if ($mform->is_cancelled()) {
redirect($att->url_manage());
}
if ($formdata = $mform->get_data()) {
$att->update_session_from_form_data($formdata, $sessionid);
redirect($att->url_manage(), get_string('sessionupdated', 'local_attendance'));
}
break;
case local_att_sessions_page_params::ACTION_DELETE:
$sessionid = required_param('sessionid', PARAM_INT);
$confirm = optional_param('confirm', null, PARAM_INT);
if (isset($confirm) && confirm_sesskey()) {
$att->delete_sessions(array($sessionid));
if ($att->grade > 0) {
local_att_update_all_users_grades($att->id, $att->semesterinfo ,$att->context, $att->classinfo ,$att);
}
redirect($att->url_manage(), get_string('sessiondeleted', 'local_attendance'));
}
$sessinfo = $att->get_session_info($sessionid);
$message = get_string('deletecheckfull', '', get_string('session', 'local_attendance'));
$message .= str_repeat(html_writer::empty_tag('br'), 2);
$message .= userdate($sessinfo->sessdate, get_string('strftimedmyhm', 'local_attendance'));
$message .= html_writer::empty_tag('br');
$message .= $sessinfo->description;
$params = array('action' => $att->pageparams->action, 'sessionid' => $sessionid, 'confirm' => 1, 'sesskey' => sesskey());
