/**
* Flatten a tree into a non recursive array.
*
* @param Collection $groupedNodes
* @param mixed $parentId
*
* @return $this
*/
protected function flattenTree(self $groupedNodes, $parentId)
{
foreach ($groupedNodes->get($parentId, []) as $node) {
$this->push($node);
$this->flattenTree($groupedNodes, $node->getKey());
}
return $this;
}
/**
* @param Collection $models
* @param int $fixed
* @param $parentId
* @param int $cut
*
* @return int
*/
protected static function reorderNodes(Collection $models, &$fixed, $parentId = null, $cut = 1)
{
/** @var Node $model */
foreach ($models->get($parentId, []) as $model) {
$model->setLft($cut);
$cut = self::reorderNodes($models, $fixed, $model->getKey(), $cut + 1);
$model->setRgt($cut);
if ($model->isDirty()) {
$model->save();
$fixed++;
}
++$cut;
}
return $cut;
}
