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- <?php // $Id: index.php 16620 2008-10-25 20:03:54Z yannoo $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2009 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- 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
- ==============================================================================
- */
- /**
- * @todo use constant for $this_section
- */
- // name of the language file that needs to be included
- $language_file = array ('registration', 'index','tracking');
- $cidReset=true;
- require ('../inc/global.inc.php');
- require (api_get_path(LIBRARY_PATH).'tracking.lib.php');
- require_once(api_get_path(LIBRARY_PATH).'course.lib.php');
- require_once(api_get_path(LIBRARY_PATH).'export.lib.inc.php');
- ob_start();
- $export_csv = isset($_GET['export']) && $_GET['export'] == 'csv' ? true : false;
- $csv_content = array();
- $nameTools= get_lang("MySpace");
- $this_section = "session_my_space";
-
- // access control
- api_block_anonymous_users();
- if(!$export_csv)
- {
- Display :: display_header($nameTools);
- }
- else
- {
- if ($_GET['view'] == 'admin' AND $_GET['display'] == 'useroverview')
- {
- export_tracking_user_overview();
- exit;
- }
- }
-
- // Database table definitions
- $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
- $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- $tbl_class = Database :: get_main_table(TABLE_MAIN_CLASS);
- $tbl_sessions = Database :: get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_user = Database :: get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_admin = Database :: get_main_table(TABLE_MAIN_ADMIN);
- /********************
- * FUNCTIONS
- ********************/
-
- function count_teacher_courses()
- {
- global $nb_teacher_courses;
- return $nb_teacher_courses;
- }
- function count_coaches()
- {
- global $total_no_coachs;
- return $total_no_coachs;
- }
- function sort_users($a,$b){
- $a = trim(strtolower($a[$_SESSION['tracking_column']]));
- $b = trim(strtolower($b[$_SESSION['tracking_column']]));
- if($_SESSION['tracking_direction'] == 'DESC')
- return strcmp($b, $a);
- else
- return strcmp($a, $b);
- }
- /**************************
- * MAIN CODE
- ***************************/
- $isCoach = api_is_coach();
- $isPlatformAdmin = api_is_platform_admin();
- $view = isset($_GET['view']) ? $_GET['view'] : 'teacher';
- $menu_items = array();
- global $_configuration;
- if(api_is_allowed_to_create_course()) {
- $sqlNbCours = " SELECT course_rel_user.course_code, course.title
- FROM $tbl_course_user as course_rel_user
- INNER JOIN $tbl_course as course
- ON course.code = course_rel_user.course_code
- WHERE course_rel_user.user_id='".$_user['user_id']."' AND course_rel_user.status='1'
- ORDER BY course.title";
-
-
- 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){
- $sqlNbCours = " SELECT course_rel_user.course_code, course.title
- FROM $tbl_course_user as course_rel_user
- INNER JOIN $tbl_course as course
- ON course.code = course_rel_user.course_code
- INNER JOIN $tbl_course_rel_access_url course_rel_url
- ON (course_rel_url.course_code= course.code)
- WHERE access_url_id = $access_url_id AND course_rel_user.user_id='".$_user['user_id']."' AND course_rel_user.status='1'
- ORDER BY course.title";
- }
- }
-
- $resultNbCours = api_sql_query($sqlNbCours, __FILE__, __LINE__);
- $a_courses = api_store_result($resultNbCours);
-
- $nb_teacher_courses = count($a_courses);
- if($nb_teacher_courses)
- {
- if(!$isCoach && !api_is_platform_admin())
- {
- $view = 'teacher';
- }
- if($view=='teacher')
- {
- $menu_items[] = get_lang('TeacherInterface');
- $title = get_lang('YourCourseList');
- }
- else
- {
- $menu_items[] = '<a href="'.api_get_self().'?view=teacher">'.get_lang('TeacherInterface').'</a>';
- }
- }
- }
- if($isCoach)
- {
- if($nb_teacher_courses==0 && !api_is_platform_admin())
- {
- $view = 'coach';
- }
- if($view=='coach')
- {
- $menu_items[] = get_lang('CoachInterface');
- $title = get_lang('YourStatistics');
- }
- else
- {
- $menu_items[] = '<a href="'.api_get_self().'?view=coach">'.get_lang('CoachInterface').'</a>';
- }
- }
- if(api_is_platform_admin())
- {
- if(!$isCoach && $nb_teacher_courses==0)
- {
- $view = 'admin';
- }
- if($view=='admin')
- {
- $menu_items[] = get_lang('AdminInterface');
- $title = get_lang('CoachList');
- }
- else
- {
- $menu_items[] = '<a href="'.api_get_self().'?view=admin">'.get_lang('AdminInterface').'</a>';
- }
- }
- if($_user['status']==DRH)
- {
- $view = 'drh';
- $title = get_lang('DrhInterface');
- $menu_items[] = '<a href="'.api_get_self().'?view=drh">'.get_lang('DrhInterface').'</a>';
- }
- echo '<div class="actions">';
- $nb_menu_items = count($menu_items);
