80 lines
2.1 KiB
PHP
80 lines
2.1 KiB
PHP
<?php
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namespace App\Support;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Str;
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class LocaleConfig
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{
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/**
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* Return configured locales from env/config as provided (may include region codes).
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* @return array<int, string>
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*/
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public static function configured(): array
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{
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$configured = array_filter(array_map(
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static fn ($value) => trim((string) $value),
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explode(',', (string) env('APP_SUPPORTED_LOCALES', ''))
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));
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$baseLocales = array_filter([
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config('app.locale'),
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config('app.fallback_locale'),
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]);
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$fallback = ['de', 'en'];
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return array_values(array_unique([
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...$configured,
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...$baseLocales,
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...$fallback,
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]));
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}
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/**
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* Return normalized short codes (language only, lowercase).
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* @return array<int, string>
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*/
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public static function normalized(): array
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{
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return collect(static::configured())
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->map(fn (string $code) => Str::of($code)->lower()->before('-')->before('_')->toString())
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->filter()
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->unique()
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->values()
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->all();
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}
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/**
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* Pattern for route constraints: accept both configured and normalized variants.
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*/
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public static function routePattern(): string
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{
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$all = collect(array_merge(static::configured(), static::normalized()))
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->map(fn (string $code) => preg_quote($code, '/'))
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->unique()
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->values()
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->all();
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return implode('|', $all);
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}
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/**
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* Canonicalize any incoming locale to a normalized short code if supported, otherwise fallback.
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*/
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public static function canonicalize(?string $locale): string
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{
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$normalized = static::normalized();
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$fallback = Arr::first($normalized, default: 'de');
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if (! $locale) {
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return $fallback;
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}
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$short = Str::of($locale)->lower()->before('-')->before('_')->toString();
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return in_array($short, $normalized, true) ? $short : $fallback;
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}
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}
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