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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/>.
/**
* Privacy Subsystem implementation for enrol_meta.
*
* @package enrol_meta
* @category privacy
* @copyright 2018 Carlos Escobedo <carlos@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace enrol_meta\privacy;
defined('MOODLE_INTERNAL') || die();
use core_privacy\local\metadata\collection;
use core_privacy\local\request\approved_userlist;
use core_privacy\local\request\contextlist;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\userlist;
/**
* Privacy provider for enrol_meta.
*
* @copyright 2018 Carlos Escobedo <carlos@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class provider implements
// This plugin stores user data.
\core_privacy\local\metadata\provider,
// This plugin contains user's enrolments.
\core_privacy\local\request\plugin\provider,
// This plugin is capable of determining which users have data within it.
\core_privacy\local\request\core_userlist_provider {
/**
* Returns meta data about this system.
*
* @param collection $collection The initialised item collection to add items to.
* @return collection A listing of user data stored through this system.
*/
public static function get_metadata(collection $collection) : collection {
$collection->add_subsystem_link('core_group', [], 'privacy:metadata:core_group');
return $collection;
}
/**
* Get the list of contexts that contain user information for the specified user.
*
* @param int $userid The user to search.
* @return contextlist $contextlist The contextlist containing the list of contexts used in this plugin.
*/
public static function get_contexts_for_userid(int $userid) : contextlist {
return \core_group\privacy\provider::get_contexts_for_group_member($userid, 'enrol_meta');
}
/**
* Get the list of users who have data within a context.
*
* @param userlist $userlist The userlist containing the list of users who have data in this context/plugin combination.
*/
public static function get_users_in_context(userlist $userlist) {
$context = $userlist->get_context();
if (!$context instanceof \context_course) {
return;
}
\core_group\privacy\provider::get_group_members_in_context($userlist, 'enrol_meta');
}
/**
* Export all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts to export information for.
*/
public static function export_user_data(approved_contextlist $contextlist) {
if (empty($contextlist)) {
return;
}
foreach ($contextlist as $context) {
if ($context->contextlevel == CONTEXT_COURSE) {
\core_group\privacy\provider::export_groups(
$context,
'enrol_meta',
[get_string('pluginname', 'enrol_meta')]
);
}
}
}
/**
* Delete all use data which matches the specified deletion_criteria.
*
* @param context $context A user context.
*/
public static function delete_data_for_all_users_in_context(\context $context) {
if (empty($context)) {
return;
}
if ($context->contextlevel == CONTEXT_COURSE) {
// Delete all the associated groups.
\core_group\privacy\provider::delete_groups_for_all_users($context, 'enrol_meta');
}
}
/**
* Delete all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
*/
public static function delete_data_for_user(approved_contextlist $contextlist) {
if (empty($contextlist->count())) {
return;
}
\core_group\privacy\provider::delete_groups_for_user($contextlist, 'enrol_meta');
}
/**
* Delete multiple users within a single context.
*
* @param approved_userlist $userlist The approved context and user information to delete information for.
*/
public static function delete_data_for_users(approved_userlist $userlist) {
\core_group\privacy\provider::delete_groups_for_users($userlist, 'enrol_meta');
}
}