cms/app/Http/Middleware/SetThemeNamespace.php

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<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\View;
use App\Support\ThemeManager;
use Symfony\Component\HttpFoundation\Response;
class SetThemeNamespace
{
/**
* Handle an incoming request.
*
* @param \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response) $next
*/
public function handle(Request $request, Closure $next): Response
{
$themeManager = new ThemeManager();
$activeTheme = $themeManager->getActiveTheme();
$themesPath = base_path('themes');
$viewPaths = [
"{$themesPath}/{$activeTheme}",
];
// Add parent theme path if it exists
$metadata = $themeManager->getMetadata($activeTheme);
if ($metadata && ! empty($metadata['parent'])) {
$parent = $metadata['parent'];
$viewPaths[] = "{$themesPath}/{$parent}";
}
View::addNamespace('themes', $viewPaths);
return $next($request);
}
}