3dealer/app/Http/Controllers/SearchController.php

<?php

namespace App\Http\Controllers;

use App\Catalog\ProductListing;
use App\Catalog\ProductListingPage;

class SearchController extends Controller
{
    public function __construct(private readonly ProductListingPage $listingPage) {}

    public function show(string $locale)
    {
        $query = trim((string) request()->query('q', ''));

        if ($query === '') {
            return redirect()->route('products');
        }

        $listing = ProductListing::fromRequest(request());

        $data = $this->listingPage->build(
            $listing,
            fn (array $overrides) => route('search', ['q' => $query] + $overrides),
            collectionId: null,
            query: $query,
        );

        return view('search.index', [...$data, 'query' => $query]);
    }
}