- if($nb_menu_items>1)
- {
- foreach($menu_items as $key=> $item)
- {
- echo $item;
- if($key!=$nb_menu_items-1)
- {
- echo ' | ';
- }
- }
- }
- echo '
- <a href="#" onclick="window.print()"><img align="absbottom" src="../img/printmgr.gif"> '.get_lang('Print').'</a>
- <a href="'.api_get_self().'?export=csv&view='.$view.'"><img align="absbottom" src="../img/excel.gif"> '.get_lang('ExportAsCSV').'</a>
- ';
- echo '</div>';
- echo '<h4>'.$title.'</h4>';
- if($_user['status']==DRH && $view=='drh')
- {
- $a_students = Tracking :: get_student_followed_by_drh($_user['user_id']);
- $courses_of_the_platform = CourseManager :: get_real_course_list();
- foreach($courses_of_the_platform as $course)
- $a_courses[$course['code']] = $course['code'];
- }
- if($isCoach && $view=='coach')
- {
- $a_students = Tracking :: get_student_followed_by_coach($_user['user_id']);
- $a_courses = Tracking :: get_courses_followed_by_coach($_user['user_id']);
- }
- if($view=='coach' || $view=='drh')
- {
- $nbStudents = count($a_students);
-
- $totalTimeSpent = 0;
- $totalCourses = 0;
- $avgTotalProgress = 0;
- $avgResultsToExercises = 0;
- $nb_inactive_students = 0;
- $nb_posts = $nb_assignments = 0;
- foreach($a_students as $student_id)
- {
- // inactive students
- $last_connection_date = Tracking :: get_last_connection_date($student_id,true,true);
- if($last_connection_date!=false)
- {
- /*
- list($last_connection_date, $last_connection_hour) = explode(' ',$last_connection_date);
- $last_connection_date = explode('-',$last_connection_date);
- $last_connection_hour = explode(':',$last_connection_hour);
- $last_connection_hour[0];
- $last_connection_time = mktime($last_connection_hour[0],$last_connection_hour[1],$last_connection_hour[2],$last_connection_date[1],$last_connection_date[2],$last_connection_date[0]);
- */
- if(time()-(3600*24*7) > $last_connection_time)
- {
- $nb_inactive_students++;
- }
- }
- else
- {
- $nb_inactive_students++;
- }
-
- $totalTimeSpent += Tracking :: get_time_spent_on_the_platform($student_id);
- $totalCourses += Tracking :: count_course_per_student($student_id);
- $avgStudentProgress = $avgStudentScore = 0;
- $nb_courses_student = 0;
- foreach($a_courses as $course_code)
- {
- if(CourseManager :: is_user_subscribed_in_course($student_id, $course_code, true))
- {
- $nb_courses_student++;
- $nb_posts += Tracking :: count_student_messages($student_id,$course_code);
- $nb_assignments += Tracking :: count_student_assignments($student_id,$course_code);
- $avgStudentProgress += Tracking :: get_avg_student_progress($student_id,$course_code);
- $avgStudentScore += Tracking :: get_avg_student_score($student_id,$course_code);
- if($nb_posts !== null && $nb_assignments !== null && $avgStudentProgress !== null && $avgStudentScore !== null)
- {
- //if one of these scores is null, it means that we had a problem connecting to the right database, so don't count it in
- $nb_courses_student++;
- }
- }
- }
- // average progress of the student
- $avgStudentProgress = $avgStudentProgress / $nb_courses_student;
- $avgTotalProgress += $avgStudentProgress;
-
- // average test results of the student
- $avgStudentScore = $avgStudentScore / $nb_courses_student;
- $avgResultsToExercises += $avgStudentScore;
-
- }
- // average progress
- $avgTotalProgress = $avgTotalProgress/$nbStudents;
-
- // average results to the tests
- $avgResultsToExercises = $avgResultsToExercises/$nbStudents;
-
- // average courses by student
- $avgCoursesPerStudent = round($totalCourses / $nbStudents,2);
-
- // average time spent on the platform
- $avgTimeSpent = $totalTimeSpent / $nbStudents;
-
- // average assignments
- $nb_assignments = $nb_assignments / $nbStudents;
-
- // average posts
- $nb_posts = $nb_posts / $nbStudents;
-
-
-
- //csv part
- if($export_csv)
- {
- $csv_content[] = array( get_lang('Probationers'));
- $csv_content[] = array( get_lang('InactivesStudents'),$nb_inactive_students );
- $csv_content[] = array( get_lang('AverageTimeSpentOnThePlatform'),$avgTimeSpent);
- $csv_content[] = array( get_lang('AverageCoursePerStudent'),$avgCoursesPerStudent);
- $csv_content[] = array( get_lang('AverageProgressInLearnpath'),$avgTotalProgress);
- $csv_content[] = array( get_lang('AverageResultsToTheExercices'),$avgResultsToExercises);
- $csv_content[] = array( get_lang('AveragePostsInForum'),$nb_posts);
- $csv_content[] = array( get_lang('AverageAssignments'),$nb_assignments);
- $csv_content[] = array();
- }
- // html part
- else
- {
- echo '
- <div class="admin_section">
- <h4>
- <a href="student.php"><img src="'.api_get_path(WEB_IMG_PATH).'students.gif"> '.get_lang('Probationers').' ('.$nbStudents.')'.'</a>
- </h4>
- <table class="data_table">
- <tr>
- <td>
- '.get_lang('InactivesStudents').'
