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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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* Class for loading/storing data purpose overrides from the DB.
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*
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* @package tool_dataprivacy
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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 tool_dataprivacy;
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use stdClass;
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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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* Class for loading/storing data purpose overrides from the DB.
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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 purpose_override extends \core\persistent {
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/**
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* Database table.
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*/
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const TABLE = 'tool_dataprivacy_purposerole';
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/**
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* Return the definition of the properties of this model.
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*
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* @return array
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*/
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protected static function define_properties() {
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return array(
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'purposeid' => array(
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'type' => PARAM_INT,
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'description' => 'The purpose that that this override relates to',
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),
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'roleid' => array(
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'type' => PARAM_INT,
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'description' => 'The role that that this override relates to',
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),
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'lawfulbases' => array(
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'type' => PARAM_TEXT,
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'description' => 'Comma-separated IDs matching records in tool_dataprivacy_lawfulbasis.',
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'null' => NULL_ALLOWED,
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'default' => null,
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),
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'sensitivedatareasons' => array(
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'type' => PARAM_TEXT,
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'description' => 'Comma-separated IDs matching records in tool_dataprivacy_sensitive',
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'null' => NULL_ALLOWED,
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'default' => null,
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),
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'retentionperiod' => array(
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'type' => PARAM_ALPHANUM,
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'description' => 'Retention period. ISO_8601 durations format (as in DateInterval format).',
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'default' => '',
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),
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'protected' => array(
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'type' => PARAM_INT,
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'description' => 'Data retention with higher precedent over user\'s request to be forgotten.',
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'default' => '0',
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),
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);
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}
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/**
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* Get all role overrides for the purpose.
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*
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* @param purpose $purpose
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* @return array
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*/
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public static function get_overrides_for_purpose(purpose $purpose): array {
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$cache = \cache::make('tool_dataprivacy', 'purpose_overrides');
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$overrides = [];
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$alldata = $cache->get($purpose->get('id'));
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if (false === $alldata) {
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$tocache = [];
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foreach (self::get_records(['purposeid' => $purpose->get('id')]) as $override) {
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$tocache[] = $override->to_record();
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$overrides[$override->get('roleid')] = $override;
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}
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$cache->set($purpose->get('id'), $tocache);
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} else {
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foreach ($alldata as $data) {
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$override = new self(0, $data);
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$overrides[$override->get('roleid')] = $override;
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}
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}
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return $overrides;
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}
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/**
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* Adds the new record to the cache.
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*
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* @return null
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*/
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protected function after_create() {
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$cache = \cache::make('tool_dataprivacy', 'purpose_overrides');
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$cache->delete($this->get('purposeid'));
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}
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/**
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* Updates the cache record.
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*
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* @param bool $result
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* @return null
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*/
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protected function after_update($result) {
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$cache = \cache::make('tool_dataprivacy', 'purpose_overrides');
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$cache->delete($this->get('purposeid'));
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}
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/**
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* Removes unnecessary stuff from db.
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*
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* @return null
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*/
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protected function before_delete() {
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$cache = \cache::make('tool_dataprivacy', 'purpose_overrides');
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$cache->delete($this->get('purposeid'));
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}
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}
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