Proyectos de Subversion Moodle

<?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) {

    $courseid = optional_param('courseid', 1, PARAM_INT);

    \core\notification::error(get_string('general_error_not_found', 'mod_bigbluebuttonbn', $id));

    redirect(new moodle_url('/course/view.php', ['id' => $courseid]));

}

$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();