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

namespace qtype_essay\privacy;


> use \core_privacy\local\metadata\collection;
defined('MOODLE_INTERNAL') || die();
> use \core_privacy\local\request\user_preference_provider;

> use \core_privacy\local\request\writer;
/**
> 



<  * Privacy Subsystem for qtype_essay implementing null_provider.



>  * Privacy Subsystem for qtype_essay implementing user_preference_provider.


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

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



> class provider implements
>         // This component has data.
>         // We need to return default options that have been set a user preferences.
>         \core_privacy\local\metadata\provider,
>         \core_privacy\local\request\user_preference_provider
> {
> 
>     /**
>      * Returns meta data about this system.
>      *
>      * @param   collection     $collection The initialised collection to add items to.
>      * @return  collection     A listing of user data stored through this system.
>      */
>     public static function get_metadata(collection $collection) : collection {
>         $collection->add_user_preference('qtype_essay_defaultmark', 'privacy:preference:defaultmark');
>         $collection->add_user_preference('qtype_essay_responseformat', 'privacy:preference:responseformat');
>         $collection->add_user_preference('qtype_essay_responserequired', 'privacy:preference:responserequired');
>         $collection->add_user_preference('qtype_essay_responsefieldlines', 'privacy:preference:responsefieldlines');
>         $collection->add_user_preference('qtype_essay_attachments', 'privacy:preference:attachments');
>         $collection->add_user_preference('qtype_essay_attachmentsrequired', 'privacy:preference:attachmentsrequired');
>         $collection->add_user_preference('qtype_essay_maxbytes', 'privacy:preference:maxbytes');
>         return $collection;
>     }



    /**

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



>      * Export all user preferences for the plugin.


     *

<      * @return  string



>      * @param int $userid The userid of the user whose data is to be exported.


     */

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



>     public static function export_user_preferences(int $userid) {
>         $preference = get_user_preferences('qtype_essay_defaultmark', null, $userid);
>         if (null !== $preference) {
>             $desc = get_string('privacy:preference:defaultmark', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'defaultmark', $preference, $desc);
>         }
> 
>         $preference = get_user_preferences('qtype_essay_responseformat', null, $userid);
>         if (null !== $preference) {
>             switch($preference) {
>                 case 'editor':
>                     $stringvalue = get_string('formateditor', 'qtype_essay');
>                     break;
>                 case 'editorfilepicker':
>                     $stringvalue = get_string('formateditorfilepicker', 'qtype_essay');
>                     break;
>                 case 'plain':
>                     $stringvalue = get_string('formatplain', 'qtype_essay');
>                     break;
>                 case 'monospaced':
>                     $stringvalue = get_string('formatmonospaced', 'qtype_essay');
>                     break;
>                 case 'noinline':
>                     $stringvalue = get_string('formatnoinline', 'qtype_essay');
>                     break;
>                 default:
>                     $stringvalue = get_string('formateditor', 'qtype_essay');
>                     break;
>             }
>             $desc = get_string('privacy:preference:responseformat', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'responseformat', $stringvalue, $desc);
>         }
> 
>         $preference = get_user_preferences('qtype_essay_responserequired', null, $userid);
>         if (null !== $preference) {
>             if ($preference) {
>                 $stringvalue = get_string('responseisrequired', 'qtype_essay');
>             } else {
>                 $stringvalue = get_string('responsenotrequired', 'qtype_essay');
>             }
>             $desc = get_string('privacy:preference:responserequired', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'responserequired', $stringvalue, $desc);
>         }
> 
>         $preference = get_user_preferences('qtype_essay_responsefieldlines', null, $userid);
>         if (null !== $preference) {
>             $desc = get_string('privacy:preference:responsefieldlines', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'responsefieldlines',
>                     get_string('nlines', 'qtype_essay', $preference), $desc);
>         }
>         $preference = get_user_preferences('qtype_essay_attachments', null, $userid);
>         if (null !== $preference) {
>             if ($preference == 0) {
>                 $stringvalue = get_string('no');
>             } else if ($preference == -1) {
>                     $stringvalue = get_string('unlimited');
>             } else {
>                 $stringvalue = $preference;
>             }
>             $desc = get_string('privacy:preference:attachments', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'attachments', $stringvalue, $desc);
>         }
> 
>         $preference = get_user_preferences('qtype_essay_attachmentsrequired', null, $userid);
>         if (null !== $preference) {
>             if ($preference == 0) {
>                 $stringvalue = get_string('attachmentsoptional', 'qtype_essay');
>             } else {
>                 $stringvalue = $preference;
>             }
>             $desc = get_string('privacy:preference:attachmentsrequired', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'attachmentsrequired', $stringvalue, $desc);
>         }
> 
>         $preference = get_user_preferences('qtype_essay_maxbytes', null, $userid);
>         if (null !== $preference) {
>             switch ($preference) {
>                 case 52428800:
>                     $stringvalue = '50MB';
>                     break;
>                 case 20971520:
>                     $stringvalue = '20MB';
>                     break;
>                 case 10485760:
>                     $stringvalue = '10MB';
>                     break;
>                 case 5242880:
>                     $stringvalue = '5MB';
>                     break;
>                 case 2097152:
>                     $stringvalue = '2MB';
>                     break;
>                 case 1048576:
>                     $stringvalue = '1MB';
>                     break;
>                 case 512000:
>                     $stringvalue = '500KB';
>                     break;
>                 case 102400:
>                     $stringvalue = '100KB';
>                     break;
>                 case 51200:
>                     $stringvalue = '50KB';
>                     break;
>                 case 10240:
>                     $stringvalue = '10KB';
>                     break;
>                 default:
>                     $stringvalue = '50MB';
>                     break;
>             }
>             $desc = get_string('privacy:preference:maxbytes', 'qtype_essay');
>             writer::export_user_preference('qtype_essay', 'maxbytes', $stringvalue, $desc);
>         }


    }
}