<?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/>.


> namespace qtype_truefalse\privacy;
/**
> 
 * Privacy Subsystem implementation for qtype_truefalse.
> use core_privacy\local\metadata\collection;
 *
> use core_privacy\local\request\transform;
 * @package    qtype_truefalse
> use core_privacy\local\request\writer;
 * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
> 



<  * Privacy Subsystem implementation for qtype_truefalse.



>  * Privacy Subsystem implementation for qtype_truefalse


 */

< 
< namespace qtype_truefalse\privacy;
< 
< defined('MOODLE_INTERNAL') || die();



> class provider implements
>     \core_privacy\local\metadata\provider,
>     \core_privacy\local\request\user_preference_provider {



/**

<  * Privacy Subsystem for qtype_truefalse implementing null_provider.



>      * Returns metadata about this system


 *

<  * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
<  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later



>      * @param collection $collection
>      * @return collection


 */

< class provider implements \core_privacy\local\metadata\null_provider {



>     public static function get_metadata(collection $collection): collection {
>         $collection->add_user_preference('qtype_truefalse_showstandardinstruction', 'privacy:preference:showstandardinstruction');
>         return $collection;
>     }



    /**

<      * Get the language string identifier with the component's language
<      * file to explain why this plugin stores no data.



>      * Export plugin user preferences for the given user


     *

<      * @return  string



>      * @param int $userid


     */

<     public static function get_reason() : string {
<         return 'privacy:metadata';



>     public static function export_user_preferences(int $userid): void {
>         $preference = get_user_preferences('qtype_truefalse_showstandardinstruction', null, $userid);
>         if ($preference !== null) {
>             writer::export_user_preference('qtype_truefalse', 'showstandardinstruction', transform::yesno($preference),
>                 get_string('privacy:preference:showstandardinstruction', 'qtype_truefalse'));
>         }


    }
}