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/>.

/**

 * Mobile output class for bigbluebuttonbn

 *

 * @package    mod_bigbluebuttonbn

 * @copyright  2018 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)

 */

namespace mod_bigbluebuttonbn\output;

defined('MOODLE_INTERNAL') || die();

use mod_bigbluebuttonbn\instance;

use mod_bigbluebuttonbn\local\exceptions\bigbluebutton_exception;

use mod_bigbluebuttonbn\local\exceptions\meeting_join_exception;

use mod_bigbluebuttonbn\local\exceptions\server_not_available_exception;

use mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy;

use mod_bigbluebuttonbn\logger;

use mod_bigbluebuttonbn\meeting;

global $CFG;

require_once($CFG->dirroot . '/lib/grouplib.php');

/**

 * Mobile output class for bigbluebuttonbn

 *

 * @package    mod_bigbluebuttonbn

 * @copyright  2018 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)

 */

class mobile {

    /**

     * Returns the bigbluebuttonbn course view for the mobile app.

     *

     * @param mixed $args

     * @return array HTML, javascript and other data.

     */

    public static function mobile_course_view($args): array {

        global $OUTPUT;

        $args = (object) $args;

        $versionname = $args->appversioncode >= 3950 ? 'latest' : 'ionic3';

        $instance = instance::get_from_cmid($args->cmid);

        if (!$instance) {

            return self::mobile_print_error(get_string('view_error_url_missing_parameters', 'bigbluebuttonbn'));

        }

        $cm = $instance->get_cm();

        $course = $instance->get_course();

        // Check activity status.

        if ($instance->before_start_time()) {

            $message = get_string('view_message_conference_not_started', 'bigbluebuttonbn');

            $notstarted = [

                'starts_at' => '',

                'ends_at' => '',

            ];

            if (!empty($instance->get_instance_var('openingtime'))) {

                $notstarted['starts_at'] = sprintf(

                    '%s: %s',

                    get_string('mod_form_field_openingtime', 'bigbluebuttonbn'),

                    userdate($instance->get_instance_var('openingtime'))

                );

            }

            if (!empty($instance->get_instance_var('closingtime'))) {

                $notstarted['ends_at'] = sprintf(

                    '%s: %s',

                    get_string('mod_form_field_closingtime', 'bigbluebuttonbn'),

                    userdate($instance->get_instance_var('closingtime'))

                );

            }

            return self::mobile_print_notification($instance, $message, $notstarted);

        }

        if ($instance->has_ended()) {

            $message = get_string('view_message_conference_has_ended', 'bigbluebuttonbn');

            return self::mobile_print_notification($instance, $message);

        }

        // Check if the BBB server is working.

        $serverversion = bigbluebutton_proxy::get_server_version();

        if ($serverversion === null) {

            return self::mobile_print_error(bigbluebutton_proxy::get_server_not_available_message($instance));

        }

        // Mark viewed by user (if required).

        $completion = new \completion_info($course);

        $completion->set_module_viewed($cm);

        // Validate if the user is in a role allowed to join.

        if (!$instance->can_join()) {

            return self::mobile_print_error(get_string('view_nojoin', 'bigbluebuttonbn'));

        }

        // Note: This logic should match bbb_view.php.

        // Logic of bbb_view for join to session.

        if ($instance->user_must_wait_to_join()) {

            // If user is not administrator nor moderator (user is student) and waiting is required.

            return self::mobile_print_notification(

                $instance,

                get_string('view_message_conference_wait_for_moderator', 'bigbluebuttonbn')

            );

        }

        // See if the BBB session is already in progress.

        $urltojoin = '';

        try {

            $urltojoin = meeting::join_meeting($instance);

        } catch (meeting_join_exception $e) {

            return self::mobile_print_notification($instance, $e->getMessage());

        } catch (server_not_available_exception $e) {

            return self::mobile_print_error(bigbluebutton_proxy::get_server_not_available_message($instance));

        }

        // Check groups access and show message.

        $msjgroup = [];

        $groupmode = groups_get_activity_groupmode($instance->get_cm());

        if ($groupmode != NOGROUPS) {

            $msjgroup['message'] = get_string('view_mobile_message_groups_not_supported', 'bigbluebuttonbn');

        }

        $data = [

            'bigbluebuttonbn' => $instance->get_instance_data(),

            'msjgroup' => $msjgroup,

            'urltojoin' => $urltojoin,

            'cmid' => $cm->id,

            'courseid' => $course->id,

        ];

        // We want to show a notification when user excedded 45 seconds without click button.

        $jstimecreatedmeeting = 'setTimeout(function(){

        document.getElementById("bigbluebuttonbn-mobile-notifications").style.display = "block";

        document.getElementById("bigbluebuttonbn-mobile-join").disabled = true;

        document.getElementById("bigbluebuttonbn-mobile-meetingready").style.display = "none";

        }, 45000);';

        return [

            'templates' => [

                [

                    'id' => 'main',

                    'html' => $OUTPUT->render_from_template("mod_bigbluebuttonbn/mobile_view_page_$versionname", $data),

                ],

            ],

            'javascript' => $jstimecreatedmeeting,

            'otherdata' => '',

            'files' => '',

        ];

    }

    /**

     * Returns the view for errors.

     *

     * @param string $error Error to display.

     * @return array HTML, javascript and otherdata

     */

    protected static function mobile_print_error($error): array {

        global $OUTPUT;

        return [

            'templates' => [

                [

                    'id' => 'main',

                    'html' => $OUTPUT->render_from_template('mod_bigbluebuttonbn/mobile_view_error', [

                        'error' => $error,

                    ]),

                ],

            ],

            'javascript' => '',

            'otherdata' => '',

            'files' => '',

        ];

    }

    /**

     * Returns the view for messages.

     *

     * @param instance $instance

     * @param string $message Message to display.

     * @param array $notstarted Extra messages for not started session.

     * @return array HTML, javascript and otherdata

     */

    protected static function mobile_print_notification(instance $instance, $message, $notstarted = []): array {

        global $OUTPUT, $CFG;

        $data = [

            'bigbluebuttonbn' => $instance->get_instance_data(),

            'cmid' => $instance->get_cm_id(),

            'message' => $message,

            'not_started' => $notstarted,

        ];

        return [

            'templates' => [

                [

                    'id' => 'main',

                    'html' => $OUTPUT->render_from_template('mod_bigbluebuttonbn/mobile_view_notification', $data),

                ],

            ],

            'javascript' => file_get_contents($CFG->dirroot . '/mod/bigbluebuttonbn/mobileapp/mobile.notification.js'),

            'otherdata' => '',

            'files' => ''

        ];

    }

}