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/>.

namespace mod_bigbluebuttonbn\output;

use html_table;

use html_writer;

use mod_bigbluebuttonbn\instance;

use mod_bigbluebuttonbn\meeting;

use mod_bigbluebuttonbn\plugin;

use renderable;

use renderer_base;

use stdClass;

/**

 * Renderer for the Index page.

 *

 * @package   mod_bigbluebuttonbn

 * @copyright 2010 onwards, Blindside Networks Inc

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class index implements renderable {

    /** @var stdClass */

    protected $course;

    /** @var stdClass[] */

    protected $instances;

    /**

     * Constructor for the index renderable.

     *

     * @param stdClass $course

     * @param instance[] List of bbbbn instances

     */

    public function __construct(stdClass $course, array $instances) {

        $this->course = $course;

        $this->instances = $instances;

    }

    /**

     * Get the table for the index page.

     *

     * @param renderer_base $output

     * @return html_table

     */

    public function get_table(renderer_base $output): html_table {

        // Print the list of instances.

        $table = new html_table();

        if (course_format_uses_sections($this->course->format)) {

            $sectionheading = course_get_format($this->course)->get_generic_section_name();

        } else {

            $sectionheading = '';

        }

        $table->head = [

            $sectionheading,

            get_string('index_heading_name', plugin::COMPONENT),

            get_string('index_heading_group', plugin::COMPONENT),

            get_string('index_heading_users', plugin::COMPONENT),

            get_string('index_heading_viewer', plugin::COMPONENT),

            get_string('index_heading_moderator', plugin::COMPONENT),

            get_string('index_heading_recording', plugin::COMPONENT),

            get_string('index_heading_actions', plugin::COMPONENT),

        ];

        $table->align = ['center', 'left', 'center', 'center', 'center', 'center', 'center'];

        $modinfo = get_fast_modinfo($this->course);

        foreach ($modinfo->instances['bigbluebuttonbn'] as $cm) {

            $instance = $this->instances[$cm->id];

            $this->add_instance_to_table($output, $table, $instance);

        }

        return $table;

    }

    /**

     * Add details of the bigbluebuttonbn instance to the table.

     *

     * @param renderer_base $output

     * @param html_table $table

     * @param instance $instance

     */

    protected function add_instance_to_table(renderer_base $output, html_table $table, instance $instance): void {

        $cm = $instance->get_cm();

        if (!$cm->uservisible) {

            return;

        }

        if (groups_get_activity_groupmode($cm) == 0) {

            $table->data[] = $this->add_room_row_to_table($output, $instance);

        } else {

            // Add 'All participants' room information.

            $table->data[] = $this->add_room_row_to_table($output, $instance, 0);

            // Add data for the groups belonging to the bbb instance, if any.

            $groups = groups_get_activity_allowed_groups($cm);

            foreach ($groups as $group) {

                $table->data[] = $this->add_room_row_to_table($output, $instance, $group->id);

            }

        }

    }

    /**

     * Displays the general view.

     *

     * @param renderer_base $output

     * @param instance $instance

     * @param int|null $group

     * @return array

     */

    protected function add_room_row_to_table(renderer_base $output, instance $instance, ?int $group = null): array {

        if ($group) {

            $instance = instance::get_group_instance_from_instance($instance, $group);

        }

        $meeting = new meeting($instance);

        if (course_format_uses_sections($this->course->format)) {

            $sectionname = get_section_name($this->course, $instance->get_cm()->sectionnum);

        } else {

            $sectionname = '';

        }

        $viewurl = $instance->get_view_url();

        if ($groupid = $instance->get_group_id()) {

            $viewurl->param('group', $groupid);

        }

        $joinurl = html_writer::link($viewurl, format_string($instance->get_meeting_name()));

        // The meeting info was returned.

        if ($meeting->is_running()) {

            return [

                $sectionname,

                $joinurl,

                $instance->get_group_name(),

                $this->get_room_usercount($meeting),

                $this->get_room_attendee_list($meeting, 'VIEWER'),

                $this->get_room_attendee_list($meeting, 'MODERATOR'),

                $this->get_room_record_info($output, $instance),

                $this->get_room_actions($output, $instance, $meeting),

            ];

        }

        return [$sectionname, $joinurl, $instance->get_group_name(), '', '', '', '', ''];

    }

    /**

     * Count the number of users in the meeting.

     *

     * @param meeting $meeting

     * @return int

     */

    protected function get_room_usercount(meeting $meeting): int {

        return count($meeting->get_attendees());

    }

    /**

     * Returns attendee list.

     *

     * @param meeting $meeting

     * @param string $role

     * @return string

     */

    protected function get_room_attendee_list(meeting $meeting, string $role): string {

        $attendees = [];

        // Iterate attendees, matching by their "role" property.

        foreach ($meeting->get_attendees() as $attendee) {

            if (strcmp((string) $attendee['role'], $role) === 0) {

                $attendees[] = $attendee['fullName'];

            }

        }

        return implode(', ', $attendees);

    }

    /**

     * Returns indication of recording enabled.

     *

     * @param renderer_base $output

     * @param instance $instance

     * @return string

     */

    protected function get_room_record_info(renderer_base $output, instance $instance): string {

        if ($instance->is_recorded()) {

            // If it has been set when meeting created, set the variable on/off.

            return get_string('index_enabled', 'bigbluebuttonbn');

        }

        return '';

    }

    /**

     * Returns room actions.

     *

     * @param renderer_base $output

     * @param instance $instance

     * @param meeting $meeting

     * @return string

     */

    protected function get_room_actions(renderer_base $output, instance $instance, meeting $meeting): string {

        if ($instance->is_moderator()) {

            return $output->render_from_template('mod_bigbluebuttonbn/end_session_button', (object) [

                'bigbluebuttonbnid' => $instance->get_instance_id(),

                'groupid' => $instance->get_group_id(),

                'statusrunning' => $meeting->is_running(),

            ]);

        }

        return '';

    }

}