/**
* Get primary key array for breadcrumbs
*
* @return array
*/
public function getBreadcrumbs()
{
if ($this->parent) {
return array_merge($this->parent->getBreadcrumbs(), [$this->getKey()]);
}
return $this->ancestors->sort(function ($a, $b) {
$aDepth = $a->pivot->{$this->getDepthName()};
$bDepth = $b->pivot->{$this->getDepthName()};
if ($aDepth == $bDepth) {
return 0;
}
return $aDepth > $bDepth ? -1 : 1;
})->push($this)->pluck($this->getKeyName())->toArray();
}
/**
* Adds a node to this node
*
* @param NodeInterface $node nodes
*
* @return $this
*/
public function add(NodeInterface $node)
{
$this->rawNodes[$node->getNodeIdentifier()] = $node;
$parentId = $node->getParentNodeIdentifier();
if ($parentId) {
$parent = $this->rawNodes[$parentId];
$parent->addChild($node);
$parent->setChildren($this->sort($parent->getChildren()));
$node->setParent($this->rawNodes[$parentId]);
} else {
$this->treeNodes[$node->getNodeIdentifier()] = $node;
}
return $this;
}