CHIEFSOFT\ameye
93 lines
3.0 KiB
PHP
93 lines
3.0 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @defgroup i18n I18N
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* Implements localization concerns such as locale files, time zones, and country lists.
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*/
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/**
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* @file classes/i18n/translation/IsoCodesTranslationDriver.php
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*
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* Copyright (c) 2014-2021 Simon Fraser University
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* Copyright (c) 2000-2021 John Willinsky
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* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
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*
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* @class IsoCodesTranslationDriver
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*
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* @ingroup i18n
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*
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* @brief Translation provider for the IsoCodes package, faster and optimized to not keep items in memory
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*/
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namespace PKP\i18n\translation;
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use APP\core\Application;
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use DateInterval;
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use DomainException;
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use Illuminate\Support\Facades\Cache;
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use PKP\i18n\interfaces\LocaleInterface;
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use Sokil\IsoCodes\TranslationDriver\TranslationDriverInterface;
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class IsoCodesTranslationDriver implements TranslationDriverInterface
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{
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/** @var string Max lifetime for the cache, a new cache file is created whenever the translation file is modified */
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protected const MAX_CACHE_LIFETIME = '1 year';
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protected ?Translator $translator = null;
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protected string $locale;
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/**
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* Constructor
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*/
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public function __construct(string $locale)
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{
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$this->setLocale($locale);
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}
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/**
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* Setups the translator
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*/
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public function configureDirectory(string $isoNumber, string $directory): void
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{
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if (!preg_match(LocaleInterface::LOCALE_EXPRESSION, $this->locale, $matches)) {
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throw new DomainException("Invalid locale \"{$this->locale}\"");
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}
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$locale = (object) [
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'language' => $matches['language'],
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'country' => $matches['country'] ?? null,
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'script' => $matches['script'] ?? null
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];
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$locales = [$this->locale, ...($locale->script ? [$locale->language . '@' . $locale->script] : []), $locale->language];
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// Attempts to find the best locale
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foreach ($locales as $locale) {
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$path = "{$directory}/{$locale}/LC_MESSAGES/{$isoNumber}.mo";
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if (file_exists($path)) {
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// Check if it's installed before caching the ISO codes (huge dataset), just to avoid a slow installation page
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$loader = fn () => Translator::createFromTranslationsArray(LocaleFile::loadArray($path, Application::isInstalled()));
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$key = __METHOD__ . static::MAX_CACHE_LIFETIME . $path . filemtime($path);
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$expiration = DateInterval::createFromDateString(static::MAX_CACHE_LIFETIME);
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$this->translator = Application::isInstalled() ? Cache::remember($key, $expiration, $loader) : $loader();
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break;
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}
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}
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}
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/**
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* Setup the driver locale
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*/
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public function setLocale(string $locale): void
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{
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$this->locale = $locale;
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}
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/**
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* Attempts to translate an entry
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*/
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public function translate(string $isoNumber, string $message): string
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{
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return $this->translator?->getSingular($message) ?: $message;
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}
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}
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