array($rs))
{
$a_students[$user['user_id']] = $user['user_id'];
}
return $a_students;
}
/**
* allow get average of test of scorm and lp
* @author isaac flores paz < florespaz @ bidsoftperu . com >
* @param int the user id
* @param string the course id
*/
public static function get_average_test_scorm_and_lp ($user_id,$course_id) {
//the score inside the Reporting table
$course_info=api_get_course_info($course_id);
$lp_table = Database :: get_course_table(TABLE_LP_MAIN,$course_info['dbName']);
$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course_info['dbName']);
$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course_info['dbName']);
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course_info['dbName']);
$sql_type='SELECT id,lp_type FROM '.$lp_table;
$rs_type=Database::query($sql_type);
$average_data=0;
$count_loop=0;
while ($row_type=Database::fetch_array($rs_type)) {
if ($row_type['lp_type']==1) {//lp dokeos
$sql = "SELECT id FROM $lp_view_table WHERE user_id = '".intval($user_id)."' and lp_id='".$row_type['id']."'";
$rs_last_lp_view_id = Database::query($sql, __FILE__, __LINE__);
$lp_view_id = intval(Database::result($rs_last_lp_view_id,0,'id'));
$sql_list_view='SELECT li.max_score,lv.user_id,liw.score,(liw.score/li.max_score) as sum_data FROM '.$lp_item_table.' li INNER JOIN '.$lp_view_table.' lv
ON li.lp_id=lv.lp_id INNER JOIN '.$lp_item_view_table.' liw ON liw.lp_item_id=li.id WHERE lv.user_id="'.$user_id.'" AND li.item_type="quiz" AND liw.lp_view_id="'.$lp_view_id.'"';
$sum=0;
$tot=0;
$rs_list_view1=Database::query($sql_list_view,__FILE__,__LINE__);
while ($row_list_view=Database::fetch_array($rs_list_view1)) {
$sum=$sum+$row_list_view['sum_data'];
$tot++;
}
if ($tot==0) {
$tot=1;
}
$average_data1=$sum/$tot;
$sql_list_view='';
$rs_last_lp_view_id='';
} elseif ($row_type['lp_type']==2) {//lp scorm
$sql = "SELECT id FROM $lp_view_table WHERE user_id = '".intval($user_id)."' and lp_id='".$row_type['id']."'";
$rs_last_lp_view_id = Database::query($sql, __FILE__, __LINE__);
$lp_view_id = intval(Database::result($rs_last_lp_view_id,0,'id'));
$sql_list_view='SELECT li.max_score,lv.user_id,liw.score,((liw.score/li.max_score)*100) as sum_data FROM '.$lp_item_table.' li INNER JOIN '.$lp_view_table.' lv
ON li.lp_id=lv.lp_id INNER JOIN '.$lp_item_view_table.' liw ON liw.lp_item_id=li.id WHERE lv.user_id="'.$user_id.'" AND li.item_type="sco" AND liw.lp_view_id="'.$lp_view_id.'"';
$tot=0;
$sum=0;
$rs_list_view2=Database::query($sql_list_view,__FILE__,__LINE__);
while ($row_list_view=Database::fetch_array($rs_list_view2)) {
$sum=$sum+$row_list_view['sum_data'];
$tot++;
}
if ($tot==0) {
$tot=1;
}
$average_data2=$sum/$tot;
}
$average_data_sum=$average_data_sum+$average_data1+$average_data2;
$average_data2=0;
$average_data1=0;
$count_loop++;
}
if ((int)$count_loop > 0) {
$avg_student_score = round(($average_data_sum / $count_loop * 100), 2);
}
return $avg_student_score;
}
}
class TrackingCourseLog {
function count_item_resources() {
$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$sql = "SELECT count(tool) AS total_number_of_items FROM $table_item_property track_resource, $table_user user" .
" WHERE track_resource.insert_user_id = user.user_id";
if (isset($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " AND (user.username LIKE '%".$keyword."%' OR lastedit_type LIKE '%".$keyword."%' OR tool LIKE '%".$keyword."%')";
}
$sql .= " AND tool IN ('document', 'learnpath', 'quiz', 'glossary', 'link', 'course_description')";
$res = Database::query($sql, __FILE__, __LINE__);
$obj = Database::fetch_object($res);
return $obj->total_number_of_items;
}
function get_item_resources_data($from, $number_of_items, $column, $direction) {
global $dateTimeFormatLong;
$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$table_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$sql = "SELECT
tool as col0,
lastedit_type as col1,
ref as ref,
user.username as col3,
insert_date as col5,
visibility as col6
FROM $table_item_property track_resource, $table_user user
WHERE track_resource.insert_user_id = user.user_id ";
if (isset($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " AND (user.username LIKE '%".$keyword."%' OR lastedit_type LIKE '%".$keyword."%' OR tool LIKE '%".$keyword."%') ";
}
$sql .= " AND tool IN ('document', 'learnpath', 'quiz', 'glossary', 'link', 'course_description')";
if ($column == 0) { $column = '0'; }
if ($column != '' & & $direction != '') {
if ($column != 2 & & $column != 4) {
$sql .= " ORDER BY col$column $direction";
}
} else {
$sql .= " ORDER BY col5 DESC ";
}
$sql .= " LIMIT $from, $number_of_items ";
$res = Database::query($sql, __FILE__, __LINE__) or die(mysql_error());
$resources = array ();
while ($row = Database::fetch_array($res)) {
$ref = $row['ref'];
$table_name = TrackingCourseLog::get_tool_name_table($row['col0']);
$table_tool = Database :: get_course_table($table_name['table_name']);
$id = $table_name['id_tool'];
$query = "SELECT session.id, session.name, user.username FROM $table_tool tool, $table_session session, $table_user user" .
