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- <?php // $Id: index.php 16620 2008-10-25 20:03:54Z yannoo $
- /* For licensing terms, see /chamilo_license.txt */
- /**
- * @todo use constant for $this_section
- */
- // name of the language file that needs to be included
- $language_file = array ('registration', 'index', 'tracking');
- // resetting the course id
- $cidReset = true;
- // including the global Dokeos file
- require_once '../inc/global.inc.php';
- // including additional libraries
- require_once 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';
- // the section (for the tabs)
- $this_section = 'session_my_space';
- ob_start();
- $export_csv = isset($_GET['export']) && $_GET['export'] == 'csv' ? true : false;
- $csv_content = array();
- $nameTools = get_lang('MySpace');
- // access control
- api_block_anonymous_users();
- if (!$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);
- $tbl_track_cours_access = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
-
- /********************
- * FUNCTIONS
- ********************/
- function count_teacher_courses() {
- global $nb_teacher_courses;
- return $nb_teacher_courses;
- }
- function count_coaches() {
- global $total_no_coaches;
- return $total_no_coaches;
- }
- function sort_users($a, $b) {
- return api_strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
- }
- function rsort_users($a, $b) {
- return api_strcmp(trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
- }
- /**************************
- * MAIN CODE
- ***************************/
- $is_coach = api_is_coach();
- $is_platform_admin = api_is_platform_admin();
- $view = isset($_GET['view']) ? $_GET['view'] : 'teacher';
- $menu_items = array();
- global $_configuration;
- if (api_is_allowed_to_create_course()) {
- $sql_nb_cours = "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) {
- $sql_nb_cours = " 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";
- }
- }
- $result_nb_cours = Database::query($sql_nb_cours, __FILE__, __LINE__);
- $courses = Database::store_result($result_nb_cours);
- $nb_teacher_courses = count($courses);
- if ($nb_teacher_courses) {
- if (!$is_coach && !$is_platform_admin) {
- $view = 'teacher';
- }
- if ($view == 'teacher') {
- $menu_items[] = get_lang('TeacherInterface');
- $title = get_lang('YourCourseList');
- } else {
- $menu_items[] = '<a href="'.api_get_self().'?view=teacher">'.get_lang('TeacherInterface').'</a>';
- }
- }
- }
- if ($is_coach) {
- if ($nb_teacher_courses == 0 && !$is_platform_admin) {
- $view = 'coach';
- }
- if ($view == 'coach') {
- $menu_items[] = get_lang('CoachInterface');
- $title = get_lang('YourStatistics');
- } else {
- $menu_items[] = '<a href="'.api_get_self().'?view=coach">'.get_lang('CoachInterface').'</a>';
- }
- }
- if ($is_platform_admin) {
- if (!$is_coach && $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 != $nb_menu_items - 1) {
- echo ' | ';
- }
- }
- }
- echo ' <a href="javascript: void(0);" onclick="javascript: window.print()"><img align="absbottom" src="../img/printmgr.gif"> '.get_lang('Print').'</a> ';
- if ($view == 'admin') {
- echo (isset($_GET['display']) && $_GET['display'] == 'useroverview')? '<a href="'.api_get_self().'?display=useroverview&export=csv&view='.$view.'"><img align="absbottom" src="../img/csv.gif"> '.get_lang('ExportAsCSV').'</a>' : '';
- } else {
- echo (isset($_GET['display']) && $_GET['display'] == 'useroverview')? '' : '<a href="'.api_get_self().'?export=csv&view='.$view.'"><img align="absbottom" src="../img/csv.gif"> '.get_lang('ExportAsCSV').'</a>';
- }
- echo '</div>';
- echo '<h4>'.$title.'</h4>';
- if ($_user['status'] == DRH && $view == 'drh') {
- $students = Tracking :: get_student_followed_by_drh($_user['user_id']);
- $courses_of_the_platform = CourseManager :: get_real_course_list();
- foreach ($courses_of_the_platform as $course) {
- $courses[$course['code']] = $course['code'];
- }
- }
- if ($is_coach && $view == 'coach') {
- $students = Tracking :: get_student_followed_by_coach($_user['user_id']);
- $courses = Tracking :: get_courses_followed_by_coach($_user['user_id']);
- }
