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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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namespace core\router\parameters;
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use core\param;
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use core\router\schema\example;
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use core\router\schema\referenced_object;
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/**
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* A header to accept an optional language for the requested content.
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*
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* @package core
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* @copyright 2024 Andrew Lyons <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 header_language extends \core\router\schema\parameters\header_object implements referenced_object {
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/**
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* Create a new path_component parameter.
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*
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* @param string $name The name of the parameter to use for the component name
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* @param mixed ...$extra Additional arguments
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*/
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public function __construct(
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string $name = 'language',
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...$extra,
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) {
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global $CFG;
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$extra['name'] = $name;
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$extra['type'] = param::LANG;
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$extra['description'] = 'The language of the requested response.';
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// Generally speaking, the default language should be the site default.
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// This is a value which is usually stored in DB, so we have a fallback for when the full
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// Moodle configuration has not been loaded.
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$extra['default'] = $CFG->lang ?? 'en';
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$extra['examples'] = [
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new example(
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name: 'Site default',
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value: null,
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),
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new example(
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name: 'English',
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value: 'en',
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),
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new example(
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name: 'Deutsch (kids)',
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value: 'de_kids',
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),
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];
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parent::__construct(...$extra);
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}
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}
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