presence.php

<?php
header('content-type: application/json');
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Page module version information
 *
 * @package mod_palestra
 * @copyright  2021 Interlegis (https://www.interlegis.leg.br)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require('../../config.php');
require_once($CFG->dirroot.'/mod/palestra/lib.php');

$id = optional_param('id', null, PARAM_INT);

if (!$id) {
    echo get_string('presence_unregistered', 'palestra');
} else {
    $DB->set_field('palestra_presence', 'lastcheck', time(), array('id'=>$id));
    echo "done";
}