view.php

<?php
// 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/>.

/**
 * typorepo module main user interface
 *
 * @package    mod_typorepo
 * @copyright  Learntube Team www.learntube.de  {@link https://www.learntube.de}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../../config.php');
require_once('lib.php');

$id = optional_param('id', 0, PARAM_INT);
$t = optional_param('t' , 0, PARAM_INT);
$page = optional_param('page', 0, PARAM_INT);
$search = optional_param('search', '', PARAM_TEXT);
$editing = optional_param('editing', 0, PARAM_BOOL);
$redirect = optional_param('redirect', 0, PARAM_BOOL);

if ($t) {
    if (!$typorepo = $DB->get_record('typorepo', ['id' => $t])) {
        throw new moodle_exception('invalidaccessparameter');
    }
    $cm = get_coursemodule_from_instance('typorepo', $typorepo->id, $typorepo->course, false, MUST_EXIST);

} else {
    if (!$cm = get_coursemodule_from_id('typorepo', $id)) {
        throw new moodle_exception('invalidcoursemodule');
    }
    $typorepo = $DB->get_record('typorepo', ['id' => $cm->instance], '*', MUST_EXIST);
}

// Check typo repourl.
$typorepourl = !empty($typorepo->url) ? $typorepo->url : get_config('typorepo', url);
$course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);

require_course_login($course, true, $cm);
$context = context_module::instance($cm->id);
require_capability('mod/typorepo:view', $context);

// Completion and trigger events.
typorepo_view($typorepo, $course, $cm, $context);

// Calculate the url.
$time = time();

$token = md5($USER->id . $USER->id . $USER->id . $course->id . $time . $USER->id .
    get_config('typorepo', 'secret'));
$fullurl = $typorepourl  . '&token=' . $token . '&time=' . $time . '&moodlemodid=' . $cm->id . '&login=' .
    base64_encode($USER->id) . '&firstname=' .  base64_encode($USER->id) . '&lastname=' .
    base64_encode($USER->id) . '&courseid=' .  $course->id . '&email=' .  base64_encode($USER->id);

if ($redirect) {
    // Coming from course page or url index page.
    // This redirect trick solves caching problems when tracking views.
    redirect($fullurl);
}

$PAGE->set_url('/mod/typorepo/view.php', ['id' => $cm->id]);
$PAGE->set_title($course->shortname.': '.$typorepo->name);
$PAGE->set_heading($course->fullname);
$PAGE->set_activity_record($typorepo);

echo $OUTPUT->header();

echo '<iframe  id="typo3_content" style="margin-left: 0px;width:100%;" src="' . $fullurl . '" frameborder="0"
    scrolling="no"> </iframe> ';

echo '<script>let iframe = document.querySelector("#typo3_content");window.addEventListener("message", function(e) {let message = e.data;iframe.style.height = message.height + "px";} , false);</script>';
echo $OUTPUT->footer();