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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Category enrolment plugin.
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*
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* @package enrol_category
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* category enrolment plugin implementation.
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* @author Petr Skoda
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class enrol_category_plugin extends enrol_plugin {
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/**
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* Is it possible to delete enrol instance via standard UI?
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*
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* @param stdClass $instance
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* @return bool
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*/
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public function can_delete_instance($instance) {
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global $DB;
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$context = context_course::instance($instance->courseid);
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if (!has_capability('enrol/category:config', $context)) {
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return false;
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}
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if (!enrol_is_enabled('category')) {
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return true;
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}
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// Allow delete only when no synced users here.
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return !$DB->record_exists('user_enrolments', array('enrolid'=>$instance->id));
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}
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/**
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* Is it possible to hide/show enrol instance via standard UI?
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*
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* @param stdClass $instance
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* @return bool
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*/
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public function can_hide_show_instance($instance) {
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$context = context_course::instance($instance->courseid);
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return has_capability('enrol/category:config', $context);
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}
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/**
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* Returns link to page which may be used to add new instance of enrolment plugin in course.
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* @param int $courseid
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* @return moodle_url page url
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*/
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public function get_newinstance_link($courseid) {
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// Instances are added automatically as necessary.
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return null;
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}
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/**
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* Called after updating/inserting course.
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*
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* @param bool $inserted true if course just inserted
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* @param stdClass $course
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* @param stdClass $data form data
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* @return void
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*/
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public function course_updated($inserted, $course, $data) {
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global $CFG;
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if (!enrol_is_enabled('category')) {
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return;
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}
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// Sync category enrols.
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require_once("$CFG->dirroot/enrol/category/locallib.php");
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enrol_category_sync_course($course);
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}
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/**
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* Automatic enrol sync executed during restore.
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* Useful for automatic sync by course->idnumber or course category.
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* @param stdClass $course course record
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*/
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public function restore_sync_course($course) {
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global $CFG;
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require_once("$CFG->dirroot/enrol/category/locallib.php");
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enrol_category_sync_course($course);
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}
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}
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