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

<?php

namespace App\Http\Controllers;

use App\Catalog\CategoryListing;
use App\Catalog\ProductCard;
use Illuminate\Http\Response;
use Modules\Core\Catalog\Services\CollectionService;
use Modules\Core\Catalog\Services\ProductService;

class CategoryController extends Controller
{
    public function __construct(
        private readonly ProductService $products,
        private readonly CollectionService $collections,
    ) {}

    public function show(string $locale, int $collection)
    {
        $collectionData = $this->collections->getById($collection);
        abort_if($collectionData === null, Response::HTTP_NOT_FOUND);

        $listing = CategoryListing::fromRequest(request());
        $filters = $listing->filters($collectionData['id']);
        $perPage = 12;

        // One call for both the product page and the price slider's bounds —
        // see ProductService::list()'s own docblock for why a controller no
        // longer orchestrates list() + priceSliderBounds() itself.
        $listingResult = $this->products->list(
            filters: $filters,
            perPage: $perPage,
            page: $listing->page,
            sort: $listing->sort,
        );

        $products = $listingResult->products
            ->through(fn (array $product) => ProductCard::fromIndexed($product))
            ->appends($listing->query(['page' => null]));

        $priceBounds = $listingResult->priceBounds;

        return view('category.show', [
            'collection' => $collectionData,
            'products' => $products,
            'listing' => $listing,
            'priceFloor' => $priceBounds->floor,
            'priceCeil' => $priceBounds->ceil,
            'priceFiltered' => $priceBounds->filtered,
        ]);
    }
}