" WHERE tool.session_id = session.id AND session.id_coach = user.user_id AND tool.$id = $ref";
$recorset = Database::query($query, __FILE__, __LINE__);
if (!empty($recorset)) {
$obj = Database::fetch_object($recorset);
$name_session = '';
$coach_name = '';
if (!empty($obj)) {
$name_session = $obj->name;
$coach_name = $obj->username;
}
$url_tool = api_get_path(WEB_CODE_PATH).$table_name['link_tool'];
$row[0] = '';
if ($row['col6'] != 2) {
$row[0] = '< a href = "'.$url_tool.'?'.api_get_cidreq().'&'.$obj->id.'" > '.api_ucfirst($row['col0']).'< / a > ';
} else {
$row[0] = api_ucfirst($row['col0']);
}
$row[1] = get_lang($row[1]);
$row[5] = api_ucfirst(format_locale_date($dateTimeFormatLong, strtotime($row['col5'])));
$row[4] = '';
if ($table_name['table_name'] == 'document') {
$condition = 'tool.title as title';
$query_document = "SELECT $condition FROM $table_tool tool" .
" WHERE id = $ref";
$rs_document = Database::query($query_document, __FILE__, __LINE__) or die(mysql_error());
$obj_document = Database::fetch_object($rs_document);
$row[4] = $obj_document->title;
}
$row2 = $name_session;
if (!empty($coach_name)) {
$row2 .= '< br / > '.get_lang('Coach').': '.$coach_name;
}
$row[2] = $row2;
$resources[] = $row;
}
}
return $resources;
}
function get_tool_name_table($tool) {
switch ($tool) {
case 'document':
$table_name = TABLE_DOCUMENT;
$link_tool = 'document/document.php';
$id_tool = 'id';
break;
case 'learnpath':
$table_name = TABLE_LP_MAIN;
$link_tool = 'newscorm/lp_controller.php';
$id_tool = 'id';
break;
case 'quiz':
$table_name = TABLE_QUIZ_TEST;
$link_tool = 'exercice/exercice.php';
$id_tool = 'id';
break;
case 'glossary':
$table_name = TABLE_GLOSSARY;
$link_tool = 'glossary/index.php';
$id_tool = 'glossary_id';
break;
case 'link':
$table_name = TABLE_LINK;
$link_tool = 'link/link.php';
$id_tool = 'id';
break;
case 'course_description':
$table_name = TABLE_COURSE_DESCRIPTION;
$link_tool = 'course_description/';
$id_tool = 'id';
break;
default:
$table_name = $tool;
break;
}
return array('table_name' => $table_name,
'link_tool' => $link_tool,
'id_tool' => $id_tool);
}
function display_additional_profile_fields() {
// getting all the extra profile fields that are defined by the platform administrator
$extra_fields = UserManager :: get_extra_fields(0,50,5,'ASC');
// creating the form
$return = '< form action = "courseLog.php" method = "get" name = "additional_profile_field_form" id = "additional_profile_field_form" > ';
// the select field with the additional user profile fields (= this is where we select the field of which we want to see
// the information the users have entered or selected.
$return .= '< select name = "additional_profile_field" > ';
$return .= '< option value = "-" > '.get_lang('SelectFieldToAdd').'< / option > ';
foreach ($extra_fields as $key=>$field) {
// show only extra fields that are visible, added by J.Montoya
if ($field[6]==1) {
if ($field[0] == $_GET['additional_profile_field'] ) {
$selected = 'selected="selected"';
} else {
$selected = '';
}
$return .= '< option value = "'.$field[0].'" ' . $ selected . ' > '.$field[3].'< / option > ';
}
}
$return .= '< / select > ';
// the form elements for the $_GET parameters (because the form is passed through GET
foreach ($_GET as $key=>$value){
if ($key < > 'additional_profile_field') {
$return .= '< input type = "hidden" name = "'.$key.'" value = "'.Security::Remove_XSS($value).'" / > ';
}
}
// the submit button
$return .= '< button class = "save" type = "submit" > '.get_lang('AddAdditionalProfileField').'< / button > ';
$return .= '< / form > ';
return $return;
}
/**
* This function gets all the information of a certrain ($field_id) additional profile field.