- if ($view == 'coach' || $view == 'drh') {
- $nb_students = count($students);
- $total_time_spent = 0;
- $total_courses = 0;
- $avg_total_progress = 0;
- $avg_results_to_exercises = 0;
- $nb_inactive_students = 0;
- $nb_posts = $nb_assignments = 0;
- foreach ($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++;
- }
- $total_time_spent += Tracking :: get_time_spent_on_the_platform($student_id);
- $total_courses += Tracking :: count_course_per_student($student_id);
- $avg_student_progress = $avg_student_score = 0;
- $nb_courses_student = 0;
- foreach ($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);
- $avg_student_progress += Tracking :: get_avg_student_progress($student_id, $course_code);
- $avg_student_score += Tracking :: get_avg_student_score($student_id, $course_code);
- if ($nb_posts !== null && $nb_assignments !== null && $avg_student_progress !== null && $avg_student_score !== 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
- $avg_student_progress = $avg_student_progress / $nb_courses_student;
- $avg_total_progress += $avg_student_progress;
- // average test results of the student
- $avg_student_score = $avg_student_score / $nb_courses_student;
- $avg_results_to_exercises += $avg_student_score;
- }
- if ($nb_students > 0) {
- // average progress
- $avg_total_progress = $avg_total_progress / $nb_students;
- // average results to the tests
- $avg_results_to_exercises = $avg_results_to_exercises / $nb_students;
- // average courses by student
- $avg_courses_per_student = round($total_courses / $nb_students, 2);
- // average time spent on the platform
- $avg_time_spent = $total_time_spent / $nb_students;
- // average assignments
- $nb_assignments = $nb_assignments / $nb_students;
- // average posts
- $nb_posts = $nb_posts / $nb_students;
- } else {
- $avg_total_progress = null;
- $avg_results_to_exercises = null;
- $avg_courses_per_student = null;
- $avg_time_spent = null;
- $nb_assignments = null;
- $nb_posts = null;
- }
- if ($export_csv) {
- //csv part
- $csv_content[] = array(get_lang('Probationers', ''));
- $csv_content[] = array(get_lang('InactivesStudents', ''), $nb_inactive_students );
- $csv_content[] = array(get_lang('AverageTimeSpentOnThePlatform', ''), $avg_time_spent);
- $csv_content[] = array(get_lang('AverageCoursePerStudent', ''), $avg_courses_per_student);
- $csv_content[] = array(get_lang('AverageProgressInLearnpath', ''), is_null($avg_total_progress) ? null : round($avg_total_progress, 2).'%');
- $csv_content[] = array(get_lang('AverageResultsToTheExercices', ''), is_null($avg_results_to_exercises) ? null : round($avg_results_to_exercises, 2).'%');
- $csv_content[] = array(get_lang('AveragePostsInForum', ''), $nb_posts);
- $csv_content[] = array(get_lang('AverageAssignments', ''), $nb_assignments);
- $csv_content[] = array();
- } else {
- // html part
- echo '
- <div class="report_section">
- <h4>
- <a href="student.php"><img src="'.api_get_path(WEB_IMG_PATH).'students.gif"> '.get_lang('Probationers').' ('.$nb_students.')'.'</a>
- </h4>
- <table class="data_table">
- <tr>
- <td>
- '.get_lang('InactivesStudents').'
- </td>
- <td align="right">
- '.$nb_inactive_students.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageTimeSpentOnThePlatform').'
- </td>
- <td align="right">
- '.(is_null($avg_time_spent) ? '' : api_time_to_hms($avg_time_spent)).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageCoursePerStudent').'
- </td>
- <td align="right">
- '.(is_null($avg_courses_per_student) ? '' : $avg_courses_per_student).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageProgressInLearnpath').'
- </td>
- <td align="right">
- '.(is_null($avg_total_progress) ? '' : round($avg_total_progress, 2).'%').'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageResultsToTheExercices').'
- </td>
- <td align="right">
- '.(is_null($avg_results_to_exercises) ? '' : round($avg_results_to_exercises, 2).'%').'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AveragePostsInForum').'
- </td>
- <td align="right">
- '.(is_null($nb_posts) ? '' : round($nb_posts, 2)).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('AverageAssignments').'
