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<?php declare(strict_types=1);
namespace Shopware\Core\Content\Category\Service;
use Shopware\Core\Content\Category\CategoryCollection;
use Shopware\Core\Content\Category\CategoryEntity;
use Shopware\Core\Content\Category\Event\NavigationLoadedEvent;
use Shopware\Core\Content\Category\Exception\CategoryNotFoundException;
use Shopware\Core\Content\Category\SalesChannel\AbstractNavigationRoute;
use Shopware\Core\Content\Category\Tree\Tree;
use Shopware\Core\Content\Category\Tree\TreeItem;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsAnyFilter;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
use Shopware\Core\System\SalesChannel\Entity\SalesChannelRepositoryInterface;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
class NavigationLoader implements NavigationLoaderInterface
{
/**
* @var SalesChannelRepositoryInterface
*/
private $categoryRepository;
/**
* @var TreeItem
*/
private $treeItem;
/**
* @var EventDispatcherInterface
*/
private $eventDispatcher;
/**
* @var AbstractNavigationRoute
*/
private $navigationRoute;
public function __construct(
SalesChannelRepositoryInterface $repository,
EventDispatcherInterface $eventDispatcher,
AbstractNavigationRoute $navigationRoute
) {
$this->categoryRepository = $repository;
$this->treeItem = new TreeItem(null, []);
$this->eventDispatcher = $eventDispatcher;
$this->navigationRoute = $navigationRoute;
}
/**
* {@inheritdoc}
*
* @throws CategoryNotFoundException
*/
public function load(string $activeId, SalesChannelContext $context, string $rootId, int $depth = 2): Tree
{
$request = new Request();
$request->query->set('buildTree', false);
$request->query->set('depth', $depth);
$categories = $this->navigationRoute->load($activeId, $rootId, $request, $context)->getCategories();
$navigation = $this->getTree($rootId, $categories, $categories->get($activeId));
$event = new NavigationLoadedEvent($navigation, $context);
$this->eventDispatcher->dispatch($event);
return $event->getNavigation();
}
/**
* {@inheritdoc}
*
* @throws CategoryNotFoundException
*/
public function loadLevel(string $categoryId, SalesChannelContext $context): Tree
{
$active = $this->loadCategories([$categoryId], $context)
->get($categoryId);
if (!$active) {
throw new CategoryNotFoundException($categoryId);
}
$criteria = new Criteria();
$criteria->addFilter(new EqualsFilter('category.parentId', $categoryId));
$criteria->addAssociation('media');
/** @var CategoryCollection $categories */
$categories = $this->categoryRepository->search($criteria, $context)->getEntities();
$categories->add($active);
$navigation = $this->getTree($active->getId(), $categories, $active);
$event = new NavigationLoadedEvent($navigation, $context);
$this->eventDispatcher->dispatch($event);
return $event->getNavigation();
}
private function getTree(?string $parentId, CategoryCollection $categories, ?CategoryEntity $active): Tree
{
$tree = $this->buildTree($parentId, $categories->getElements());
return new Tree($active, $tree);
}
/**
* @param CategoryEntity[] $categories
*
* @return TreeItem[]
*/
private function buildTree(?string $parentId, array $categories): array
{
$children = new CategoryCollection();
foreach ($categories as $key => $category) {
if ($category->getParentId() !== $parentId) {
continue;
}
unset($categories[$key]);
$children->add($category);
}
$children->sortByPosition();
$items = [];
foreach ($children as $child) {
if (!$child->getActive() || !$child->getVisible()) {
continue;
}
$item = clone $this->treeItem;
$item->setCategory($child);
$item->setChildren(
$this->buildTree($child->getId(), $categories)
);
$items[$child->getId()] = $item;
}
return $items;
}
private function loadCategories(array $ids, SalesChannelContext $context): CategoryCollection
{
$criteria = new Criteria();
$criteria->addFilter(new EqualsAnyFilter('id', $ids));
$criteria->addAssociation('media');
/** @var CategoryCollection $missing */
$missing = $this->categoryRepository->search($criteria, $context)->getEntities();
return $missing;
}
}

vendor/shopware/core/Content/Category/Service/NavigationLoader.php line 159