Merge branch 'MDL-62564-master-fix' of git://github.com/andrewnicols/moodle

admin/tool/dataprivacy/classes/expired_user_contexts.php

@@ -1,149 +0,0 @@
-<?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/>.
-
-/**
- * Expired contexts manager for CONTEXT_USER.
- *
- * @package    tool_dataprivacy
- * @copyright  2018 David Monllao
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-namespace tool_dataprivacy;
-
-use core_privacy\manager;
-
-defined('MOODLE_INTERNAL') || die();
-
-/**
- * Expired contexts manager for CONTEXT_USER.
- *
- * @copyright  2018 David Monllao
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class expired_user_contexts extends \tool_dataprivacy\expired_contexts_manager {
-
-    /**
-     * Only user level.
-     *
-     * @return int[]
-     */
-    protected function get_context_levels() {
-        return [CONTEXT_USER];
-    }
-
-    /**
-     * Returns the user context instances that are expired.
-     *
-     * @return \stdClass[]
-     */
-    protected function get_expired_contexts() {
-        global $DB;
-
-        // Including context info + last login timestamp.
-        $fields = 'ctx.id AS id, ' . \context_helper::get_preload_record_columns_sql('ctx');
-
-        $purpose = api::get_effective_contextlevel_purpose(CONTEXT_USER);
-
-        // Calculate what is considered expired according to the context level effective purpose (= now + retention period).
-        $expiredtime = new \DateTime();
-        $retention = new \DateInterval($purpose->get('retentionperiod'));
-        $expiredtime->sub($retention);
-
-        $sql = "SELECT $fields FROM {context} ctx
-                  JOIN {user} u ON ctx.contextlevel = ? AND ctx.instanceid = u.id
-                  LEFT JOIN {tool_dataprivacy_ctxexpired} expiredctx ON ctx.id = expiredctx.contextid
-                 WHERE u.lastaccess <= ? AND u.lastaccess > 0 AND expiredctx.id IS NULL
-                ORDER BY ctx.path, ctx.contextlevel ASC";
-        $possiblyexpired = $DB->get_recordset_sql($sql, [CONTEXT_USER, $expiredtime->getTimestamp()]);
-
-        $expiredcontexts = [];
-        foreach ($possiblyexpired as $record) {
-
-            \context_helper::preload_from_record($record);
-
-            // No strict checking as the context may already be deleted (e.g. we just deleted a course,
-            // module contexts below it will not exist).
-            $context = \context::instance_by_id($record->id, false);
-            if (!$context) {
-                continue;
-            }
-
-            if (is_siteadmin($context->instanceid)) {
-                continue;
-            }
-
-            $courses = enrol_get_users_courses($context->instanceid, false, ['enddate']);
-            foreach ($courses as $course) {
-                if (!$course->enddate) {
-                    // We can not know it what is going on here, so we prefer to be conservative.
-                    continue 2;
-                }
-
-                if ($course->enddate >= time()) {
-                    // Future or ongoing course.
-                    continue 2;
-                }
-            }
-
-            $expiredcontexts[$context->id] = $context;
-        }
-
-        return $expiredcontexts;
-    }
-
-    /**
-     * Deletes user data from the provided context.
-     *
-     * Overwritten to delete the user.
-     *
-     * @param manager $privacymanager
-     * @param expired_context $expiredctx
-     * @return \context|false
-     */
-    protected function delete_expired_context(manager $privacymanager, expired_context $expiredctx) {
-        $context = \context::instance_by_id($expiredctx->get('contextid'), IGNORE_MISSING);
-        if (!$context) {
-            return false;
-        }
-
-        if (!PHPUNIT_TEST) {
-            mtrace('Deleting context ' . $context->id . ' - ' .
-                shorten_text($context->get_context_name(true, true)));
-        }
-
-        // To ensure that all user data is deleted, instead of deleting by context, we run through and collect any stray
-        // contexts for the user that may still exist and call delete_data_for_user().
-        $user = \core_user::get_user($context->instanceid, '*', MUST_EXIST);
-        $approvedlistcollection = new \core_privacy\local\request\contextlist_collection($user->id);
-        $contextlistcollection = $privacymanager->get_contexts_for_userid($user->id);
-
-        foreach ($contextlistcollection as $contextlist) {
-            $approvedlistcollection->add_contextlist(new \core_privacy\local\request\approved_contextlist(
-                $user,
-                $contextlist->get_component(),
-                $contextlist->get_contextids()
-            ));
-        }
-
-        $privacymanager->delete_data_for_user($approvedlistcollection);
-        api::set_expired_context_status($expiredctx, expired_context::STATUS_CLEANED);
-
-        // Delete the user.
-        delete_user($user);
-
-        return $context;
-    }
-}

admin/tool/dataprivacy/classes/task/process_data_request_task.php

@@ -100,6 +100,7 @@ class process_data_request_task extends adhoc_task {
 
         mtrace('Processing request...');
         $completestatus = api::DATAREQUEST_STATUS_COMPLETE;
+        $deleteuser = false;
 
         if ($request->type == api::DATAREQUEST_TYPE_EXPORT) {
             // Get the user context.
@@ -134,6 +135,7 @@ class process_data_request_task extends adhoc_task {
 
             $manager->delete_data_for_user($approvedclcollection);
             $completestatus = api::DATAREQUEST_STATUS_DELETED;
+            $deleteuser = !$foruser->deleted;
         }
 
         // When the preparation of the metadata finishes, update the request status to awaiting approval.
@@ -266,7 +268,7 @@ class process_data_request_task extends adhoc_task {
             }
         }
 
-        if ($request->type == api::DATAREQUEST_TYPE_DELETE) {
+        if ($deleteuser) {
             // Delete the user.
             delete_user($foruser);
         }