* It gets the information of all the users so that it can be displayed in the sortable table or in the csv or xls export
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @since October 2009
* @version 1.8.7
*/
function get_addtional_profile_information_of_field($field_id){
// Database table definition
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
$sql = "SELECT user.user_id, field.field_value FROM $table_user user, $table_user_field_values field
WHERE user.user_id = field.user_id
AND field.field_id='".intval($field_id)."'";
$result = api_sql_query($sql,__FILE__,__LINE__);
while($row = Database::fetch_array($result))
{
$return[$row['user_id']][] = $row['field_value'];
}
return $return;
}
/**
* This function gets all the information of a certrain ($field_id) additional profile field for a specific list of users is more efficent than get_addtional_profile_information_of_field() function
* It gets the information of all the users so that it can be displayed in the sortable table or in the csv or xls export
*
* @author Julio Montoya < gugli100 @ gmail . com >
* @param int field id
* @param array list of user ids
* @return array
* @since Nov 2009
* @version 1.8.6.2
*/
function get_addtional_profile_information_of_field_by_user($field_id, $users) {
// Database table definition
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
$result_extra_field = UserManager::get_extra_field_information($field_id);
if (!empty($users)) {
if ($result_extra_field['field_type'] == USER_FIELD_TYPE_TAG ) {
foreach($users as $user_id) {
$user_result = UserManager::get_user_tags($user_id, $field_id);
$tag_list = array();
foreach($user_result as $item) {
$tag_list[] = $item['tag'];
}
$return[$user_id][] = implode(', ',$tag_list);
}
} else {
$new_user_array = array();
foreach($users as $user_id) {
$new_user_array[]= "'".$user_id."'";
}
$users = implode(',',$new_user_array);
//selecting only the necessary information NOT ALL the user list
$sql = "SELECT user.user_id, field.field_value FROM $table_user user INNER JOIN $table_user_field_values field
ON (user.user_id = field.user_id)
WHERE field.field_id=".intval($field_id)." AND user.user_id IN ($users)";
$result = api_sql_query($sql,__FILE__,__LINE__);
while($row = Database::fetch_array($result)) {
// get option value for field type double select by id
if (!empty($row['field_value'])) {
if ($result_extra_field['field_type'] == USER_FIELD_TYPE_DOUBLE_SELECT) {
$id_double_select = explode(';',$row['field_value']);
if (is_array($id_double_select)) {
$value1 = $result_extra_field['options'][$id_double_select[0]]['option_value'];
$value2 = $result_extra_field['options'][$id_double_select[1]]['option_value'];
$row['field_value'] = ($value1.';'.$value2);
}
}
}
// get other value from extra field
$return[$row['user_id']][] = $row['field_value'];
}
}
}
return $return;
}
/**
* count the number of students in this course (used for SortableTable)
* Deprecated
*/
function count_student_in_course() {
global $nbStudents;
return $nbStudents;
}
function sort_users($a, $b) {
return strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
}
function sort_users_desc($a, $b) {
return strcmp( trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
}
/**
* Get number of users for sortable with pagination
* @return int
*/
function get_number_of_users() {
global $user_ids;
return count($user_ids);
}
/**
* Get data for users list in sortable with pagination
* @return array
*/
function get_user_data($from, $number_of_items, $column, $direction) {
global $user_ids, $course_code, $additional_user_profile_info, $export_csv, $is_western_name_order, $csv_content;
$course_code = Database::escape_string($course_code);
$course_info = CourseManager :: get_course_information($course_code);
$tbl_track_cours_access = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
$tbl_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY, $course_info['db_name']);
$tbl_forum_post = Database :: get_course_table(TABLE_FORUM_POST, $course_info['db_name']);
$tbl_course_lp_view = Database :: get_course_table(TABLE_LP_VIEW, $course_info['db_name']);
$tbl_course_lp = Database :: get_course_table(TABLE_LP_MAIN, $course_info['db_name']);
// get all users data from a course for sortable with limit
$condition_user = "";
if (is_array($user_ids)) {
$condition_user = " WHERE user.user_id IN (".implode(',',$user_ids).") ";
} else {
$condition_user = " WHERE user.user_id = '$user_ids' ";
}
$sql = "SELECT user.user_id as col0,
user.official_code as col1,
user.lastname as col2,
user.firstname as col3
FROM $tbl_user as user
$condition_user ";
if (!in_array($direction, array('ASC','DESC'))) {
$direction = 'ASC';
}
$column = intval($column);
$from = intval($from);
$number_of_items = intval($number_of_items);
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = Database::query($sql, __FILE__, __LINE__);
$users = array ();
