C:/xampp/htdocs/moodle/enrol/mnet/lib.php

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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/>.

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

class enrol_mnet_plugin extends enrol_plugin {

    public function get_instance_name($instance) {
        global $DB;

        if (empty($instance)) {
            $enrol = $this->get_name();
            return get_string('pluginname', 'enrol_'.$enrol);

        } else if (empty($instance->name)) {
            $enrol = $this->get_name();
            if ($role = $DB->get_record('role', array('id'=>$instance->roleid))) {
                $role = role_get_name($role, get_context_instance(CONTEXT_COURSE, $instance->courseid));
            } else {
                $role = get_string('error');
            }
            if (empty($instance->customint1)) {
                $host = get_string('remotesubscribersall', 'enrol_mnet');
            } else {
                $host = $DB->get_field('mnet_host', 'name', array('id'=>$instance->customint1));
            }
            return get_string('pluginname', 'enrol_'.$enrol) . ' (' . format_string($host) . ' - ' . $role .')';

        } else {
            return format_string($instance->name);
        }
    }

    public function get_newinstance_link($courseid) {
        global $CFG, $DB;
        require_once($CFG->dirroot.'/mnet/service/enrol/locallib.php');

        $service = mnetservice_enrol::get_instance();
        if (!$service->is_available()) {
            return null;
        }
        $coursecontext = get_context_instance(CONTEXT_COURSE, $courseid);
        if (!has_capability('moodle/course:enrolconfig', $coursecontext)) {
            return null;
        }
        $subscribers = $service->get_remote_subscribers();
        if (empty($subscribers)) {
            return null;
        }

        return new moodle_url('/enrol/mnet/addinstance.php', array('id'=>$courseid));
    }
}