/**
* List children categories
*
* @param Request $request The request object
* @param int $identifier The parent category identifier
*
* @return array
*/
public function listSelectedChildrenAction(Request $request, $identifier)
{
$parent = $this->repository->findOneByIdentifier($identifier);
if (null === $parent) {
return new JsonResponse(null, 404);
}
$selectedCategories = $this->repository->getCategoriesByCodes($request->get('selected', []));
if (0 !== $selectedCategories->count()) {
$tree = $this->twigExtension->listCategoriesResponse($this->repository->getFilledTree($parent, $selectedCategories), $selectedCategories);
} else {
$tree = $this->twigExtension->listCategoriesResponse($this->repository->getFilledTree($parent, new ArrayCollection([$parent])), new ArrayCollection());
}
// Returns only children of the given category without the node itself
if (!empty($tree)) {
$tree = $tree[0]['children'];
}
return new JsonResponse($tree);
}
/**
* Fetch the filled tree
*
* @param CategoryInterface $parent
* @param Collection $categories
*
* @return CategoryInterface[]
*/
protected function getFilledTree(CategoryInterface $parent, Collection $categories)
{
return $this->categoryRepository->getFilledTree($parent, $categories);
}
