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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 block_comments.
*
* @package block_comments
* @category privacy
* @copyright 2018 Shamim Rezaie <shamim@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace block_comments\privacy;
defined('MOODLE_INTERNAL') || die();
use core_privacy\local\metadata\collection;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\contextlist;
use core_privacy\local\request\userlist;
use core_privacy\local\request\approved_userlist;
/**
* Privacy Subsystem implementation for block_comments.
*
* @copyright 2018 Shamim Rezaie <shamim@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class provider implements
// The block_comments block stores user provided data.
\core_privacy\local\metadata\provider,
\core_privacy\local\request\core_userlist_provider,
// The block_comments block provides data directly to core.
\core_privacy\local\request\plugin\provider {
/**
* Returns meta data about this system.
*
* @param collection $collection
* @return collection
*/
public static function get_metadata(collection $collection) : collection {
return $collection->add_subsystem_link('core_comment', [], 'privacy:metadata:core_comment');
}
/**
* Get the list of contexts that contain user information for the specified user.
*
* @param int $userid
* @return contextlist
*/
public static function get_contexts_for_userid(int $userid) : contextlist {
$contextlist = new contextlist();
$sql = "SELECT contextid
FROM {comments}
WHERE component = :component
AND userid = :userid";
$params = [
'component' => 'block_comments',
'userid' => $userid
];
$contextlist->add_from_sql($sql, $params);
return $contextlist;
}
/**
* Get the list of users within a specific 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();
$params = [
'contextid' => $context->id,
'component' => 'block_comments',
];
$sql = "SELECT userid as userid
FROM {comments}
WHERE component = :component
AND contextid = :contextid";
$userlist->add_from_sql('userid', $sql, $params);
}
/**
* Export all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist
*/
public static function export_user_data(approved_contextlist $contextlist) {
$contexts = $contextlist->get_contexts();
foreach ($contexts as $context) {
\core_comment\privacy\provider::export_comments(
$context,
'block_comments',
'page_comments',
0,
[]
);
}
}
/**
* Delete all data for all users in the specified context.
*
* @param \context $context
*/
public static function delete_data_for_all_users_in_context(\context $context) {
\core_comment\privacy\provider::delete_comments_for_all_users($context, 'block_comments');
}
/**
* 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 $userlist) {
\core_comment\privacy\provider::delete_comments_for_users($userlist, 'block_comments');
}
/**
* Delete all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist
*/
public static function delete_data_for_user(approved_contextlist $contextlist) {
\core_comment\privacy\provider::delete_comments_for_user($contextlist, 'block_comments');
}
}