$t = time();
$row = array();
while ($user = Database::fetch_row($res)) {
$row[0] = $user[1];
if ($is_western_name_order) {
$row[1] = $user[3];
$row[2] = $user[2];
} else {
$row[1] = $user[2];
$row[2] = $user[3];
}
$row[3] = api_time_to_hms(Tracking::get_time_spent_on_the_course($user[0], $course_code));
$avg_student_score = Tracking::get_average_test_scorm_and_lp($user[0], $course_code);
$avg_student_progress = Tracking::get_avg_student_progress($user[0], $course_code);
if (empty($avg_student_score)) {$avg_student_score=0;}
if (empty($avg_student_progress)) {$avg_student_progress=0;}
$row[4] = $avg_student_progress.'%';
$row[5] = $avg_student_score.'%';
$row[6] = Tracking::count_student_assignments($user[0], $course_code);$user[4];
$row[7] = Tracking::count_student_messages($user[0], $course_code);//$user[5];
$row[8] = Tracking::get_first_connection_date_on_the_course($user[0], $course_code);
$row[9] = Tracking::get_last_connection_date_on_the_course($user[0], $course_code);
// we need to display an additional profile field
if (isset($_GET['additional_profile_field']) AND is_numeric($_GET['additional_profile_field'])) {
if (is_array($additional_user_profile_info[$user[0]])) {
$row[10]=implode(', ', $additional_user_profile_info[$user[0]]);
} else {
$row[10]=' ';
}
}
$row[11] = '< center > < a href = "../mySpace/myStudents.php?student='.$user[0].'&details=true&course='.$course_code.'&origin=tracking_course" > < img src = "'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border = "0" / > < / a > < / center > ';
if ($export_csv) {
$row[8] = strip_tags($row[8]);
$row[9] = strip_tags($row[9]);
unset($row[10]);
unset($row[11]);
$csv_content[] = $row;
}
// store columns in array $users
$users[] = array($row[0],$row[1],$row[2],$row[3],$row[4],$row[5],$row[6],$row[7],$row[8],$row[9],$row[10],$row[11]);
}
return $users;
}
}
class TrackingUserLog {
/**
* Displays the number of logins every month for a specific user in a specific course.
*/
function display_login_tracking_info($view, $user_id, $course_id)
{
$MonthsLong = $GLOBALS['MonthsLong'];
$track_access_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$tempView = $view;
if(substr($view,0,1) == '1') {
$new_view = substr_replace($view,'0',0,1);
echo "
< tr >
< td valign = 'top' >
< font color = '#0000FF' > - < / font > " .
"< b > ".get_lang('LoginsAndAccessTools')."< / b > [< a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' > ".get_lang('Close')."< / a > ] [< a href = 'userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET[' uInfo ' ] ) . " & view = 10000' > ".get_lang('ExportAsCSV')."< / a > ]
< / td >
< / tr >
";
echo "< tr > < td style = 'padding-left : 40px;' valign = 'top' > ".get_lang('LoginsDetails')."< br > ";
$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
FROM $track_access_table
WHERE access_user_id = '".Database::escape_string($user_id)."'
AND access_cours_code = '".Database::escape_string($course_id)."'
GROUP BY YEAR(access_date),MONTH(access_date)
ORDER BY YEAR(access_date),MONTH(access_date) ASC";
echo "< tr > < td style = 'padding-left : 40px;padding-right : 40px;' > ";
//$results = getManyResults2Col($sql);
$results = getManyResults3Col($sql);
echo "< table cellpadding = '2' cellspacing = '1' border = '0' align = center > ";
echo "< tr >
< td class = 'secLine' >
".get_lang('LoginsTitleMonthColumn')."
< / td >
< td class = 'secLine' >
".get_lang('LoginsTitleCountColumn')."
< / td >
< / tr > ";
$total = 0;
if (is_array($results)) {
for($j = 0 ; $j < count ( $ results ) ; $ j + + ) {
echo "< tr > ";
//echo "< td class = 'content' > < a href = 'logins_details.php?uInfo=$user_id&reqdate=".$results[$j][0]."' > ".$langMonthNames['long'][date("n", $results[$j][0])-1]." ".date("Y", $results[$j][0])."< / a > < / td > ";
echo "< td class = 'content' > < a href = 'logins_details.php?uInfo=".Security::remove_XSS($user_id)."&reqdate=".$results[$j][0]."&view=".Security::remove_XSS($view)."' > ".$MonthsLong[date('n', $results[$j][0])-1].' '.date('Y', $results[$j][0])."< / a > < / td > ";
echo "< td valign = 'top' align = 'right' class = 'content' > ".$results[$j][1]."< / td > ";
echo"< / tr > ";
$total = $total + $results[$j][1];
}
echo "< tr > ";
echo "< td > ".get_lang('Total')."< / td > ";
echo "< td align = 'right' class = 'content' > ".$total."< / td > ";
echo"< / tr > ";
} else {
echo "< tr > ";
echo "< td colspan = '2' > < center > ".get_lang('NoResult')."< / center > < / td > ";
echo"< / tr > ";
}
echo "< / table > ";
echo "< / td > < / tr > ";
} else {
$new_view = substr_replace($view,'1',0,1);
echo "
< tr >
< td valign = 'top' >
+< font color = '#0000FF' > < / font > < a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class = 'specialLink' > ".get_lang('LoginsAndAccessTools')."< / a >
< / td >
< / tr >
";
}
}
/**
* Displays the exercise results for a specific user in a specific course.