- </td>
- <td align="right">
- '.(is_null($nb_assignments) ? '' : 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
- ****************************************/
- $sessions = Tracking :: get_sessions_coached_by_user($_user['user_id']);
- $nb_sessions = count($sessions);
- $nb_sessions_past = $nb_sessions_future = $nb_sessions_current = 0;
- $courses = array();
- foreach ($sessions as $session) {
- if ($session['date_start'] == '0000-00-00') {
- $nb_sessions_current ++;
- } 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) {
- $nb_sessions_current++;
- }
- elseif (time() < $time_start) {
- $nb_sessions_future++;
- }
- elseif (time() > $time_end) {
- $nb_sessions_past++;
- }
- }
- $courses = array_merge($courses, Tracking::get_courses_list_from_session($session['id']));
- }
- if ($nb_sessions > 0) {
- $nb_courses_per_session = round(count($courses) / $nb_sessions, 2);
- $nb_students_per_session = round($nb_students / $nb_sessions, 2);
- } else {
- $nb_courses_per_session = null;
- $nb_students_per_session = null;
- }
- if ($export_csv) {
- //csv part
- $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);
- $csv_content[] = array(get_lang('NbStudentPerSession', '').';'.$nb_students_per_session);
- $csv_content[] = array(get_lang('NbCoursesPerSession', '').';'.$nb_courses_per_session);
- $csv_content[] = array();
- } else {
- // html part
- echo '
- <div class="report_section">
- <h4>
- <a href="session.php"><img src="'.api_get_path(WEB_IMG_PATH).'sessions.gif"> '.get_lang('Sessions').' ('.$nb_sessions.')'.'</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">
- '.$nb_sessions_future.'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbStudentPerSession').'
- </td>
- <td align="right">
- '.(is_null($nb_students_per_session) ? '' : $nb_students_per_session).'
- </td>
- </tr>
- <tr>
- <td>
- '.get_lang('NbCoursesPerSession').'
- </td>
- <td align="right">
- '.(is_null($nb_courses_per_session) ? '' : $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('courses', 'get_number_of_courses' ,'get_course_data');
- $parameters['view'] = 'teacher';
- $parameters['class'] = 'data_table';
- $table->set_additional_parameters($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').Display :: return_icon('info3.gif', get_lang('TimeOfActiveByTraining'), array('align' => 'absmiddle', 'hspace' => '3px')), false);
- $table -> set_header(3, get_lang('AvgStudentsProgress').Display :: return_icon('info3.gif', get_lang('AvgAllUsersInAllCourses'), array('align' => 'absmiddle', 'hspace' => '3px')), false);
- $table -> set_header(4, get_lang('AvgCourseScore').Display :: return_icon('info3.gif', get_lang('AvgAllUsersInAllCourses'), array('align' => 'absmiddle', 'hspace' => '3px')), false);
- $table -> set_header(5, get_lang('AvgExercisesScore').Display :: return_icon('info3.gif', get_lang('AvgAllUsersInAllCourses'), array('align' => 'absmiddle', 'hspace' => '3px')), false);
- $table -> set_header(6, get_lang('AvgMessages'), false);
- $table -> set_header(7, get_lang('AvgAssignments'), false);
- $table -> set_header(8, get_lang('Details'), false);
- $csv_content[] = array (
- get_lang('CourseTitle', ''),
- get_lang('NbStudents', ''),
- get_lang('AvgTimeSpentInTheCourse', ''),
- get_lang('AvgStudentsProgress', ''),
- get_lang('AvgCourseScore', ''),
- get_lang('AvgExercisesScore', ''),
- get_lang('AvgMessages', ''),
- get_lang('AvgAssignments', '')
- );
- $table->display();
- }
- }
- if ($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>';
- }
- echo '<br /><br />';
- if ($_GET['display'] === 'useroverview') {
- display_tracking_user_overview();
- } else {
- if ($export_csv) {
- $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
- } else {
- $is_western_name_order = api_is_western_name_order();
- }
- $sort_by_first_name = api_sort_by_first_name();
- $tracking_column = isset($_GET['tracking_list_coaches_column']) ? $_GET['tracking_list_coaches_column'] : ($is_western_name_order xor $sort_by_first_name) ? 1 : 0;
- $tracking_direction = (isset($_GET['tracking_list_coaches_direction']) && in_array(strtoupper($_GET['tracking_list_coaches_direction']), array('ASC', 'DESC', 'ASCENDING', 'DESCENDING', '0', '1'))) ? $_GET['tracking_list_coaches_direction'] : 'DESC';
- // Prepare array for column order - when impossible, use some of user names.
