/** * @param \Magento\Framework\Data\Tree\Node $node * @param int $depth * @param int $currentLevel * @return \Magento\Catalog\Service\V1\Data\Eav\Category\Tree[] */ public function getTree($node, $depth = null, $currentLevel = 0) { $builder = $this->treeBuilderFactory->create(); $builder->setId($node->getId())->setParentId($node->getParentId())->setName($node->getName())->setPosition($node->getPosition())->setLevel($node->getLevel())->setActive($node->getIsActive())->setProductCount($node->getProductCount())->setChildren([]); if ($node->hasChildren()) { $children = array(); foreach ($node->getChildren() as $child) { if (!is_null($depth) && $depth <= $currentLevel) { break; } $children[] = $this->getTree($child, $depth, $currentLevel + 1); } $builder->setChildren($children); } return $builder->create(); }