- </td>
- <td align="right">
- '.$nb_inactive_students.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageTimeSpentOnThePlatform').'
- </td>
- <td align="right">
- '.api_time_to_hms($avgTimeSpent).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageCoursePerStudent').'
- </td>
- <td align="right">
- '.$avgCoursesPerStudent.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageProgressInLearnpath').'
- </td>
- <td align="right">
- '.round($avgTotalProgress,2).' %
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageResultsToTheExercices').'
- </td>
- <td align="right">
- '.round($avgResultsToExercises,2).' %
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AveragePostsInForum').'
- </td>
- <td align="right">
- '.round($nb_posts,2).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageAssignments').'
- </td>
- <td align="right">
- '.round($nb_assignments,2).'
- </td>
- </tr>
- </table>
- <a href="student.php">'.get_lang('SeeStudentList').'</a>
- </div>';
- }
- }
- if($view == 'coach')
- {
-
- /****************************************
- * Infos about sessions of the coach
- ****************************************/
- $a_sessions = Tracking :: get_sessions_coached_by_user($_user['user_id']);
- $nbSessions = count($a_sessions);
- $nb_sessions_past = $nb_sessions_future = $nb_sessions_current = 0;
- $a_courses = array();
- foreach($a_sessions as $a_session)
- {
- if($a_session['date_start'] == '0000-00-00')
- {
- $nb_sessions_current ++;
- }
- else
- {
- $date_start = explode('-',$a_session['date_start']);
- $time_start = mktime(0,0,0,$date_start[1],$date_start[2],$date_start[0]);
- $date_end = explode('-',$a_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)
- {
- $nb_sessions_current++;
- }
- else if(time() < $time_start)
- {
- $nb_sessions_future++;
- }
- else if(time() > $time_end)
- {
- $nb_sessions_past++;
- }
- }
- $a_courses = array_merge($a_courses, Tracking::get_courses_list_from_session($a_session['id']));
- }
- $nb_courses_per_session = round(count($a_courses)/$nbSessions,2);
-
-
- //csv part
- if($export_csv)
- {
- $csv_content[] = array( get_lang('Sessions'));
- $csv_content[] = array( get_lang('NbActiveSessions').';'.$nb_sessions_current);
- $csv_content[] = array( get_lang('NbPastSessions').';'.$nb_sessions_past);
- $csv_content[] = array( get_lang('NbFutureSessions').';'.$nb_sessions_future);
- $csv_content[] = array( get_lang('NbStudentPerSession').';'.round($nbStudents/$nbSessions,2));
- $csv_content[] = array( get_lang('NbCoursesPerSession').';'.$nb_courses_per_session);
- $csv_content[] = array();
- }
- // html part
- else
- {
-
- echo '
- <div class="admin_section">
- <h4>
- <a href="session.php"><img src="'.api_get_path(WEB_IMG_PATH).'sessions.gif"> '.get_lang('Sessions').' ('.$nbSessions.')'.'</a>
- </h4>
- <table class="data_table">
- <tr>
- <td>
- '.get_lang('NbActiveSessions').'
- </td>
- <td align="right">
- '.$nb_sessions_current.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbPastSessions').'
- </td>
- <td align="right">
- '.$nb_sessions_past.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbFutureSessions').'
- </td>
- <td align="right">
- '.$nb_sessions_future.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbStudentPerSession').'
- </td>
- <td align="right">
- '.round($nbStudents/$nbSessions,2).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbCoursesPerSession').'
- </td>
- <td align="right">
- '.$nb_courses_per_session.'