- if ($is_western_name_order) {
- $order = array(0 => 'firstname', 1 => 'lastname', 2 => ($sort_by_first_name ? 'firstname' : 'lastname'), 3 => 'login_date', 4 => ($sort_by_first_name ? 'firstname' : 'lastname'), 5 => ($sort_by_first_name ? 'firstname' : 'lastname'));
- } else {
- $order = array(0 => 'lastname', 1 => 'firstname', 2 => ($sort_by_first_name ? 'firstname' : 'lastname'), 3 => 'login_date', 4 => ($sort_by_first_name ? 'firstname' : 'lastname'), 5 => ($sort_by_first_name ? 'firstname' : 'lastname'));
- }
- $table = new SortableTable('tracking_list_coaches', 'count_coaches', null, ($is_western_name_order xor $sort_by_first_name) ? 1 : 0);
- $parameters['view'] = 'admin';
- $table->set_additional_parameters($parameters);
- if ($is_western_name_order) {
- $table -> set_header(0, get_lang('FirstName'), true, 'align="center"');
- $table -> set_header(1, get_lang('LastName'), true, 'align="center"');
- } else {
- $table -> set_header(0, get_lang('LastName'), true, 'align="center"');
- $table -> set_header(1, get_lang('FirstName'), 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);
- $table -> set_header(7, get_lang('Sessions'), false, 'align="center"');
- if ($is_western_name_order) {
- $csv_header[] = array (
- get_lang('FirstName', ''),
- get_lang('LastName', ''),
- get_lang('TimeSpentOnThePlatform', ''),
- get_lang('LastConnexion', ''),
- get_lang('NbStudents', ''),
- get_lang('CountCours', ''),
- get_lang('NumberOfSessions', '')
- );
- } else {
- $csv_header[] = array (
- get_lang('LastName', ''),
- get_lang('FirstName', ''),
- 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 scu.id_user as id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM $tbl_user, $tbl_session_course_user scu, $tbl_track_login
- WHERE scu.id_user=user_id AND scu.status=2 AND login_user_id=user_id
- GROUP BY user_id ";
-
- if ($_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) {
- $sqlCoachs = "SELECT DISTINCT scu.id_user as id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
- FROM $tbl_user, $tbl_session_course_user scu, $tbl_track_login , $tbl_session_rel_access_url session_rel_url
- WHERE scu.id_user=user_id AND scu.status=2 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;
- }
- $result_coaches = Database::query($sqlCoachs, __FILE__, __LINE__);
- $total_no_coaches = Database::num_rows($result_coaches);
- $global_coaches = array();
- while ($coach = Database::fetch_array($result_coaches)) {
- $global_coaches[$coach['user_id']] = $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;
- }
- }
- $result_sessions_coach = Database::query($sql_session_coach, __FILE__, __LINE__);
- $total_no_coaches += Database::num_rows($result_sessions_coach);
- while ($coach = Database::fetch_array($result_sessions_coach)) {
- $global_coaches[$coach['user_id']] = $coach;
- }
- $all_datas = array();
- foreach ($global_coaches as $id_coach => $coaches) {
- $time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($coaches['user_id']));
- $last_connection = Tracking :: get_last_connection_date($coaches['user_id']);
- $nb_students = count(Tracking :: get_student_followed_by_coach($coaches['user_id']));
- $nb_courses = count(Tracking :: get_courses_followed_by_coach($coaches['user_id']));
- $nb_sessions = count(Tracking :: get_sessions_coached_by_user($coaches['user_id']));
- $table_row = array();
- if ($is_western_name_order) {
- $table_row[] = $coaches['firstname'];
- $table_row[] = $coaches['lastname'];
- } else {
- $table_row[] = $coaches['lastname'];
- $table_row[] = $coaches['firstname'];
- }
- $table_row[] = $time_on_platform;
- $table_row[] = $last_connection;
- $table_row[] = $nb_students;
- $table_row[] = $nb_courses;
- $table_row[] = $nb_sessions;
- $table_row[] = '<center><a href="session.php?id_coach='.$coaches['user_id'].'"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a></center>';
- $all_datas[] = $table_row;
- if ($is_western_name_order) {
- $csv_content[] = array(
- api_html_entity_decode($coaches['firstname'], ENT_QUOTES, $charset),
- api_html_entity_decode($coaches['lastname'], ENT_QUOTES, $charset),
- $time_on_platform,
- $last_connection,
- $nb_students,
- $nb_courses,
- $nb_sessions
- );
- } else {
- $csv_content[] = array(
- api_html_entity_decode($coaches['lastname'], ENT_QUOTES, $charset),
- api_html_entity_decode($coaches['firstname'], ENT_QUOTES, $charset),
- $time_on_platform,
- $last_connection,
- $nb_students,
- $nb_courses,
