Jun Pataleta
114 lines
3.5 KiB
PHP
114 lines
3.5 KiB
PHP
<?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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* Privacy Fetch Result Set.
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*
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* @package core_privacy
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* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
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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 core_privacy\local\request;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Privacy Fetch Result Set.
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*
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* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
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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 contextlist extends contextlist_base {
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/**
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* Add a set of contexts from SQL.
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*
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* The SQL should only return a list of context IDs.
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*
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* @param string $sql The SQL which will fetch the list of * context IDs
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* @param array $params The set of SQL parameters
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* @return $this
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*/
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public function add_from_sql(string $sql, array $params) : contextlist {
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global $DB;
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$fields = \context_helper::get_preload_record_columns_sql('ctx');
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$wrapper = "SELECT {$fields} FROM {context} ctx WHERE id IN ({$sql})";
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$contexts = $DB->get_recordset_sql($wrapper, $params);
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$contextids = [];
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foreach ($contexts as $context) {
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$contextids[] = $context->ctxid;
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\context_helper::preload_from_record($context);
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}
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$contexts->close();
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$this->set_contextids(array_merge($this->get_contextids(), $contextids));
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return $this;
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}
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/**
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* Adds the system context.
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*
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* @return $this
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*/
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public function add_system_context() : contextlist {
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return $this->add_from_sql(SYSCONTEXTID, []);
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}
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/**
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* Adds the user context for a given user.
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*
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* @param int $userid
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* @return $this
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*/
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public function add_user_context(int $userid) : contextlist {
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$sql = "SELECT DISTINCT ctx.id
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FROM {context} ctx
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WHERE ctx.contextlevel = :contextlevel
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AND ctx.instanceid = :instanceid";
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return $this->add_from_sql($sql, ['contextlevel' => CONTEXT_USER, 'instanceid' => $userid]);
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}
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/**
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* Adds the user contexts for given users.
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*
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* @param array $userids
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* @return $this
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*/
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public function add_user_contexts(array $userids) : contextlist {
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global $DB;
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list($useridsql, $useridparams) = $DB->get_in_or_equal($userids, SQL_PARAMS_NAMED);
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$sql = "SELECT DISTINCT ctx.id
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FROM {context} ctx
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WHERE ctx.contextlevel = :contextlevel
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AND ctx.instanceid $useridsql";
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return $this->add_from_sql($sql, ['contextlevel' => CONTEXT_USER] + $useridparams);
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}
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/**
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* Sets the component for this contextlist.
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*
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* @param string $component the frankenstyle component name.
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*/
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public function set_component($component) {
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parent::set_component($component);
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}
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}
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