- </td>
- </tr>
- </table>
- <a href="session.php">'.get_lang('SeeSessionList').'</a>
- </div>';
- }
-
-
- }
- echo '<div class="clear"> </div>';
- if(api_is_allowed_to_create_course() && $view=='teacher')
- {
-
- if($nb_teacher_courses)
- {
-
-
- $table = new SortableTable('tracking_list_course', 'count_teacher_courses');
- $parameters['view'] = 'teacher';
- $table->set_additional_parameters($parameters);
- $table -> set_header(0, get_lang('CourseTitle'), false, 'align="center"');
- $table -> set_header(1, get_lang('NbStudents'), false);
- $table -> set_header(2, get_lang('AvgTimeSpentInTheCourse'), false);
- $table -> set_header(3, get_lang('AvgStudentsProgress'), false);
- $table -> set_header(4, get_lang('AvgStudentsScore'), false);
- $table -> set_header(5, get_lang('AvgMessages'), false);
- $table -> set_header(6, get_lang('AvgAssignments'), false);
- $table -> set_header(7, get_lang('Details'), false);
- $csv_content[] = array(
- get_lang('CourseTitle'),
- get_lang('NbStudents'),
- get_lang('AvgTimeSpentInTheCourse'),
- get_lang('AvgStudentsProgress'),
- get_lang('AvgStudentsScore'),
- get_lang('AvgMessages'),
- get_lang('AvgAssignments')
- );
-
- $a_course_students = array();
-
- foreach($a_courses as $course)
- {
-
- $course_code = $course['course_code'];
-
- $avg_assignments_in_course = $avg_messages_in_course = $nb_students_in_course = $avg_progress_in_course = $avg_score_in_course = $avg_time_spent_in_course = 0;
-
- // students directly subscribed to the course
- $sql = "SELECT user_id FROM $tbl_course_user as course_rel_user WHERE course_rel_user.status='5' AND course_rel_user.course_code='$course_code'";
- $rs = api_sql_query($sql, __FILE__, __LINE__);
- while($row = Database::fetch_array($rs))
- {
- $nb_students_in_course++;
-
- // tracking datas
- $avg_progress_in_course += Tracking :: get_avg_student_progress ($row['user_id'], $course_code);
- $avg_score_in_course += Tracking :: get_avg_student_score ($row['user_id'], $course_code);
- $avg_time_spent_in_course += Tracking :: get_time_spent_on_the_course ($row['user_id'], $course_code);
- $avg_messages_in_course += Tracking :: count_student_messages ($row['user_id'], $course_code);
- $avg_assignments_in_course += Tracking :: count_student_assignments ($row['user_id'], $course_code);
- $a_course_students[] = $row['user_id'];
- }
-
- // students subscribed to the course through a session
- if(api_get_setting('use_session_mode') == 'true')
- {
- $sql = 'SELECT id_user as user_id
- FROM '.$tbl_session_course_user.'
- WHERE course_code="'.addslashes($course_code).'" ORDER BY course_code';
- $rs = api_sql_query($sql, __FILE__, __LINE__);
- while($row = Database::fetch_array($rs))
- {
- if(!in_array($row['user_id'], $a_course_students))
- {
- $nb_students_in_course++;
-
- // tracking datas
- $avg_progress_in_course += Tracking :: get_avg_student_progress ($row['user_id'], $course_code);
- $avg_score_in_course += Tracking :: get_avg_student_score ($row['user_id'], $course_code);
- $avg_time_spent_in_course += Tracking :: get_time_spent_on_the_course ($row['user_id'], $course_code);
- $avg_messages_in_course += Tracking :: count_student_messages ($row['user_id'], $course_code);
- $avg_assignments_in_course += Tracking :: count_student_assignments ($row['user_id'], $course_code);
- $a_course_students[] = $row['user_id'];
- }
- }
- }
- if($nb_students_in_course>0)
- {
- $avg_time_spent_in_course = api_time_to_hms($avg_time_spent_in_course / $nb_students_in_course);
- $avg_progress_in_course = round($avg_progress_in_course / $nb_students_in_course,2).' %';
- $avg_score_in_course = round($avg_score_in_course / $nb_students_in_course,2).' %';
- $avg_messages_in_course = round($avg_messages_in_course / $nb_students_in_course,2);
- $avg_assignments_in_course = round($avg_assignments_in_course / $nb_students_in_course,2);
- }
-
- $table_row = array();
- $table_row[] = $course['title'];
- $table_row[] = $nb_students_in_course;
- $table_row[] = $avg_time_spent_in_course;
- $table_row[] = $avg_progress_in_course;
- $table_row[] = $avg_score_in_course;
- $table_row[] = $avg_messages_in_course;
- $table_row[] = $avg_assignments_in_course;
- $table_row[] = '<a href="../tracking/courseLog.php?cidReq='.$course_code.'&studentlist=true"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a>';
-
- $csv_content[] = array(
- html_entity_decode($course['title']),
- $nb_students_in_course,
- $avg_time_spent_in_course,
- $avg_progress_in_course,
- $avg_score_in_course,
- $avg_messages_in_course,
- $avg_assignments_in_course,
- );
-
- $table -> addRow($table_row, 'align="right"');
-
- $a_course_students = array();
-
- }
- $table -> updateColAttributes(0,array('align'=>'left'));
- $table -> updateColAttributes(7,array('align'=>'center'));
- $table -> display();
-
- }
- }
- if(api_is_platform_admin() && $view=='admin')
- {
- echo '<a href="'.api_get_self().'?view=admin&display=coaches">'.get_lang('DisplayCoaches').'</a> | ';
- echo '<a href="'.api_get_self().'?view=admin&display=useroverview">'.get_lang('DisplayUserOverview').'</a>';
- if ($_GET['display'] == 'useroverview')
- {
