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<?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/>.
/**
* View for BigBlueButton interaction.
*
* @package mod_bigbluebuttonbn
* @copyright 2010 onwards, Blindside Networks Inc
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Jesus Federico (jesus [at] blindsidenetworks [dt] com)
*/
use core\notification;
use mod_bigbluebuttonbn\instance;
use mod_bigbluebuttonbn\local\exceptions\server_not_available_exception;
use mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy;
use mod_bigbluebuttonbn\logger;
use mod_bigbluebuttonbn\meeting;
use mod_bigbluebuttonbn\plugin;
use mod_bigbluebuttonbn\recording;
require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
global $SESSION, $PAGE, $CFG, $DB, $USER, $OUTPUT;
$action = required_param('action', PARAM_TEXT);
$id = optional_param('id', 0, PARAM_INT);
$bn = optional_param('bn', 0, PARAM_INT);
$rid = optional_param('rid', '', PARAM_TEXT);
$rtype = optional_param('rtype', 'presentation', PARAM_TEXT);
$errors = optional_param('errors', '', PARAM_TEXT);
$timeline = optional_param('timeline', 0, PARAM_INT);
$index = optional_param('index', 0, PARAM_INT);
$group = optional_param('group', -1, PARAM_INT);
// Get the bbb instance from either the cmid (id), or the instanceid (bn).
if ($id) {
$instance = instance::get_from_cmid($id);
} else {
if ($bn) {
$instance = instance::get_from_instanceid($bn);
}
}
if (!$instance) {
throw new moodle_exception('view_error_url_missing_parameters', plugin::COMPONENT);
}
$cm = $instance->get_cm();
$course = $instance->get_course();
$bigbluebuttonbn = $instance->get_instance_data();
$context = $instance->get_context();
require_login($course, true, $cm);
// Note : this uses the group optional_param as a value to decide which groupid.
$groupid = groups_get_activity_group($cm, true) ?: null;
if ($groupid) {
$instance->set_group_id($groupid);
}
// Print the page header.
$PAGE->set_context($context);
$PAGE->set_url('/mod/bigbluebuttonbn/bbb_view.php', ['id' => $cm->id, 'bigbluebuttonbn' => $bigbluebuttonbn->id]);
$PAGE->set_title(format_string($bigbluebuttonbn->name));
$PAGE->set_cacheable(false);
$PAGE->set_heading($course->fullname);
$PAGE->blocks->show_only_fake_blocks();
switch (strtolower($action)) {
case 'logout':
if (isset($errors) && $errors != '') {
$errors = (array) json_decode(urldecode($errors));
$msgerrors = '';
foreach ($errors as $error) {
$msgerrors .= html_writer::tag('p', $error->{'message'}, ['class' => 'alert alert-danger']) . "\n";
}
throw new moodle_exception('view_error_bigbluebutton', 'bigbluebuttonbn',
$CFG->wwwroot . '/mod/bigbluebuttonbn/view.php?id=' . $id, $msgerrors, $errors);
}
if (empty($bigbluebuttonbn)) {
echo get_string('view_message_tab_close', 'bigbluebuttonbn');
die();
}
// Moodle event logger: Create an event for meeting left.
logger::log_meeting_left_event($instance);
// Update the cache.
$meeting = new meeting($instance);
$meeting->update_cache();
// Check the origin page.
$select = "userid = ? AND log = ?";
$params = [
'userid' => $USER->id,
'log' => logger::EVENT_JOIN,
];
$accesses = $DB->get_records_select('bigbluebuttonbn_logs', $select, $params, 'id ASC', 'id, meta', 1);
$lastaccess = end($accesses);
if (!empty($lastaccess->meta)) {
$lastaccess = json_decode($lastaccess->meta);
// If the user acceded from Timeline it should be redirected to the Dashboard.
if (isset($lastaccess->origin) && $lastaccess->origin == logger::ORIGIN_TIMELINE) {
redirect($CFG->wwwroot . '/my/');
}
}
break;
case 'join':
if (empty($bigbluebuttonbn)) {
throw new moodle_exception('view_error_unable_join', 'bigbluebuttonbn');
break;
}
// Check the origin page.
$origin = logger::ORIGIN_BASE;
if ($timeline) {
$origin = logger::ORIGIN_TIMELINE;
} else if ($index) {
$origin = logger::ORIGIN_INDEX;
}
try {
$url = meeting::join_meeting($instance, $origin);
redirect($url);
} catch (server_not_available_exception $e) {
bigbluebutton_proxy::handle_server_not_available($instance);
}
// We should never reach this point.
break;
case 'play':
$recording = recording::get_record(['id' => $rid]);
if ($href = $recording->get_remote_playback_url($rtype)) {
logger::log_recording_played_event($instance, $rid);
redirect(urldecode($href));
} else {
notification::add(get_string('recordingurlnotfound', 'mod_bigbluebuttonbn'), notification::ERROR);
redirect($instance->get_view_url());
}
// We should never reach this point.
break;
}
// When we reach this point, we can close the tab or window where BBB was opened.
echo $OUTPUT->header();
// Behat does not like when we close the Windows as it is expecting to locate
// on click part of the pages (bug with selenium raising an exception). So this is a workaround.
if (!defined('BEHAT_SITE_RUNNING')) {
$PAGE->requires->js_call_amd('mod_bigbluebuttonbn/rooms', 'setupWindowAutoClose');
}
echo $OUTPUT->footer();