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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/>.
/**
* Category enrolment plugin.
*
* @package enrol_category
* @copyright 2010 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* category enrolment plugin implementation.
* @author Petr Skoda
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class enrol_category_plugin extends enrol_plugin {
/**
* Is it possible to delete enrol instance via standard UI?
*
* @param stdClass $instance
* @return bool
*/
public function can_delete_instance($instance) {
global $DB;
$context = context_course::instance($instance->courseid);
if (!has_capability('enrol/category:config', $context)) {
return false;
}
if (!enrol_is_enabled('category')) {
return true;
}
// Allow delete only when no synced users here.
return !$DB->record_exists('user_enrolments', array('enrolid'=>$instance->id));
}
/**
* Is it possible to hide/show enrol instance via standard UI?
*
* @param stdClass $instance
* @return bool
*/
public function can_hide_show_instance($instance) {
$context = context_course::instance($instance->courseid);
return has_capability('enrol/category:config', $context);
}
/**
* Returns link to page which may be used to add new instance of enrolment plugin in course.
* @param int $courseid
* @return moodle_url page url
*/
public function get_newinstance_link($courseid) {
// Instances are added automatically as necessary.
return null;
}
/**
* Called after updating/inserting course.
*
* @param bool $inserted true if course just inserted
* @param stdClass $course
* @param stdClass $data form data
* @return void
*/
public function course_updated($inserted, $course, $data) {
global $CFG;
if (!enrol_is_enabled('category')) {
return;
}
// Sync category enrols.
require_once("$CFG->dirroot/enrol/category/locallib.php");
enrol_category_sync_course($course);
}
/**
* Automatic enrol sync executed during restore.
* Useful for automatic sync by course->idnumber or course category.
* @param stdClass $course course record
*/
public function restore_sync_course($course) {
global $CFG;
require_once("$CFG->dirroot/enrol/category/locallib.php");
enrol_category_sync_course($course);
}
}