- echo ' | <a href="'.api_get_self().'?view=admin&display=useroverview&export=options">'.get_lang('ExportUserOverviewOptions').'</a>';
- }
-
- if ($_GET['display'] === 'useroverview')
- {
- display_tracking_user_overview();
- }
- else
- {
- $tracking_column = isset($_GET['tracking_list_coaches_column']) ? $_GET['tracking_list_coaches_column'] : 0;
- $tracking_direction = (isset($_GET['tracking_list_coaches_direction']) && in_array(strtoupper($_GET['tracking_list_coaches_direction']),array('ASC','DESC','ASCENDING','DESCENDING','0','1'))) ? $_GET['tracking_list_coaches_direction'] : 'DESC';
- //prepare array for column order - when impossible, use lastname
- $order = array(0=>'firstname',1=>'lastname',2=>'lastname',3=>'login_date',4=>'lastname',5=>'lastname');
-
- $table = new SortableTable('tracking_list_coaches', 'count_coaches');
- $parameters['view'] = 'admin';
- $table->set_additional_parameters($parameters);
- $table -> set_header(0, get_lang('FirstName'), true, 'align="center"');
- $table -> set_header(1, get_lang('LastName'), true, 'align="center"');
- $table -> set_header(2, get_lang('TimeSpentOnThePlatform'), false);
- $table -> set_header(3, get_lang('LastConnexion'), true, 'align="center"');
- $table -> set_header(4, get_lang('NbStudents'), false);
- $table -> set_header(5, get_lang('CountCours'), false);
- $table -> set_header(6, get_lang('NumberOfSessions'), false);
- $table -> set_header(7, get_lang('Sessions'), false,'align="center"');
-
- $csv_content[] = array(
- get_lang('FirstName'),
- get_lang('LastName'),
- get_lang('TimeSpentOnThePlatform'),
- get_lang('LastConnexion'),
- get_lang('NbStudents'),
- get_lang('CountCours'),
- get_lang('NumberOfSessions')
- );
-
- $tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
-
- $sqlCoachs = " SELECT DISTINCT id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM $tbl_user, $tbl_session_course, $tbl_track_login
- WHERE id_coach=user_id AND login_user_id=user_id
- GROUP BY user_id " ;
- // ORDER BY login_date ".$tracking_direction;
-
-
- 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){
- $sqlCoachs = " SELECT DISTINCT id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM $tbl_user, $tbl_session_course, $tbl_track_login , $tbl_session_rel_access_url session_rel_url
- WHERE id_coach=user_id AND login_user_id=user_id AND access_url_id = $access_url_id AND session_rel_url.session_id=id_session
- GROUP BY user_id " ;
- }
- }
-
- if(!empty($order[$tracking_column]))
- {
- $sqlCoachs .= "ORDER BY ".$order[$tracking_column]." ".$tracking_direction;
- }
- $result_coaches=api_sql_query($sqlCoachs, __FILE__, __LINE__);
- $total_no_coachs = Database::num_rows($result_coaches);
- $global_coachs=array();
- while($a_coach=Database::fetch_array($result_coaches)){
- $global_coachs[$a_coach['user_id']] = $a_coach;
- }
-
- $sql_session_coach = 'SELECT session.id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM '.$tbl_user.','.$tbl_sessions.' as session,'.$tbl_track_login.'
- WHERE id_coach=user_id AND login_user_id=user_id
- GROUP BY user_id
- ORDER BY login_date '.$tracking_direction;
-
- if ($_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){
- $sql_session_coach = 'SELECT session.id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM '.$tbl_user.','.$tbl_sessions.' as session,'.$tbl_track_login.' , '.$tbl_session_rel_access_url.' as session_rel_url
- WHERE id_coach=user_id AND login_user_id=user_id AND access_url_id = '.$access_url_id.' AND session_rel_url.session_id=session.id
- GROUP BY user_id
- ORDER BY login_date '.$tracking_direction;
- }
- }
-
- $result_sessions_coach=api_sql_query($sql_session_coach, __FILE__, __LINE__);
- $total_no_coachs += Database::num_rows($result_sessions_coach);
- while($a_coach=Database::fetch_array($result_sessions_coach)){
- $global_coachs[$a_coach['user_id']] = $a_coach;
- }
-
- $all_datas=array();
-
- foreach($global_coachs as $id_coach => $a_coachs){
-
- $time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($a_coachs['user_id']));
- $last_connection = Tracking :: get_last_connection_date($a_coachs['user_id']);
- $nb_students = count(Tracking :: get_student_followed_by_coach($a_coachs['user_id']));
- $nb_courses = count(Tracking :: get_courses_followed_by_coach($a_coachs['user_id']));
- $nb_sessions = count(Tracking :: get_sessions_coached_by_user($a_coachs['user_id']));
-
- $table_row = array();
- $table_row[] = $a_coachs['firstname'];
- $table_row[] = $a_coachs['lastname'];
- $table_row[] = $time_on_platform;
- $table_row[] = $last_connection;
- $table_row[] = $nb_students;
- $table_row[] = $nb_courses;
- $table_row[] = $nb_sessions;
- $table_row[] = '<a href="session.php?id_coach='.$a_coachs['user_id'].'"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a>';
- $all_datas[] = $table_row;
-
- $csv_content[] = array(
- html_entity_decode($a_coachs['firstname']),
- html_entity_decode($a_coachs['lastname']),
- $time_on_platform,
- $last_connection,
- $nb_courses,
- $nb_sessions
- );
-
- }
-
- if($tracking_column != 3){
- usort($all_datas, 'sort_users');
- if($tracking_direction == 'DESC')
- rsort($all_datas);
- }
-
- if($export_csv && $tracking_column != 3)
- {
- usort($csv_content, 'sort_users');
- }
-
- foreach($all_datas as $row)
