/report/customsql/classes/privacy/provider.php
PHP | 237 lines | 128 code | 22 blank | 87 comment | 8 complexity | 08af81e66fecaf90247c5298a865cc5d MD5 | raw file
- <?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 report_customsql.
- *
- * @package report_customsql
- * @copyright 2018 The Open University
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- namespace report_customsql\privacy;
- use context;
- use core_privacy\local\metadata\collection;
- use core_privacy\local\request;
- /**
- * Privacy Subsystem for report_customsql implementing null_provider.
- *
- * @copyright 2018 The Open University
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- class provider implements
- // This plugin has data.
- \core_privacy\local\metadata\provider,
- // This plugin currently implements the original plugin\provider interface.
- \core_privacy\local\request\plugin\provider,
- \core_privacy\local\request\core_userlist_provider {
- /**
- * Returns meta data about this system.
- *
- * @param collection $items The initialised collection to add items to.
- * @return collection A listing of user data stored through this system.
- */
- public static function get_metadata(collection $items): collection {
- $items->add_database_table(
- 'report_customsql_queries',
- [
- 'displayname' => 'privacy:metadata:reportcustomsqlqueries:displayname',
- 'description' => 'privacy:metadata:reportcustomsqlqueries:description',
- 'descriptionformat' => 'privacy:metadata:reportcustomsqlqueries:descriptionformat',
- 'querysql' => 'privacy:metadata:reportcustomsqlqueries:querysql',
- 'queryparams' => 'privacy:metadata:reportcustomsqlqueries:queryparams',
- 'querylimit' => 'privacy:metadata:reportcustomsqlqueries:querylimit',
- 'capability' => 'privacy:metadata:reportcustomsqlqueries:capability',
- 'lastrun' => 'privacy:metadata:reportcustomsqlqueries:lastrun',
- 'lastexecutiontime' => 'privacy:metadata:reportcustomsqlqueries:lastexecutiontime',
- 'runable' => 'privacy:metadata:reportcustomsqlqueries:runable',
- 'singlerow' => 'privacy:metadata:reportcustomsqlqueries:singlerow',
- 'at' => 'privacy:metadata:reportcustomsqlqueries:at',
- 'emailto' => 'privacy:metadata:reportcustomsqlqueries:emailto',
- 'emailwhat' => 'privacy:metadata:reportcustomsqlqueries:emailwhat',
- 'categoryid' => 'privacy:metadata:reportcustomsqlqueries:categoryid',
- 'customdir' => 'privacy:metadata:reportcustomsqlqueries:customdir',
- 'usermodified' => 'privacy:metadata:reportcustomsqlqueries:usermodified',
- 'timecreated' => 'privacy:metadata:reportcustomsqlqueries:timecreated',
- 'timemodified' => 'privacy:metadata:reportcustomsqlqueries:timemodified'
- ],
- 'privacy:metadata:reportcustomsqlqueries'
- );
- return $items;
- }
- /**
- * This function gets the contexts containing data for a userid.
- *
- * @param int $userid The userid to get contexts for.
- * @return request\contextlist the context list for the user.
- */
- public static function get_contexts_for_userid(int $userid): request\contextlist {
- $contextlist = new request\contextlist();
- // The report is in context system.
- $contextlist->add_system_context();
- return $contextlist;
- }
- /**
- * This gets the list of users inside of the provided context. In this case, its only system context
- * which contains users.
- *
- * @param request\userlist $userlist
- * @return void
- */
- public static function get_users_in_context(request\userlist $userlist) {
- $context = $userlist->get_context();
- if ($context->contextlevel === CONTEXT_SYSTEM) {
- // If we are checking system context, we need to get all distinct usermodified from the table.
- $sql = 'SELECT DISTINCT usermodified
- FROM {report_customsql_queries}';
- $userlist->add_from_sql('usermodified', $sql, []);
- }
- }
- /**
- * Export all user data for the specified user, in the specified contexts.
- *
- * @param request\approved_contextlist $contextlist The approved contexts to export information for.
