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/>.

/**
 * Load document into ONLYOFFICE editor
 *
 * @package    mod_onlyofficeeditor
 * @copyright  2024 Ascensio System SIA <integration@onlyoffice.com>
 * @copyright  based on work by 2018 Olumuyiwa Taiwo <muyi.taiwo@logicexpertise.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

$id = optional_param('id', 0, PARAM_INT); // Course_module ID.
$n = optional_param('n', 0, PARAM_INT);  // Resource instance ID.
$redirect = optional_param('redirect', 0, PARAM_BOOL);

if ($id) {
    $cm = get_coursemodule_from_id('onlyofficeeditor', $id, 0, false, MUST_EXIST);
    $course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
    $onlyoffice = $DB->get_record('onlyofficeeditor', ['id' => $cm->instance], '*', MUST_EXIST);
} else if ($n) {
    $onlyoffice = $DB->get_record('onlyofficeeditor', ['id' => $n], '*', MUST_EXIST);
    $course = $DB->get_record('course', ['id' => $onlyoffice->course], '*', MUST_EXIST);
    $cm = get_coursemodule_from_instance('onlyofficeeditor', $onlyoffice->id, $course->id, false, MUST_EXIST);
} else {
    error('You must specify a course_module ID or an instance ID');
}

require_login($course, true, $cm);
$context = CONTEXT_MODULE::instance($cm->id);
require_capability('mod/onlyofficeeditor:view', $context);

$event = \mod_onlyofficeeditor\event\course_module_viewed::create([
            'objectid' => $PAGE->cm->instance,
            'context' => $PAGE->context,
        ]);
$event->add_record_snapshot('course', $PAGE->course);
$event->add_record_snapshot($PAGE->cm->modname, $onlyoffice);
$event->trigger();

$PAGE->set_url('/mod/onlyofficeeditor/view.php', ['id' => $cm->id]);
$PAGE->set_title(format_string($onlyoffice->name));
$PAGE->set_heading(format_string($course->fullname));

echo $OUTPUT->header();
echo $OUTPUT->heading($cm->name);
echo html_writer::start_div('', ['class' => 'onlyofficeeditor-container']); // Start onlyofficeeditor-container.
$documentserverurl = get_config('onlyofficeeditor', 'documentserverurl');
$connectioninfo = \mod_onlyofficeeditor\util::get_connection_info($documentserverurl);
$httpcode = $connectioninfo['http_code'] ?? null;
if (!isset($documentserverurl) ||
        empty($documentserverurl) ||
        $httpcode != 200) {
    echo $OUTPUT->notification(get_string('docserverunreachable', 'onlyofficeeditor'), 'error');
} else {
    echo html_writer::div('', '', ['id' => 'onlyofficeeditor-editor']);
    echo html_writer::tag('script', '', ['type' => 'text/javascript',
        'src' => $documentserverurl . '/web-apps/apps/api/documents/api.js']);
    $PAGE->requires->js_call_amd('mod_onlyofficeeditor/editor', 'init', [$course->id, $cm->id]);
}
echo html_writer::end_div(); // End onlyofficeeditor-container.

echo $OUTPUT->footer();