$message .= html_writer::empty_tag('br');
$message .= $sessinfo->description;
}
$sessionsids = implode('_', $fromform->sessid);
$params = array('action' => $att->pageparams->action, 'sessionsids' => $sessionsids, 'confirm' => 1);
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('attendanceforthecourse', 'attforblock') . ' :: ' . $course->fullname);
echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
echo $OUTPUT->footer();
exit;
case att_sessions_page_params::ACTION_CHANGE_DURATION:
$fromform = data_submitted();
$slist = isset($fromform->sessid) ? implode('_', $fromform->sessid) : '';
$url = $att->url_sessions(array('action' => att_sessions_page_params::ACTION_CHANGE_DURATION));
$formparams['ids'] = $slist;
$mform = new mod_attforblock_duration_form($url, $formparams);
if ($mform->is_cancelled()) {
redirect($att->url_manage());
}
if ($formdata = $mform->get_data()) {
$sessionsids = explode('_', $fromform->ids);
$duration = $formdata->durtime['hours'] * HOURSECS + $formdata->durtime['minutes'] * MINSECS;
$att->update_sessions_duration($sessionsids, $duration);
redirect($att->url_manage(), get_string('sessionupdated', 'attforblock'));
}
if ($slist === '') {
print_error('nosessionsselected', 'attforblock', $att->url_manage());
}
break;
}
$output = $PAGE->get_renderer('mod_attforblock');
$sessions = get_records_list('attendance_sessions', 'id', $slist, 'sessdate');
print_heading(get_string('deletingsession', 'attforblock') . ' :: ' . $course->fullname);
$message = '<br />';
foreach ($sessions as $att) {
$message .= '<br />' . userdate($att->sessdate, get_string('strftimedmyhm', 'attforblock')) . ': ' . ($att->description ? $att->description : get_string('nodescription', 'attforblock'));
}
$slist = implode('_', array_keys($fromform->sessid));
notice_yesno(get_string('deletecheckfull', '', get_string('sessions', 'attforblock')) . $message, "sessions.php?id={$id}&sessionid={$slist}&action=deleteselected&confirm=1", $_SERVER['HTTP_REFERER']);
}
//////////////////////////////////////////////////////////
// Change duration
//////////////////////////////////////////////////////////
if ($action === 'changeduration') {
$fromform = data_submitted();
$slist = isset($fromform->sessid) ? implode('_', array_keys($fromform->sessid)) : '';
$mform_duration = new mod_attforblock_duration_form('sessions.php', array('course' => $course, 'ids' => $slist));
if ($mform_duration->is_cancelled()) {
redirect('manage.php?id=' . $id);
}
if ($fromform = $mform_duration->get_data()) {
$now = time();
$slist = implode(',', explode('_', $fromform->ids));
if (!($sessions = get_records_list('attendance_sessions', 'id', $slist))) {
error('No such session in this course');
}
foreach ($sessions as $sess) {
$sess->duration = $fromform->durtime['hours'] * HOURSECS + $fromform->durtime['minutes'] * MINSECS;
$sess->timemodified = $now;
$startdate = $sess->sessdate;
$duration = $fromform->durtime['hours'] * HOURSECS + $fromform->durtime['minutes'] * MINSECS;
$sess->sessionend = $startdate + $duration;
