Proyectos de Subversion Moodle

<?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 API Provider

 *

 * @package    block_openai_chat

 * @copyright  2024 Bryce Yoder <me@bryceyoder.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace block_openai_chat\privacy;

use \core_privacy\local\metadata\collection;

use \core_privacy\local\request\writer;

use \core_privacy\local\request\contextlist;

use \core_privacy\local\request\approved_contextlist;

use \core_privacy\local\request\userlist;

use core_privacy\local\request\approved_userlist;

defined('MOODLE_INTERNAL') || die();

class provider implements

    \core_privacy\local\metadata\provider,

    \core_privacy\local\request\plugin\provider,

    \core_privacy\local\request\core_userlist_provider {

    public static function get_metadata(collection $collection): collection {

        $collection->add_database_table(

            'block_openai_chat_log',

             [

                'userid' => 'privacy:metadata:openai_chat_log:userid',

                'usermessage' => 'privacy:metadata:openai_chat_log:usermessage',

                'airesponse' => 'privacy:metadata:openai_chat_log:airesponse',

                'timecreated' => 'privacy:metadata:openai_chat_log:timecreated'

             ],

            'privacy:metadata:openai_chat_log'

        );

        return $collection;

    }

    public static function get_contexts_for_userid(int $userid): contextlist {

        $contextlist = new \core_privacy\local\request\contextlist();

        $sql = "SELECT id FROM {context} WHERE contextlevel = 30 AND instanceid = :userid";

        $contextlist->add_from_sql($sql, ['userid' => $userid]);

        return $contextlist;

    }

    public static function get_users_in_context(userlist $userlist) {

        $context = $userlist->get_context();

        if (!$context instanceof \context_user) {

            return;

        }

        if ($DB->record_exists('block_openai_chat_log', ['userid' => $context->instanceid])) {

            $userlist->add_user($context->instanceid);

        }

    }

    public static function export_user_data(approved_contextlist $contextlist) {

        global $DB;

        $context = $contextlist->current();

        $user = $contextlist->get_user();

        $userid = $user->id;

        // Sent messages.

        $sql = "SELECT id, userid, usermessage, airesponse, timecreated FROM {block_openai_chat_log} WHERE userid = :userid";

        $records = $DB->get_records_sql($sql, ["userid" => $userid]);

        if (!empty($records)) {

            $messages = new \stdClass();

            foreach ($records as $message) {

                $messages->{$message->id} = [

                    "userid" => $message->userid,

                    "usermessage" => $message->usermessage,

                    "airesponse" => $message->airesponse,

                    "timecreated" => $message->timecreated

                ];

            }

            writer::with_context($context)->export_data(

                [get_string('privacy:chatmessagespath', 'block_openai_chat')],

                $messages

            );

        }

    }

    public static function delete_data_for_all_users_in_context(\context $context) {

        global $DB;

        // Only delete data for a user context.

        if ($context->contextlevel == CONTEXT_USER) {

            $DB->delete_records('block_openai_chat_log', ['userid' => $context->instanceid]);

        }

    }

    public static function delete_data_for_user(approved_contextlist $contextlist) {

        global $DB;

        foreach ($contextlist as $context) {

            // Let's be super certain that we have the right information for this user here.

            if ($context->contextlevel == CONTEXT_USER && $contextlist->get_user()->id == $context->instanceid) {

                $DB->delete_records('block_openai_chat_log', ['userid' => $context->instanceid]);

            }

        }

    }

    public static function delete_data_for_users(approved_userlist $userlist) {

        global $DB;

        $context = $userlist->get_context();

        if ($context instanceof \context_user && in_array($context->instanceid, $userlist->get_userids())) {

            $DB->delete_records('block_openai_chat_log', ['userid' => $context->instanceid]);

        }

    }

}