/**
* Prepare info about attendance sessions taking into account view parameters.
*
* @param attendance $att instance
*/
public function __construct(attendance $att)
{
$this->perm = $att->perm;
$this->sessions = $att->get_filtered_sessions();
$this->groups = groups_get_all_groups($att->course->id);
$this->hiddensessionscount = $att->get_hidden_sessions_count();
$this->att = $att;
}
$att->update_sessions_duration($sessionsids, $duration);
redirect($att->url_manage(), get_string('sessionupdated', 'attendance'));
}
if ($slist === '') {
print_error('nosessionsselected', 'attendance', $att->url_manage());
}
break;
case att_sessions_page_params::ACTION_DELETE_HIDDEN:
$confirm = optional_param('confirm', null, PARAM_INT);
if ($confirm && confirm_sesskey()) {
$sessions = $att->get_hidden_sessions();
$att->delete_sessions(array_keys($sessions));
redirect($att->url_manage(), get_string('hiddensessionsdeleted', 'attendance'));
}
$a = new stdClass();
$a->count = $att->get_hidden_sessions_count();
$a->date = userdate($course->startdate);
$message = get_string('confirmdeletehiddensessions', 'attendance', $a);
$params = array('action' => $att->pageparams->action, 'confirm' => 1, 'sesskey' => sesskey());
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('attendanceforthecourse', 'attendance') . ' :: ' . format_string($course->fullname));
echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
echo $OUTPUT->footer();
exit;
}
$output = $PAGE->get_renderer('mod_attendance');
$tabs = new attendance_tabs($att, attendance_tabs::TAB_ADD);
echo $output->header();
echo $output->heading(get_string('attendanceforthecourse', 'attendance') . ' :: ' . format_string($course->fullname));
echo $output->render($tabs);
$mform->display();
