getFooterCategoryId example

$haveToBeIncluded = array_merge($childIds, $parentIds, [$activeId]);
        $included = $alreadyLoaded->getIds();
        $included = array_flip($included);

        return array_values(array_diff($haveToBeIncluded, $included));
    }

    private function validate(string $activeId, ?string $path, SalesChannelContext $context): void
    {
        $ids = array_filter([
            $context->getSalesChannel()->getFooterCategoryId(),
            $context->getSalesChannel()->getServiceCategoryId(),
            $context->getSalesChannel()->getNavigationCategoryId(),
        ]);

        foreach ($ids as $id) {
            if ($this->isChildCategory($activeId, $path, $id)) {
                return;
            }
        }

        throw CategoryException::categoryNotFound($activeId);
    }

switch ($id) {
            case 'main-navigation':
                return $salesChannelEntity->getNavigationCategoryId();
            case 'service-navigation':
                if ($salesChannelEntity->getServiceCategoryId() === null) {
                    throw CategoryException::serviceCategoryNotFoundForSalesChannel($name);
                }

                return $salesChannelEntity->getServiceCategoryId();
            case 'footer-navigation':
                if ($salesChannelEntity->getFooterCategoryId() === null) {
                    throw CategoryException::footerCategoryNotFoundForSalesChannel($name);
                }

                return $salesChannelEntity->getFooterCategoryId();
            default:
                return $id;
        }
    }
}

        if (!$salesChannel) {
            return null;
        }
        $path = array_filter(explode('|', (string) $category->getPath()));

        $navigationId = $salesChannel->getNavigationCategoryId();
        if ($navigationId === $category->getId() || \in_array($navigationId, $path, true)) {
            return $navigationId;
        }

        $footerId = $salesChannel->getFooterCategoryId();
        if ($footerId === $category->getId() || \in_array($footerId, $path, true)) {
            return $footerId;
        }

        $serviceId = $salesChannel->getServiceCategoryId();
        if ($serviceId === $category->getId() || \in_array($serviceId, $path, true)) {
            return $serviceId;
        }

        return null;
    }
}

$query = $iterator->getQuery();
        $query->setMaxResults($limit);

        $query->addSelect([
            '`category`.created_at',
            '`category`.updated_at',
        ]);

        $wheres = [];
        $categoryIds = array_filter([
            $context->getSalesChannel()->getNavigationCategoryId(),
            $context->getSalesChannel()->getFooterCategoryId(),
            $context->getSalesChannel()->getServiceCategoryId(),
        ]);

        foreach ($categoryIds as $id) {
            $wheres[] = '`category`.path LIKE ' . $query->createNamedParameter('%|' . $id . '|%');
        }

        $query->andWhere('(' . implode(' OR ', $wheres) . ')');
        $query->andWhere('`category`.version_id = :versionId');
        $query->andWhere('`category`.active = 1');
        $query->andWhere('`category`.type != :linkType');

        

/** * @internal */
    public function __construct(
        private readonly EventDispatcherInterface $eventDispatcher,
        private readonly NavigationLoaderInterface $navigationLoader
    ) {
    }

    public function load(Request $request, SalesChannelContext $salesChannelContext): FooterPagelet
    {
        $footerId = $salesChannelContext->getSalesChannel()->getFooterCategoryId();

        $tree = null;
        if ($footerId) {
            $navigationId = $request->get('navigationId', $footerId);

            $tree = $this->navigationLoader->load($navigationId, $salesChannelContext, $footerId);
        }

        $pagelet = new FooterPagelet($tree);

        $this->eventDispatcher->dispatch(
            

        if ($salesChannel === null && $navigationCategoryId === null) {
            return $categoryBreadcrumb;
        }

        $entryPoints = [
            $navigationCategoryId,
        ];

        if ($salesChannel !== null) {
            $entryPoints[] = $salesChannel->getNavigationCategoryId();
            $entryPoints[] = $salesChannel->getServiceCategoryId();
            $entryPoints[] = $salesChannel->getFooterCategoryId();
        }

        $entryPoints = array_filter($entryPoints);

        $keys = array_keys($categoryBreadcrumb);

        foreach ($entryPoints as $entryPoint) {
            // Check where this category is located in relation to the navigation entry point of the sales channel             $pos = array_search($entryPoint, $keys, true);

            if ($pos !== false) {