59 lines
1.8 KiB
PHP
59 lines
1.8 KiB
PHP
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<?php
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namespace Modules\Core\Localization\Services;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Cache;
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use Lunar\Models\Language;
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/**
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* Cached read layer over Lunar's `languages` table — the single source both
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* Modules\Core\Localization\LocaleMiddleware (request-time locale resolution) and
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* any other locale-aware code (e.g. Modules\Core\Catalog\ProductService) read
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* from, so the language list is fetched once per cache lifetime rather than once
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* per caller. Cached forever, invalidated via forget() by
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* Modules\Core\Localization\Listeners\FlushLanguageCache on
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* LanguageCreated/LanguageUpdated/LanguageDeleted.
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*/
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class LanguageCache
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{
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private const CACHE_KEY = 'core.localization.languages';
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public function all(): Collection
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{
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return Cache::rememberForever(
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self::CACHE_KEY,
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fn () => Language::query()->get(['id', 'code', 'name', 'default']),
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);
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}
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/**
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* The store's default language code (e.g. 'el') - the fixed fallback other
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* locale-aware code should use, as opposed to config('app.locale') which
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* App::setLocale() mutates per request and so can't serve as a stable
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* fallback.
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*/
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public function defaultLocale(): ?string
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{
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return $this->all()->firstWhere('default', true)?->code;
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}
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/**
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* Every configured store locale code (e.g. ['el', 'en']) - for code that needs
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* to enumerate all locales a TranslatedText attribute was indexed under (see
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* Modules\Core\Catalog\ProductService::withLocalizedFields()), rather than
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* hardcoding locale codes.
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*
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* @return array<int, string>
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*/
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public function availableLocales(): array
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{
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return $this->all()->pluck('code')->all();
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}
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public function forget(): void
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{
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Cache::forget(self::CACHE_KEY);
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}
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}
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