lib.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/>.

/**
 * Moodle Payment plugin lib.
 *
 * @package     tool_paymentplugin
 * @author      Mitchell Halpin
 *
 * @copyright   MAHQ
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

/**
 * Extends navigation in course settings, adding a payment settings page.
 *
 * @param navigation_node $navigation
 * @param stdClass $course
 * @param context_course $coursecontext
 *
 * @return void or null
 */
function tool_paymentplugin_extend_navigation_course($navigation, $course, $coursecontext) {

    // Only add node if user has following capability.
    if (has_capability('moodle/course:create', $coursecontext)) {
        $coursenode = $navigation;

        $containernode = navigation_node::create(get_string('coursesettings:title', 'tool_paymentplugin'),
             null, navigation_node::TYPE_CONTAINER);
        $coursenode->add_node($containernode);

        $url = new moodle_url('/admin/tool/paymentplugin/course_settings.php', array('id' => $course->id));
        $settingnode = navigation_node::create(get_string('coursesettings_management:title', 'tool_paymentplugin'),
            $url, navigation_node::TYPE_SETTING);
        $containernode->add_node($settingnode);
    }
}