- {
- $table -> addRow($row,'align="right"');
- }
-
- $table -> updateColAttributes(0,array('align'=>'left'));
- $table -> updateColAttributes(1,array('align'=>'left'));
- $table -> updateColAttributes(3,array('align'=>'left'));
- $table -> updateColAttributes(7,array('align'=>'center'));
- $table -> display();
- }
- }
- // send the csv file if asked
- if($export_csv)
- {
- ob_end_clean();
- /*echo "<pre>";
- print_r($csv_content);
- echo "</pre>";*/
- Export :: export_table_csv($csv_content, 'reporting_index');
- }
-
- //footer
- if(!$export_csv)
- {
- Display::display_footer();
- }
- /**
- * This function exports the table that we see in display_tracking_user_overview()
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since October 2008
- */
- function export_tracking_user_overview()
- {
- // database table definitions
- $tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- // the values of the sortable table
- if ($_GET['tracking_user_overview_page_nr'])
- {
- $from = $_GET['tracking_user_overview_page_nr'];
- }
- else
- {
- $from = 0;
- }
- if ($_GET['tracking_user_overview_column'])
- {
- $orderby = $_GET['tracking_user_overview_column'];
- }
- else
- {
- $orderby = 0;
- }
- if ($_GET['tracking_user_overview_direction'])
- {
- $direction = $_GET['tracking_user_overview_direction'];
- }
- else
- {
- $direction = 'ASC';
- }
- $user_data = get_user_data_tracking_overview($from, 1000 , $orderby, $direction);
-
- // the first line of the csv file with the column headers
- $csv_row = array();
- $csv_row[] = get_lang('OfficialCode');
- $csv_row[] = get_lang('LastName');
- $csv_row[] = get_lang('FirstName');
- $csv_row[] = get_lang('LoginName');
- $csv_row[] = get_lang('CourseCode');
- // the additional user defined fields (only those that were selected to be exported)
- require_once (api_get_path(LIBRARY_PATH).'usermanager.lib.php');
- $fields = UserManager::get_extra_fields(0,50,5,'ASC');
- foreach ($_SESSION['additional_export_fields'] as $key=>$extra_field_export)
- {
- $csv_row[] = $fields[$extra_field_export][3];
- $field_names_to_be_exported[] = 'extra_'.$fields[$extra_field_export][1];
- }
- $csv_row[] = get_lang('AvgTimeSpentInTheCourse');
- $csv_row[] = get_lang('AvgStudentsProgress');
- $csv_row[] = get_lang('AvgStudentsScore');
- $csv_row[] = get_lang('AvgMessages');
- $csv_row[] = get_lang('AvgAssignments');
- $csv_row[] = get_lang('TotalExercisesScoreObtained');
- $csv_row[] = get_lang('TotalExercisesScorePossible');
- $csv_row[] = get_lang('TotalExercisesAnswered');
- $csv_row[] = get_lang('TotalExercisesScorePercentage');
- $csv_row[] = get_lang('FirstLogin');
- $csv_row[] = get_lang('LatestLogin');
- $csv_content[] = $csv_row;
-
- // the other lines (the data)
- foreach($user_data as $key=>$user)
- {
- // getting all the courses of the user
- $sql = "SELECT * FROM $tbl_course_user WHERE user_id = '".Database::escape_string($user[4])."'";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- while ($row = Database::fetch_row($result))
- {
- $csv_row = array();
- // user official code
- $csv_row[] = $user[0];
- // user last name
- $csv_row[] = $user[1];
- // user first name
- $csv_row[] = $user[2];
- // user login name
- $csv_row[] = $user[3];
- // course code
- $csv_row[] = $row[0];
- // the additional defined user fields
- $extra_fields = get_user_overview_export_extra_fields($user[4]);
- foreach ($field_names_to_be_exported as $key=>$extra_field_export)
- {
- $csv_row[] = $extra_fields[$extra_field_export];
- }
- // time spent in the course
- $csv_row[] = api_time_to_hms(Tracking :: get_time_spent_on_the_course ($user[4], $row[0]));
- // student progress in course
- $csv_row[] = Tracking :: get_avg_student_progress ($user[4], $row[0]);
- // student score
- $csv_row[] = Tracking :: get_avg_student_score ($user[4], $row[0]);
- // student messages
- $csv_row[] = Tracking :: count_student_messages ($user[4], $row[0]);
- // student assignments
- $csv_row[] = Tracking :: count_student_assignments ($user[4], $row[0]);
- // student exercises results
- $exercises_results = exercises_results($user[4], $row[0]);
- $csv_row[] = $exercises_results['score_obtained'];
- $csv_row[] = $exercises_results['score_possible'];
- $csv_row[] = $exercises_results['questions_answered'];
- $csv_row[] = $exercises_results['percentage'];
- // first connection
- $csv_row[] = Tracking :: get_first_connection_date_on_the_course ($user[4], $row[0]);
- // last connection
- $csv_row[] = strip_tags(Tracking :: get_last_connection_date_on_the_course ($user[4], $row[0]));
- $csv_content[] = $csv_row;
- }
- }
- Export :: export_table_csv($csv_content, 'reporting_user_overview');
- }
- /**
- * Display a sortable table that contains an overview off all the reporting progress of all users and all courses the user is subscribed to
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since October 2008
- */
- function display_tracking_user_overview()
- {
- display_user_overview_export_options();
- $table = new SortableTable('tracking_user_overview', 'get_number_of_users_tracking_overview', 'get_user_data_tracking_overview',1);
- $table->set_header(0, get_lang('OfficialCode'));