- $nb_sessions
- );
- }
- }
- if ($tracking_column != 3) {
- if ($tracking_direction == 'DESC') {
- usort($all_datas, 'rsort_users');
- } else {
- usort($all_datas, 'sort_users');
- }
- }
- if ($export_csv && $tracking_column != 3) {
- usort($csv_content, 'sort_users');
- }
- if ($export_csv) {
- $csv_content = array_merge($csv_header, $csv_content);
- }
- foreach ($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();
- Export :: export_table_csv($csv_content, 'reporting_index');
- exit;
- }
- //footer
- if (!$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);
- $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
- $sort_by_first_name = api_sort_by_first_name();
- // the values of the sortable table
- if ($_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 {
- $orderby = 0;
- }
- if ($is_western_name_order != api_is_western_name_order() && ($orderby == 1 || $orderby == 2)) {
- // Swapping the sorting column if name order for export is different than the common name order.
- $orderby = 3 - $orderby;
- }
- if ($_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();
- $csv_row[] = get_lang('OfficialCode');
- if ($is_western_name_order) {
- $csv_row[] = get_lang('FirstName', '');
- $csv_row[] = get_lang('LastName', '');
- } else {
- $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');
- $fields = UserManager::get_extra_fields(0, 50, 5, 'ASC');
-
- if (is_array($_SESSION['additional_export_fields'])) {
- 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('AvgCourseScore', '');
- $csv_row[] = get_lang('AvgExercisesScore', '');
- $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])."'";
- $result = Database::query($sql, __FILE__, __LINE__);
- while ($row = Database::fetch_row($result)) {
- $csv_row = array();
- // user official code
- $csv_row[] = $user[0];
- // user first|last name
- $csv_row[] = $user[1];
- // user last|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]);
-
- if (is_array($field_names_to_be_exported)) {
- foreach ($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
- $csv_row[] = round(Tracking :: get_avg_student_progress ($user[4], $row[0]), 2);
- // student score
- $csv_row[] = round(Tracking :: get_avg_student_score ($user[4], $row[0]), 2);
- // student tes score
- $csv_row[] = round(Tracking :: get_avg_student_exercise_score ($user[4], $row[0]), 2);
- // 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');
- exit;
- }
- /**
- * 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();
- $t_head .= ' <table style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
- $t_head .= ' <caption>'.get_lang('CourseInformation').'</caption>';
- $t_head .= '<tr>';
- $t_head .= ' <th width="155px" style="border-left:0;border-bottom:0"><span>'.get_lang('Course').'</span></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgTimeSpentInTheCourse'), 6, true).'</span></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgStudentsProgress'), 6, true).'</span></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgCourseScore'), 6, true).'</span></th>';
- //$t_head .= ' <th><div style="width:40px">'.get_lang('AvgExercisesScore').'</div></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgMessages'), 6, true).'</span></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgAssignments'), 6, true).'</span></th>';
- $t_head .= ' <th width="105px" style="border-bottom:0"><span>'.get_lang('TotalExercisesScoreObtained').'</span></th>';
- //$t_head .= ' <th><div>'.get_lang('TotalExercisesScorePossible').'</div></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalExercisesAnswered'), 6, true).'</span></th>';
- //$t_head .= ' <th><div>'.get_lang('TotalExercisesScorePercentage').'</div></th>';
- //$t_head .= ' <th><div style="width:60px">'.get_lang('FirstLogin').'</div></th>';
- $t_head .= ' <th style="padding:0;border-bottom:0;border-right:0;"><span>'.get_lang('LatestLogin').'</span></th>';
- $t_head .= ' </tr></table>';
- $addparams = array('view' => 'admin', 'display' => 'useroverview');
- $table = new SortableTable('tracking_user_overview', 'get_number_of_users_tracking_overview', 'get_user_data_tracking_overview', 0);
- $table->additional_parameters = $addparams;
- $table->set_header(0, get_lang('OfficialCode'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- if (api_is_western_name_order()) {
- $table->set_header(1, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- $table->set_header(2, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- } else {
