loadCategory example

#[Route(path: '/store-api/category/{navigationId}', name: 'store-api.category.detail', methods: ['GET', 'POST'])]     public function load(string $navigationId, Request $request, SalesChannelContext $context): CategoryRouteResponse
    {
        if ($navigationId === self::HOME) {
            $navigationId = $context->getSalesChannel()->getNavigationCategoryId();
            $request->attributes->set('navigationId', $navigationId);
            $routeParams = $request->attributes->get('_route_params', []);
            $routeParams['navigationId'] = $navigationId;
            $request->attributes->set('_route_params', $routeParams);
        }

        $category = $this->loadCategory($navigationId, $context);

        if (($category->getType() === CategoryDefinition::TYPE_FOLDER
                || $category->getType() === CategoryDefinition::TYPE_LINK)
            && $context->getSalesChannel()->getNavigationCategoryId() !== $navigationId
        ) {
            throw CategoryException::categoryNotFound($navigationId);
        }

        $pageId = $category->getCmsPageId();
        $slotConfig = $category->getTranslation('slotConfig');