* @todo remove globals
*/
function display_exercise_tracking_info($view, $user_id, $course_id)
{
global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES;
if(substr($view,1,1) == '1')
{
$new_view = substr_replace($view,'0',1,1);
echo "< tr >
< td valign = 'top' >
< font color = '#0000FF' > - < / font > < b > ".get_lang('ExercicesResults')."< / b > [< a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' > ".get_lang('Close')."< / a > ] [< a href = 'userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET[' uInfo ' ] ) . " & view = 01000' > ".get_lang('ExportAsCSV')."< / a > ]
< / td >
< / tr > ";
echo "< tr > < td style = 'padding-left : 40px;' valign = 'top' > ".get_lang('ExercicesDetails')."< br / > ";
$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TABLECOURSE_EXERCICES AS ce , $TABLETRACK_EXERCICES AS te
WHERE te.exe_cours_id = '".Database::escape_string($course_id)."'
AND te.exe_user_id = '".Database::escape_string($user_id)."'
AND te.exe_exo_id = ce.id
ORDER BY ce.title ASC, te.exe_date ASC";
$hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TBL_TRACK_HOTPOTATOES AS te
WHERE te.exe_user_id = '".Database::escape_string($user_id)."' AND te.exe_cours_id = '".Database::escape_string($course_id)."'
ORDER BY te.exe_cours_id ASC, te.exe_date ASC";
$hpresults = getManyResultsXCol($hpsql, 4);
$NoTestRes = 0;
$NoHPTestRes = 0;
echo "< tr > \n< td style = 'padding-left : 40px;padding-right : 40px;' > \n";
$results = getManyResultsXCol($sql, 4);
echo "< table cellpadding = '2' cellspacing = '1' border = '0' align = 'center' > \n";
echo "
< tr bgcolor = '#E6E6E6' >
< td >
".get_lang('ExercicesTitleExerciceColumn')."
< / td >
< td >
".get_lang('Date')."
< / td >
< td >
".get_lang('ExercicesTitleScoreColumn')."
< / td >
< / tr > ";
if (is_array($results)) {
for($i = 0; $i < sizeof ( $ results ) ; $ i + + ) {
$display_date = format_locale_date(get_lang('dateTimeFormatLong'), $results[$i][3]);
echo "< tr > \n";
echo "< td class = 'content' > ".$results[$i][0]."< / td > \n";
echo "< td class = 'content' > ".$display_date."< / td > \n";
echo "< td valign = 'top' align = 'right' class = 'content' > ".$results[$i][1]." / ".$results[$i][2]."< / td > \n";
echo "< / tr > \n";
}
} else {
// istvan begin
$NoTestRes = 1;
}
// The Result of Tests
if(is_array($hpresults)) {
for($i = 0; $i < sizeof ( $ hpresults ) ; $ i + + ) {
$title = GetQuizName($hpresults[$i][0],'');
if ($title == '')
$title = basename($hpresults[$i][0]);
$display_date = format_locale_date(get_lang('dateTimeFormatLong'), $hpresults[$i][3]);
?>
< tr >
< td class = "content" > <?php echo $title ; ?> </ td >
< td class = "content" align = "center" > <?php echo $display_date ; ?> </ td >
< td class = "content" align = "center" > <?php echo $hpresults [ $i ][ 1 ]; ?> / <?php echo $hpresults [ $i ][ 2 ]; ?> </ td >
< / tr >
<?php }
} else {
$NoHPTestRes = 1;
}
if ($NoTestRes == 1 & & $NoHPTestRes == 1) {
echo "< tr > \n";
echo "< td colspan = '3' > < center > ".get_lang('NoResult')."< / center > < / td > \n";
echo "< / tr > \n";
}
echo "< / table > ";
echo "< / td > \n< / tr > \n";
} else {
$new_view = substr_replace($view,'1',1,1);
echo "
< tr >
< td valign = 'top' >
+< font color = '#0000FF' > < / font > < a href = '".api_get_self()."?uInfo=$user_id&view=".$new_view."' class = 'specialLink' > ".get_lang('ExercicesResults')."< / a >
< / td >
< / tr > ";
}
}
/**
* Displays the student publications for a specific user in a specific course.
