function get_users($from, $limit, $column, $direction)
{
$active = isset($_GET['active']) ? $_GET['active'] : 1;
$keyword = isset($_GET['keyword']) ? Security::remove_XSS($_GET['keyword']) : null;
$sleepingDays = isset($_GET['sleeping_days']) ? intval($_GET['sleeping_days']) : null;
$lastConnectionDate = null;
if (!empty($sleepingDays)) {
$lastConnectionDate = api_get_utc_datetime(strtotime($sleepingDays . ' days ago'));
}
$is_western_name_order = api_is_western_name_order();
$coach_id = api_get_user_id();
$drhLoaded = false;
if (api_is_drh()) {
$column = 'u.user_id';
if (api_drh_can_access_all_session_content()) {
$students = SessionManager::getAllUsersFromCoursesFromAllSessionFromStatus('drh_all', api_get_user_id(), false, $from, $limit, $column, $direction, $keyword, $active, $lastConnectionDate, null, null, api_is_student_boss() ? null : STUDENT);
$drhLoaded = true;
}
}
if ($drhLoaded == false) {
$students = UserManager::getUsersFollowedByUser(api_get_user_id(), api_is_student_boss() ? null : STUDENT, false, false, false, $from, $limit, $column, $direction, $active, $lastConnectionDate, api_is_student_boss() ? STUDENT_BOSS : COURSEMANAGER, $keyword);
}
$all_datas = array();
foreach ($students as $student_data) {
$student_id = $student_data['user_id'];
if (isset($_GET['id_session'])) {
$courses = Tracking::get_course_list_in_session_from_student($student_id, $_GET['id_session']);
}
$avg_time_spent = $avg_student_score = $avg_student_progress = $total_assignments = $total_messages = 0;
$nb_courses_student = 0;
if (!empty($courses)) {
foreach ($courses as $course_code) {
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
if (CourseManager::is_user_subscribed_in_course($student_id, $course_code, true)) {
$avg_time_spent += Tracking::get_time_spent_on_the_course($student_id, $courseId, $_GET['id_session']);
$my_average = Tracking::get_avg_student_score($student_id, $course_code);
if (is_numeric($my_average)) {
$avg_student_score += $my_average;
}
$avg_student_progress += Tracking::get_avg_student_progress($student_id, $course_code);
$total_assignments += Tracking::count_student_assignments($student_id, $course_code);
$total_messages += Tracking::count_student_messages($student_id, $course_code);
$nb_courses_student++;
}
}
}
if ($nb_courses_student > 0) {
$avg_time_spent = $avg_time_spent / $nb_courses_student;
$avg_student_score = $avg_student_score / $nb_courses_student;
$avg_student_progress = $avg_student_progress / $nb_courses_student;
} else {
$avg_time_spent = null;
$avg_student_score = null;
$avg_student_progress = null;
}
$row = array();
if ($is_western_name_order) {
$row[] = $student_data['firstname'];
$row[] = $student_data['lastname'];
} else {
$row[] = $student_data['lastname'];
$row[] = $student_data['firstname'];
}
$string_date = Tracking::get_last_connection_date($student_id, true);
$first_date = Tracking::get_first_connection_date($student_id);
$row[] = $first_date;
$row[] = $string_date;
if (isset($_GET['id_coach']) && intval($_GET['id_coach']) != 0) {
$detailsLink = '<a href="myStudents.php?student=' . $student_id . '&id_coach=' . $coach_id . '&id_session=' . $_GET['id_session'] . '">
<img src="' . api_get_path(WEB_IMG_PATH) . '2rightarrow.gif" border="0" /></a>';
} else {
$detailsLink = '<a href="myStudents.php?student=' . $student_id . '">
<img src="' . api_get_path(WEB_IMG_PATH) . '2rightarrow.gif" border="0" /></a>';
}
$row[] = $detailsLink;
$all_datas[] = $row;
}
return $all_datas;
}
$table -> set_header(6, get_lang('Messages'), false);*/
$table->set_header(2, get_lang('FirstLogin'), false);
$table->set_header(3, get_lang('LatestLogin'), false);
$table->set_header(4, get_lang('Details'), false);
if ($export_csv) {
if ($is_western_name_order) {
$csv_header[] = array(get_lang('FirstName', ''), get_lang('LastName', ''), get_lang('FirstLogin', ''), get_lang('LatestLogin', ''));
} else {
$csv_header[] = array(get_lang('LastName', ''), get_lang('FirstName', ''), get_lang('FirstLogin', ''), get_lang('LatestLogin', ''));
}
}
$all_datas = array();
foreach ($students as $student_id) {
$student_data = UserManager::get_user_info_by_id($student_id);
if (!empty($session_id)) {
$courses = Tracking::get_course_list_in_session_from_student($student_id, $session_id);
}
$avg_time_spent = $avg_student_score = $avg_student_progress = $total_assignments = $total_messages = 0;
$nb_courses_student = 0;
foreach ($courses as $courseId) {
if (CourseManager::is_user_subscribed_in_course($student_id, $courseId, true)) {
$avg_time_spent += Tracking::get_time_spent_on_the_course($student_id, $courseId, $session_id);
$my_average = Tracking::get_avg_student_score($student_id, $courseId);
if (is_numeric($my_average)) {
$avg_student_score += $my_average;
}
$avg_student_progress += Tracking::get_avg_student_progress($student_id, $courseId);
$total_assignments += Tracking::count_student_assignments($student_id, $courseId);
$total_messages += Tracking::count_student_messages($student_id, $courseId);
$nb_courses_student++;
}