- $table->set_header(1, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- $table->set_header(2, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- }
- $table->set_header(3, get_lang('LoginName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
- $table->set_header(4, $t_head, false, array('style' => 'width:90%;border:0;padding:0;font-size:7.5pt;'), array('style' => 'width:90%;padding:0;font-size:7.5pt;'));
- $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;
- $result = Database::query($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);
- global $export_csv;
- if ($export_csv) {
- $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
- } else {
- $is_western_name_order = api_is_western_name_order();
- }
- $sql = "SELECT
- official_code AS col0,
- ".($is_western_name_order ? "
- firstname AS col1,
- lastname AS col2,
- " : "
- 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";
- $result = Database::query($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
- $return .= '<table class="data_table" style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
- /*$return .= ' <tr>';
- $return .= ' <th>'.get_lang('Course').'</th>';
- $return .= ' <th>'.get_lang('AvgTimeSpentInTheCourse').'</th>';
- $return .= ' <th>'.get_lang('AvgStudentsProgress').'</th>';
- $return .= ' <th>'.get_lang('AvgCourseScore').'</th>';
- $return .= ' <th>'.get_lang('AvgExercisesScore').'</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)."'";
- $result = Database::query($sql, __FILE__, __LINE__);
- while ($row = Database::fetch_row($result)) {
- $return .= '<tr>';
- // course code
- $return .= ' <td width="157px" >'.cut($row[0], 20, true).'</td>';
- // time spent in the course
- $return .= ' <td><div>'.api_time_to_hms(Tracking :: get_time_spent_on_the_course($user_id, $row[0])).'</div></td>';
- // student progress in course
- $return .= ' <td><div>'.round(Tracking :: get_avg_student_progress($user_id, $row[0]), 2).'</div></td>';
- // student score
- $return .= ' <td><div>'.round(Tracking :: get_avg_student_score($user_id, $row[0]), 2).'</div></td>';
- // student tes score
- //$return .= ' <td><div style="width:40px">'.round(Tracking :: get_avg_student_exercise_score ($user_id, $row[0]),2).'%</div></td>';
- // student messages
- $return .= ' <td><div>'.Tracking :: count_student_messages($user_id, $row[0]).'</div></td>';
- // student assignments
- $return .= ' <td><div>'.Tracking :: count_student_assignments($user_id, $row[0]).'</div></td>';
- // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
- $exercises_results = exercises_results($user_id, $row[0]);
- $return .= ' <td width="105px"><div>'.(is_null($exercises_results['percentage']) ? '' : $exercises_results['score_obtained'].'/'.$exercises_results['score_possible'].' ( '.$exercises_results['percentage'].'% )').'</div></td>';
- //$return .= ' <td><div>'.$exercises_results['score_possible'].'</div></td>';
- $return .= ' <td><div>'.$exercises_results['questions_answered'].'</div></td>';
- //$return .= ' <td><div>'.$exercises_results['percentage'].'% </div></td>';
- // first connection
- //$return .= ' <td width="60px">'.Tracking :: get_first_connection_date_on_the_course ($user_id, $row[0]).'</td>';
- // last connection
- $return .= ' <td><div>'.Tracking :: get_last_connection_date_on_the_course ($user_id, $row[0]).'</div></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)."'";
- $result = Database::query($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);
- } else {
- $percentage = null;
- }
- 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', false);
-
- // 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']));
-
- if (is_array($extrafields) && count($extrafields) > 0) {
- foreach ($extrafields as $key => $extra) {
- $form->addElement('checkbox', 'extra_export_field'.$extra[0], '', $extra[3]);
- }
- $form->addElement('style_submit_button','submit', get_lang('Ok'),'class="save"' );
-
- // setting the default values for the form that contains all the extra fields
- if (is_array($_SESSION['additional_export_fields'])) {
- foreach ($_SESSION['additional_export_fields'] as $key => $value) {
- $defaults['extra_export_field'.$value] = 1;
- }
- }
- $form->setDefaults($defaults);
- } else {
- $form->addElement('html', Display::display_warning_message(get_lang('ThereAreNotExtrafieldsAvailable')));
- }
-