* @todo remove globals
*/
function display_student_publications_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK, $dateTimeFormatLong, $_course;
if(substr($view,2,1) == '1') {
$new_view = substr_replace($view,'0',2,1);
echo "< tr >
< td valign = 'top' >
< font color = '#0000FF' > - < / font > < b > ".get_lang('WorkUploads')."< / b > [< a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' > ".get_lang('Close')."< / a > ] [< a href = 'userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET[' uInfo ' ] ) . " & view = 00100' > ".get_lang('ExportAsCSV')."< / a > ]
< / td >
< / tr > ";
echo "< tr > < td style = 'padding-left : 40px;' valign = 'top' > ".get_lang('WorksDetails')."< br > ";
$sql = "SELECT u.upload_date, w.title, w.author,w.url
FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
WHERE u.upload_work_id = w.id
AND u.upload_user_id = '".Database::escape_string($user_id)."'
AND u.upload_cours_id = '".Database::escape_string($course_id)."'
ORDER BY u.upload_date DESC";
echo "< tr > < td style = 'padding-left : 40px;padding-right : 40px;' > ";
$results = getManyResultsXCol($sql,4);
echo "< table cellpadding = '2' cellspacing = '1' border = '0' align = center > ";
echo "< tr >
< td class = 'secLine' width = '40%' >
".get_lang('WorkTitle')."
< / td >
< td class = 'secLine' width = '30%' >
".get_lang('WorkAuthors')."
< / td >
< td class = 'secLine' width = '30%' >
".get_lang('Date')."
< / td >
< / tr > ";
if (is_array($results)) {
for($j = 0 ; $j < count ( $ results ) ; $ j + + ) {
$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
$timestamp = strtotime($results[$j][0]);
$beautifulDate = format_locale_date($dateTimeFormatLong,$timestamp);
echo "< tr > ";
echo "< td class = 'content' > "
."< a href = '".$pathToFile."' > ".$results[$j][1]."< / a > "
."< / td > ";
echo "< td class = 'content' > ".$results[$j][2]."< / td > ";
echo "< td class = 'content' > ".$beautifulDate."< / td > ";
echo"< / tr > ";
}
} else {
echo "< tr > ";
echo "< td colspan = '3' > < center > ".get_lang('NoResult')."< / center > < / td > ";
echo"< / tr > ";
}
echo "< / table > ";
echo "< / td > < / tr > ";
} else {
$new_view = substr_replace($view,'1',2,1);
echo "
< tr >
< td valign = 'top' >
+< font color = '#0000FF' > < / font > < a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class = 'specialLink' > ".get_lang('WorkUploads')."< / a >
< / td >
< / tr >
";
}
}
/**
* Displays the links followed for a specific user in a specific course.
* @todo remove globals
*/
function display_links_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
if(substr($view,3,1) == '1') {
$new_view = substr_replace($view,'0',3,1);
echo "
< tr >
< td valign = 'top' >
< font color = '#0000FF' > - < / font > < b > ".get_lang('LinksAccess')."< / b > [< a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' > ".get_lang('Close')."< / a > ] [< a href = 'userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET[' uInfo ' ] ) . " & view = 00010' > ".get_lang('ExportAsCSV')."< / a > ]
< / td >
< / tr >
";
echo "< tr > < td style = 'padding-left : 40px;' valign = 'top' > ".get_lang('LinksDetails')."< br > ";
$sql = "SELECT cl.title, cl.url
FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
WHERE sl.links_link_id = cl.id
AND sl.links_cours_id = '".Database::escape_string($course_id)."'
AND sl.links_user_id = '".Database::escape_string($user_id)."'
GROUP BY cl.title, cl.url";
echo "< tr > < td style = 'padding-left : 40px;padding-right : 40px;' > ";
$results = getManyResults2Col($sql);
echo "< table cellpadding = '2' cellspacing = '1' border = '0' align = center > ";
echo "< tr >
< td class = 'secLine' >
".get_lang('LinksTitleLinkColumn')."
< / td >
< / tr > ";
if (is_array($results)) {
for($j = 0 ; $j < count ( $ results ) ; $ j + + ) {
echo "< tr > ";
echo "< td class = 'content' > < a href = '".$results[$j][1]."' > ".$results[$j][0]."< / a > < / td > ";
echo"< / tr > ";
}
} else {
echo "< tr > ";
echo "< td > < center > ".get_lang('NoResult')."< / center > < / td > ";
echo"< / tr > ";
}
echo "< / table > ";
echo "< / td > < / tr > ";
} else {
$new_view = substr_replace($view,'1',3,1);
echo "
< tr >
< td valign = 'top' >
+< font color = '#0000FF' > < / font > < a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class = 'specialLink' > ".get_lang('LinksAccess')."< / a >
< / td >
< / tr >
";
}
}
/**
* Displays the documents downloaded for a specific user in a specific course.