- * @throws coding_exception
- * @throws dml_exception
- * @throws \moodle_exception
- */
- public static function export_user_data(request\approved_contextlist $contextlist) {
- global $DB;
- $user = $contextlist->get_user();
- foreach ($contextlist as $context) {
- // We only export from system context.
- if ($context->contextlevel === CONTEXT_SYSTEM) {
- $records = $DB->get_records(
- 'report_customsql_queries',
- ['usermodified' => $user->id],
- 'displayname'
- );
- $exportdata = [];
- foreach ($records as $record) {
- $data = [];
- $data['displayname'] = $record->displayname;
- $data['description'] = $record->description;
- $data['descriptionformat'] = $record->descriptionformat;
- $data['querysql'] = $record->querysql;
- $data['queryparams'] = $record->queryparams;
- $data['querylimit'] = $record->querylimit;
- $data['capability'] = $record->capability;
- $data['lastrun'] = userdate($record->lastrun);
- $data['lastexecutiontime'] = $record->lastexecutiontime;
- $data['runable'] = $record->runable;
- $data['singlerow'] = $record->singlerow;
- $data['at'] = $record->at;
- $data['emailto'] = $record->emailto;
- $data['emailwhat'] = $record->emailwhat;
- $data['categoryid'] = $record->categoryid;
- $data['customdir'] = $record->customdir;
- $data['usermodified'] = self::you_or_somebody_else($record->usermodified, $user);
- $data['timecreated'] = userdate($record->timecreated);
- $data['timemodified'] = userdate($record->timemodified);
- $exportdata[] = $data;
- }
- $subcontext = [
- get_string('privacy:metadata:reportcustomsqlqueries', 'report_customsql')
- ];
- request\writer::with_context($context)->export_data($subcontext, (object)$exportdata);
- }
- }
- }
- /**
- * Delete all data for all users in the specified context.
- *
- * @param context $context The specific context to delete data for.
- * @throws \dml_exception
- */
- public static function delete_data_for_all_users_in_context(context $context) {
- global $DB;
- if ($context->contextlevel === CONTEXT_SYSTEM) {
- $adminuserid = get_admin()->id;
- $DB->set_field('report_customsql_queries', 'usermodified', $adminuserid);
- }
- }
- /**
- * Delete all user data for the specified user, in the specified contexts.
- *
- * @param request\approved_contextlist $contextlist The approved contexts and user information to delete information for.
- * @throws \dml_exception
- */
- public static function delete_data_for_user(request\approved_contextlist $contextlist) {
- global $DB;
- foreach ($contextlist as $context) {
- // We only delete data from system context.
- if ($context->contextlevel === CONTEXT_SYSTEM) {
- $userid = $contextlist->get_user()->id;
- $adminuserid = get_admin()->id;
- $DB->set_field('report_customsql_queries', 'usermodified',
- $adminuserid, ['usermodified' => $userid]);
- }
- }
- }
- /**
- * Delete multiple users within a single context.
- *
- * @param request\approved_userlist $userlist The approved context and user information to delete information for.
- *
- * @throws \dml_exception|\coding_exception
- */
- public static function delete_data_for_users(request\approved_userlist $userlist) {
- global $DB;
- $context = $userlist->get_context();
- if ($context->contextlevel === CONTEXT_SYSTEM) {
- $userids = $userlist->get_userids();
- list($sqlcondition, $params) = $DB->get_in_or_equal($userids);
- $adminuserid = get_admin()->id;
- $DB->set_field_select('report_customsql_queries', 'usermodified', $adminuserid,
- 'usermodified ' . $sqlcondition, $params);
- }
- }
- /**
- * Removes personally-identifiable data from a user id for export.
- *
- * @param int $userid User id of a person
- * @param \stdClass $user Object representing current user being considered
- * @return string 'You' if the two users match, 'Somebody else' otherwise
- * @throws \coding_exception
- */
- protected static function you_or_somebody_else($userid, $user) {
- if ($userid == $user->id) {
- return get_string('privacy_you', 'report_customsql');
- } else {
- return get_string('privacy_somebodyelse', 'report_customsql');
- }
- }
- }