C:/xampp/htdocs/moodle/enrol/meta/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_meta_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 = $this->get_name();
            return get_string('pluginname', 'enrol_'.$enrol) . ' (' . format_string($DB->get_field('course', 'fullname', array('id'=>$instance->customint1))) . ')';
        } else {
            return format_string($instance->name);
        }
    }

    public function get_newinstance_link($courseid) {
        $context = get_context_instance(CONTEXT_COURSE, $courseid, MUST_EXIST);
        if (!has_capability('moodle/course:enrolconfig', $context) or !has_capability('enrol/meta:config', $context)) {
            return NULL;
        }
        // multiple instances supported - multiple parent courses linked
        return new moodle_url('/enrol/meta/addinstance.php', array('id'=>$courseid));
    }

    public function allow_unenrol_user(stdClass $instance, stdClass $ue) {
        if ($ue->status == ENROL_USER_SUSPENDED) {
            return true;
        }

        return false;
    }

    public function get_user_enrolment_actions(course_enrolment_manager $manager, $ue) {
        $actions = array();
        $context = $manager->get_context();
        $instance = $ue->enrolmentinstance;
        $params = $manager->get_moodlepage()->url->params();
        $params['ue'] = $ue->id;
        if ($this->allow_unenrol_user($instance, $ue) && has_capability('enrol/meta:unenrol', $context)) {
            $url = new moodle_url('/enrol/unenroluser.php', $params);
            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
        }
        return $actions;
    }

    public function course_updated($inserted, $course, $data) {
        global $CFG;

        if (!$inserted) {
            // sync cohort enrols
            require_once("$CFG->dirroot/enrol/meta/locallib.php");
            enrol_meta_sync($course->id);
        } else {
            // cohorts are never inserted automatically
        }
    }

    public function update_status($instance, $newstatus) {
        global $CFG;

        parent::update_status($instance, $newstatus);

        require_once("$CFG->dirroot/enrol/meta/locallib.php");
        enrol_meta_sync($instance->courseid);
    }

    public function cron() {
        global $CFG;

        require_once("$CFG->dirroot/enrol/meta/locallib.php");
        enrol_meta_sync();
    }
}