*/
function display_document_tracking_info($view, $user_id, $course_id)
{
$downloads_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
if(substr($view,4,1) == '1')
{
$new_view = substr_replace($view,'0',4,1);
echo "
< tr >
< td valign = 'top' >
< font color = '#0000FF' > - < / font > < b > ".get_lang('DocumentsAccess')."< / b > [< a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' > ".get_lang('Close')."< / a > ] [< a href = 'userLogCSV.php?".api_get_cidreq()."&uInfo=".Security::remove_XSS($_GET[' uInfo ' ] ) . " & view = 00001' > ".get_lang('ExportAsCSV')."< / a > ]
< / td >
< / tr >
";
echo "< tr > < td style = 'padding-left : 40px;' valign = 'top' > ".get_lang('DocumentsDetails')."< br > ";
$sql = "SELECT down_doc_path
FROM $downloads_table
WHERE down_cours_id = '".Database::escape_string($course_id)."'
AND down_user_id = '".Database::escape_string($user_id)."'
GROUP BY down_doc_path";
echo "< tr > < td style = 'padding-left : 40px;padding-right : 40px;' > ";
$results = getManyResults1Col($sql);
echo "< table cellpadding = '2' cellspacing = '1' border = '0' align = 'center' > ";
echo "< tr >
< td class = 'secLine' >
".get_lang('DocumentsTitleDocumentColumn')."
< / td >
< / tr > ";
if (is_array($results)) {
for($j = 0 ; $j < count ( $ results ) ; $ j + + ) {
echo "< tr > ";
echo "< td class = 'content' > ".$results[$j]."< / td > ";
echo"< / tr > ";
}
} else {
echo "< tr > ";
echo "< td > < center > ".get_lang('NoResult')."< / center > < / td > ";
echo"< / tr > ";
}
echo "< / table > ";
echo "< / td > < / tr > ";
} else {
$new_view = substr_replace($view,'1',4,1);
echo "
< tr >
< td valign = 'top' >
+< font color = '#0000FF' > < / font > < a href = '".api_get_self()."?uInfo=".Security::remove_XSS($user_id)."&view=".Security::remove_XSS($new_view)."' class = 'specialLink' > ".get_lang('DocumentsAccess')."< / a >
< / td >
< / tr >
";
}
}
}
class TrackingUserLogCSV {
/**
* Displays the number of logins every month for a specific user in a specific course.
*/
function display_login_tracking_info($view, $user_id, $course_id)
{
$MonthsLong = $GLOBALS['MonthsLong'];
$track_access_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$tempView = $view;
if(substr($view,0,1) == '1')
{
$new_view = substr_replace($view,'0',0,1);
$title[1]= get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
$sql = "SELECT UNIX_TIMESTAMP(`access_date`), count(`access_date`)
FROM $track_access_table
WHERE `access_user_id` = '$user_id'
AND `access_cours_code` = '".$course_id."'
GROUP BY YEAR(`access_date`),MONTH(`access_date`)
ORDER BY YEAR(`access_date`),MONTH(`access_date`) ASC";
//$results = getManyResults2Col($sql);
$results = getManyResults3Col($sql);
$title_line= get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
$line='';
$total = 0;
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j][0].';'.$results[$j][1]."\n";
$total = $total + $results[$j][1];
}
$line .= get_lang('Total').";".$total."\n";
}
else
{
$line= get_lang('NoResult')."< / center > < / td > ";
}
}
else
{
$new_view = substr_replace($view,'1',0,1);
}
return array($title_line, $line);
}
/**
* Displays the exercise results for a specific user in a specific course.
