74 lines
2.1 KiB
PHP
74 lines
2.1 KiB
PHP
<?php
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namespace App\Http\Middleware;
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use App\Enums\Locale;
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use Closure;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\App;
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use Symfony\Component\HttpFoundation\Response;
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class SetLocale
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{
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/**
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* Handle an incoming request.
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*
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* @param Closure(Request): (Response) $next
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*/
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public function handle(Request $request, Closure $next): Response
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{
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$locale = $this->determineLocale($request);
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App::setLocale($locale);
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return $next($request);
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}
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/**
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* Determine the locale for the current request.
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*/
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protected function determineLocale(Request $request): string
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{
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// Priority 1: Check for lang query parameter (user override on welcome page)
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$lang = $request->get('lang');
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if (is_string($lang) && Locale::tryFrom($lang) !== null) {
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// Store in session so subsequent requests remember this choice
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$request->session()->put('locale', $lang);
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return $lang;
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}
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// Priority 2: Check authenticated user's locale preference
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if ($request->user() && $request->user()->locale) {
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return $request->user()->locale;
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}
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// Priority 2b: Authenticated user without locale — detect and persist
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if ($request->user()) {
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$sessionLocale = $request->session()->get('locale');
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$detected = is_string($sessionLocale) && Locale::tryFrom($sessionLocale) !== null
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? $sessionLocale
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: Locale::detectFromHeader($request->header('Accept-Language'))->value;
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$request->user()->update(['locale' => $detected]);
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return $detected;
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}
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// Priority 3: Check session for previously detected locale
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if ($request->session()->has('locale')) {
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return $request->session()->get('locale');
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}
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// Priority 4: Detect from Accept-Language header
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$detected = Locale::detectFromHeader($request->header('Accept-Language'))->value;
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// Store in session for subsequent requests
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$request->session()->put('locale', $detected);
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return $detected;
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}
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}
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