/**
* {@inheritdoc}
*
* @param EventObserver $observer
*/
public function execute(EventObserver $observer)
{
/** @var \Magento\Framework\Data\Tree\Node $menu */
$menu = $observer->getData('menu');
$categories = $this->categoryCollectionFactory->create()->addAttributeToSelect(['name', 'url_key'])->excludeRoot()->addVisibilityFilter();
$tree = $categories->getTree();
$rootNode = new TreeNode(['id' => 'blog-node-root', 'name' => $this->config->getMenuTitle(), 'url' => $this->config->getBaseUrl()], 'id', $menu->getTree(), null);
$menu->addChild($rootNode);
foreach ($tree as $category) {
if (isset($tree[$category->getParentId()])) {
$parentNode = $tree[$category->getParentId()]->getData('node');
} else {
$parentNode = $rootNode;
}
$node = new TreeNode(['id' => 'blog-node-' . $category->getId(), 'name' => $category->getName(), 'url' => $category->getUrl()], 'id', $menu->getTree(), $parentNode);
if ($parentNode) {
$parentNode->addChild($node);
} else {
$menu->addChild($node);
}
$category->setData('node', $node);
}
}