- $table->set_header(1, get_lang('LastName'));
- $table->set_header(2, get_lang('FirstName'));
- $table->set_header(3, get_lang('LoginName'));
- $table->set_header(4, get_lang('CourseInformation'), false);
- $table->set_column_filter(4, 'course_info_tracking_filter');
- $table -> display();
- }
- /**
- * get the numer of users of the platform
- *
- * @return integer
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since October 2008
- */
- function get_number_of_users_tracking_overview()
- {
- // database table definition
- $main_user_table = Database :: get_main_table(TABLE_MAIN_USER);
- // query
- $sql = 'SELECT user_id FROM '.$main_user_table;
- $result = api_sql_query($sql, __FILE__, __LINE__);
- // return the number of results
- return Database::num_rows($result);
- }
- /**
- * get all the data for the sortable table of the reporting progress of all users and all the courses the user is subscribed to.
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since October 2008
- */
- function get_user_data_tracking_overview($from, $number_of_items, $column, $direction)
- {
- // database table definition
- $main_user_table = Database :: get_main_table(TABLE_MAIN_USER);
- $sql = "SELECT
- official_code AS col0,
- lastname AS col1,
- firstname AS col2,
- username AS col3,
- user_id AS col4
- FROM
- $main_user_table
- ";
- $sql .= " ORDER BY col$column $direction ";
- $sql .= " LIMIT $from,$number_of_items";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $return = array ();
- while ($user = Database::fetch_row($result))
- {
- $return[] = $user;
- }
- return $return;
- }
- /**
- * Creates a small table in the last column of the table with the user overview
- *
- * @param integer $user_id the id of the user
- * @param array $url_params additonal url parameters
- * @param array $row the row information (the other columns)
- * @return html code
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since October 2008
- */
- function course_info_tracking_filter($user_id,$url_params,$row)
- {
- // the table header
- $return .= '<table class="data_table">';
- $return .= ' <tr>';
- $return .= ' <th>'.get_lang('Course').'</th>';
- $return .= ' <th>'.get_lang('AvgTimeSpentInTheCourse').'</th>';
- $return .= ' <th>'.get_lang('AvgStudentsProgress').'</th>';
- $return .= ' <th>'.get_lang('AvgStudentsScore').'</th>';
- $return .= ' <th>'.get_lang('AvgMessages').'</th>';
- $return .= ' <th>'.get_lang('AvgAssignments').'</th>';
- $return .= ' <th>'.get_lang('TotalExercisesScoreObtained').'</th>';
- $return .= ' <th>'.get_lang('TotalExercisesScorePossible').'</th>';
- $return .= ' <th>'.get_lang('TotalExercisesAnswered').'</th>';
- $return .= ' <th>'.get_lang('TotalExercisesScorePercentage').'</th>';
- $return .= ' <th>'.get_lang('FirstLogin').'</th>';
- $return .= ' <th>'.get_lang('LatestLogin').'</th>';
- $return .= ' </tr>';
- // database table definition
- $tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- // getting all the courses of the user
- $sql = "SELECT * FROM $tbl_course_user WHERE user_id = '".Database::escape_string($user_id)."'";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- while ($row = Database::fetch_row($result))
- {
- $return .= '<tr>';
- // course code
- $return .= ' <td>'.$row[0].'</td>';
- // time spent in the course
- $return .= ' <td>'.api_time_to_hms(Tracking :: get_time_spent_on_the_course ($user_id, $row[0])).'</td>';
- // student progress in course
- $return .= ' <td>'.Tracking :: get_avg_student_progress ($user_id, $row[0]).'</td>';
- // student score
- $return .= ' <td>'.Tracking :: get_avg_student_score ($user_id, $row[0]).'</td>';
- // student messages
- $return .= ' <td>'.Tracking :: count_student_messages ($user_id, $row[0]).'</td>';
- // student assignments
- $return .= ' <td>'.Tracking :: count_student_assignments ($user_id, $row[0]).'</td>';
- // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
- $exercises_results = exercises_results($user_id, $row[0]);
- $return .= ' <td>'.$exercises_results['score_obtained'].'</td>';
- $return .= ' <td>'.$exercises_results['score_possible'].'</td>';
- $return .= ' <td>'.$exercises_results['questions_answered'].'</td>';
- $return .= ' <td>'.$exercises_results['percentage'].'% </td>';
- // first connection
- $return .= ' <td>'.Tracking :: get_first_connection_date_on_the_course ($user_id, $row[0]).'</td>';
- // last connection
- $return .= ' <td>'.Tracking :: get_last_connection_date_on_the_course ($user_id, $row[0]).'</td>';
- $return .= '<tr>';
- }
- $return .= '</table>';
- return $return;
- }
- /**
- * Get general information about the exercise performance of the user
- * the total obtained score (all the score on all the questions)
- * the maximum score that could be obtained
- * the number of questions answered
- * the success percentage
- *
- * @param integer $user_id the id of the user
- * @param string $course_code the course code
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since November 2008
- */
- function exercises_results($user_id, $course_code)
- {
- $questions_answered = 0;
- $sql = 'SELECT exe_result , exe_weighting
- FROM '.Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES)."