* @todo remove globals
*/
function display_exercise_tracking_info($view, $user_id, $course_id)
{
global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $TABLETRACK_HOTPOTATOES;
if(substr($view,1,1) == '1')
{
$new_view = substr_replace($view,'0',1,1);
$title[1]= get_lang('ExercicesDetails');
$line='';
$sql = "SELECT `ce`.`title`, `te`.`exe_result` , `te`.`exe_weighting`, UNIX_TIMESTAMP(`te`.`exe_date`)
FROM $TABLECOURSE_EXERCICES AS ce , `$TABLETRACK_EXERCICES` AS `te`
WHERE `te`.`exe_cours_id` = '$course_id'
AND `te`.`exe_user_id` = '$user_id'
AND `te`.`exe_exo_id` = `ce`.`id`
ORDER BY `ce`.`title` ASC, `te`.`exe_date` ASC";
$hpsql = "SELECT `te`.`exe_name`, `te`.`exe_result` , `te`.`exe_weighting`, UNIX_TIMESTAMP(`te`.`exe_date`)
FROM `$TABLETRACK_HOTPOTATOES` AS te
WHERE `te`.`exe_user_id` = '$user_id' AND `te`.`exe_cours_id` = '$course_id'
ORDER BY `te`.`exe_cours_id` ASC, `te`.`exe_date` ASC";
$hpresults = getManyResultsXCol($hpsql, 4);
$NoTestRes = 0;
$NoHPTestRes = 0;
$results = getManyResultsXCol($sql, 4);
$title_line=get_lang('ExercicesTitleExerciceColumn').";".get_lang('Date').';'.get_lang('ExercicesTitleScoreColumn')."\n";
if (is_array($results))
{
for($i = 0; $i < sizeof ( $ results ) ; $ i + + )
{
$display_date = format_locale_date(get_lang('dateTimeFormatLong'), $results[$i][3]);
$line .= $results[$i][0].";".$display_date.";".$results[$i][1]." / ".$results[$i][2]."\n";
}
}
else // istvan begin
{
$NoTestRes = 1;
}
// The Result of Tests
if(is_array($hpresults))
{
for($i = 0; $i < sizeof ( $ hpresults ) ; $ i + + )
{
$title = GetQuizName($hpresults[$i][0],'');
if ($title == '')
$title = basename($hpresults[$i][0]);
$display_date = format_locale_date(get_lang('dateTimeFormatLong'), $hpresults[$i][3]);
$line .= $title.';'.$display_date.';'.$hpresults[$i][1].'/'.$hpresults[$i][2]."\n";
}
}
else
{
$NoHPTestRes = 1;
}
if ($NoTestRes == 1 & & $NoHPTestRes == 1)
{
$line=get_lang('NoResult');
}
}
else
{
$new_view = substr_replace($view,'1',1,1);
}
return array($title_line, $line);
}
/**
* Displays the student publications for a specific user in a specific course.
* @todo remove globals
*/
function display_student_publications_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK, $dateTimeFormatLong;
if(substr($view,2,1) == '1')
{
$new_view = substr_replace($view,'0',2,1);
$sql = "SELECT `u`.`upload_date`, `w`.`title`, `w`.`author`,`w`.`url`
FROM `$TABLETRACK_UPLOADS` `u` , $TABLECOURSE_WORK `w`
WHERE `u`.`upload_work_id` = `w`.`id`
AND `u`.`upload_user_id` = '$user_id'
AND `u`.`upload_cours_id` = '$course_id'
ORDER BY `u`.`upload_date` DESC";
$results = getManyResultsXCol($sql,4);
$title[1]=get_lang('WorksDetails');
$line='';
$title_line=get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
$timestamp = strtotime($results[$j][0]);
$beautifulDate = format_locale_date($dateTimeFormatLong,$timestamp);
$line .= $results[$j][1].";".$results[$j][2].";".$beautifulDate."\n";
}
}
else
{
$line= get_lang('NoResult');
}
}
else
{
$new_view = substr_replace($view,'1',2,1);
}
return array($title_line, $line);
}
/**
* Displays the links followed for a specific user in a specific course.
* @todo remove globals
*/
function display_links_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
if(substr($view,3,1) == '1')
{
$new_view = substr_replace($view,'0',3,1);
$title[1]=get_lang('LinksDetails');
$sql = "SELECT `cl`.`title`, `cl`.`url`
FROM `$TABLETRACK_LINKS` AS sl, $TABLECOURSE_LINKS AS cl
WHERE `sl`.`links_link_id` = `cl`.`id`
AND `sl`.`links_cours_id` = '$course_id'
AND `sl`.`links_user_id` = '$user_id'
GROUP BY `cl`.`title`, `cl`.`url`";
$results = getManyResults2Col($sql);
$title_line= get_lang('LinksTitleLinkColumn')."\n";
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j][0]."\n";
}
}
else
{
$line=get_lang('NoResult');
}
}
else
{
$new_view = substr_replace($view,'1',3,1);
}
return array($title_line, $line);
}
/**
* Displays the documents downloaded for a specific user in a specific course.
*/
function display_document_tracking_info($view, $user_id, $course_id)
{
$downloads_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
if(substr($view,4,1) == '1')
{
$new_view = substr_replace($view,'0',4,1);
$title[1]= get_lang('DocumentsDetails');
$sql = "SELECT `down_doc_path`
FROM $downloads_table
WHERE `down_cours_id` = '$course_id'
AND `down_user_id` = '$user_id'
GROUP BY `down_doc_path`";
$results = getManyResults1Col($sql);
$title_line = get_lang('DocumentsTitleDocumentColumn')."\n";
if (is_array($results))
{
for($j = 0 ; $j < count ( $ results ) ; $ j + + )
{
$line .= $results[$j]."\n";
}
}
else
{
$line=get_lang('NoResult');
}
}
else
{
$new_view = substr_replace($view,'1',4,1);
}
return array($title_line, $line);
}
}
?>