- if ($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 && strstr($field_ids,'extra_export_field')) {
- $_SESSION['additional_export_fields'][] = str_replace('extra_export_field', '', $field_ids);
- }
- }
-
- // adding the fields that will be also exported to a message string
- if (is_array($_SESSION['additional_export_fields'])) {
- 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;
- }
- /**
- * Get number of courses for sortable with pagination
- * @return int
- */
- function get_number_of_courses() {
- global $courses;
- return count($courses);
- }
- /**
- * Get data for courses list in sortable with pagination
- * @return array
- */
- function get_course_data($from, $number_of_items, $column, $direction) {
-
- global $courses, $csv_content, $charset ;
- global $tbl_course, $tbl_course_user, $tbl_track_cours_access, $tbl_session_course_user;
-
- $a_course_students = array();
- $course_data = array();
- $arr_course = $courses;
- foreach ($arr_course as &$cours) {
- $cours = "'{$cours[course_code]}'";
- }
-
- // get all courses with limit
- $sql = "SELECT course.code as col1, course.title as col2
- FROM $tbl_course course
- WHERE course.code IN (".implode(',',$arr_course).")";
- 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__);
- while ($row_course = Database::fetch_row($res)) {
- $course_code = $row_course[0];
- $course_info = api_get_course_info($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 = $avg_score_in_exercise = 0;
- $tbl_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY, $course_info['dbName']);
- $tbl_forum_post = Database :: get_course_table(TABLE_FORUM_POST, $course_info['dbName']);
- $tbl_course_lp_view = Database :: get_course_table(TABLE_LP_VIEW, $course_info['dbName']);
- $tbl_course_lp = Database :: get_course_table(TABLE_LP_MAIN, $course_info['dbName']);
-
- // 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'
- UNION DISTINCT SELECT id_user as user_id FROM $tbl_session_course_user srcu WHERE srcu. course_code='$course_code'";
- $rs = Database::query($sql, __FILE__, __LINE__);
- $users = array();
- while ($row = Database::fetch_array($rs)) {
- $users[] = $row['user_id'];
- }
- if (count($users) > 0) {
- $nb_students_in_course = count($users);
- $avg_assignments_in_course = Tracking::count_student_assignments($users, $course_code);
- $avg_messages_in_course = Tracking::count_student_messages($users, $course_code);
- $avg_time_spent_in_course = Tracking::get_time_spent_on_the_course($users, $course_code);
- $avg_progress_in_course = Tracking::get_avg_student_progress($users, $course_code);
- $avg_score_in_course = Tracking :: get_avg_student_score($users, $course_code);
- $avg_score_in_exercise = Tracking::get_avg_student_exercise_score($users, $course_code);
-
- $avg_time_spent_in_course = api_time_to_hms($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);
- $avg_score_in_exercise = round($avg_score_in_exercise / $nb_students_in_course, 2);
- } else {
- $avg_time_spent_in_course = null;
- $avg_progress_in_course = null;
- $avg_score_in_course = null;
- $avg_score_in_exercise = null;
- $avg_messages_in_course = null;
- $avg_assignments_in_course = null;
- }
- $table_row = array();
- $table_row[] = $row_course[1];
- $table_row[] = $nb_students_in_course;
- $table_row[] = $avg_time_spent_in_course;
- $table_row[] = is_null($avg_progress_in_course) ? '' : $avg_progress_in_course.'%';
- $table_row[] = is_null($avg_score_in_course) ? '' : $avg_score_in_course.'%';
- $table_row[] = is_null($avg_score_in_exercise) ? '' : $avg_score_in_exercise.'%';
- $table_row[] = $avg_messages_in_course;
- $table_row[] = $avg_assignments_in_course;
- //set the "from" value to know if I access the Reporting by the Dokeos tab or the course link
- $table_row[] = '<center><a href="../tracking/courseLog.php?cidReq='.$course_code.'&studentlist=true&from=myspace"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a></center>';
- $csv_content[] = array(
- api_html_entity_decode($row_course[1], ENT_QUOTES, $charset),
- $nb_students_in_course,
- $avg_time_spent_in_course,
- is_null($avg_progress_in_course) ? null : $avg_progress_in_course.'%',
- is_null($avg_score_in_course) ? null : $avg_score_in_course.'%',
- is_null($avg_score_in_exercise) ? null : $avg_score_in_exercise.'%',
- $avg_messages_in_course,
- $avg_assignments_in_course,
- );
- $course_data[] = $table_row;
- }
- return $course_data;
- }
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