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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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* Scheduled task to create delete data request for pre-existing deleted users.
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*
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* @package tool_dataprivacy
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* @copyright 2018 Mihail Geshoski
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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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namespace tool_dataprivacy\task;
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use core\task\scheduled_task;
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use tool_dataprivacy\api;
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use tool_dataprivacy\data_request;
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/dataprivacy/lib.php');
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/**
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* Scheduled task to create delete data request for pre-existing deleted users.
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*
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* @package tool_dataprivacy
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* @copyright 2018 Mihail Geshoski
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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 delete_existing_deleted_users extends scheduled_task {
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/**
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* Returns the task name.
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*
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* @return string
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*/
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public function get_name() {
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return get_string('deleteexistingdeleteduserstask', 'tool_dataprivacy');
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}
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/**
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* Run the task to delete expired data request files and update request statuses.
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*
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*/
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public function execute() {
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global $DB;
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// Automatic creation of deletion requests must be enabled.
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if (get_config('tool_dataprivacy', 'automaticdeletionrequests')) {
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// Select all deleted users that do not have any delete data requests created for them.
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$sql = "SELECT DISTINCT(u.id)
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FROM {user} u
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LEFT JOIN {tool_dataprivacy_request} r
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ON u.id = r.userid
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WHERE u.deleted = ?
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AND (r.id IS NULL
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OR r.type != ?)";
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$params = [
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1,
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api::DATAREQUEST_TYPE_DELETE
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];
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$deletedusers = $DB->get_records_sql($sql, $params);
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$createdrequests = 0;
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foreach ($deletedusers as $user) {
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api::create_data_request($user->id, api::DATAREQUEST_TYPE_DELETE,
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get_string('datarequestcreatedfromscheduledtask', 'tool_dataprivacy'),
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data_request::DATAREQUEST_CREATION_AUTO);
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$createdrequests++;
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}
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if ($createdrequests > 0) {
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mtrace($createdrequests . ' delete data request(s) created for existing deleted users');
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}
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}
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}
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}
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