- WHERE exe_cours_id = '".Database::escape_string($course_code)."'
- AND exe_user_id = '".Database::escape_string($user_id)."'";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $score_obtained = 0;
- $score_possible = 0;
- $questions_answered = 0;
- while ($row = Database::fetch_array($result))
- {
- $score_obtained += $row['exe_result'];
- $score_possible += $row['exe_weighting'];
- $questions_answered ++;
- }
-
- if ($score_possible !== 0) {
- $percentage = round(($score_obtained / $score_possible * 100),2);
- }
-
- return array('score_obtained' => $score_obtained, 'score_possible' => $score_possible, 'questions_answered' => $questions_answered, 'percentage' => $percentage);
- }
- /**
- * Displays a form with all the additionally defined user fields of the profile
- * and give you the opportunity to include these in the CSV export
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since November 2008
- */
- function display_user_overview_export_options()
- {
- // include the user manager and formvalidator library
- require_once (api_get_path(LIBRARY_PATH).'usermanager.lib.php');
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
- if ($_GET['export'] == 'options')
- {
- // get all the defined extra fields
- $extrafields = UserManager::get_extra_fields(0,50,5,'ASC');
- // creating the form with all the defined extra fields
- $form = new FormValidator('exportextrafields', 'post', api_get_self()."?view=".Security::remove_XSS($_GET['view']).'&display='.Security::remove_XSS($_GET['display']).'&export='.Security::remove_XSS($_GET['export']));
- foreach ($extrafields as $key=>$extra)
- {
- $form->addElement('checkbox', 'extra_export_field'.$extra[0], '', $extra[3]);
- }
- $form->addElement('submit', null, get_lang('Ok'));
-
- // setting the default values for the form that contains all the extra fields
- if(is_array($_SESSION['additional_export_fields']))
- foreach($_SESSION['additional_export_fields'] as $key => $value)
- {
- $defaults['extra_export_field'.$value]=1;
- }
- $form->setDefaults($defaults);
- if ($form->validate())
- {
- // exporting the form values
- $values = $form->exportValues();
- // re-initialising the session that contains the additional fields that need to be exported
- $_SESSION['additional_export_fields'] = array();
- // adding the fields that are checked to the session
- $message='';
- foreach ($values as $field_ids => $value)
- {
- if ($value == 1 AND strstr($field_ids,'extra_export_field'))
- {
- $_SESSION['additional_export_fields'][] = str_replace('extra_export_field','',$field_ids);
- }
- }
-
- // adding the fields that will be also exported to a message string
- foreach ($_SESSION['additional_export_fields'] as $key=>$extra_field_export)
- {
- $message .= '<li>'.$extrafields[$extra_field_export][3].'</li>';
- }
- // Displaying a feedback message
- if (!empty($_SESSION['additional_export_fields']))
- {
- Display::display_confirmation_message(get_lang('FollowingFieldsWillAlsoBeExported').': <br /><ul>'.$message.'</ul>',false);
- }
- else
- {
- Display::display_confirmation_message(get_lang('NoAdditionalFieldsWillBeExported'),false);
- }
- $message = '';
- }
- else
- {
- $form->display();
- }
- }
- else
- {
- if (!empty($_SESSION['additional_export_fields']))
- {
- // get all the defined extra fields
- $extrafields = UserManager::get_extra_fields(0,50,5,'ASC');
- foreach ($_SESSION['additional_export_fields'] as $key=>$extra_field_export)
- {
- $message .= '<li>'.$extrafields[$extra_field_export][3].'</li>';
- }
- Display::display_normal_message(get_lang('FollowingFieldsWillAlsoBeExported').': <br /><ul>'.$message.'</ul>',false);
- $message = '';
- }
- }
- }
- /**
- * Get all information that the user with user_id = $user_data has
- * entered in the additionally defined profile fields
- *
- * @param integer $user_id the id of the user
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
- * @version Dokeos 1.8.6
- * @since November 2008
- */
- function get_user_overview_export_extra_fields($user_id)
- {
- // include the user manager
- require_once (api_get_path(LIBRARY_PATH).'usermanager.lib.php');
-
- $extra_data = UserManager::get_extra_user_data($user_id,true);
- return $extra_data;
- }
- ?>
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