/**
* Rebuild the tree based on raw data.
*
* If item data does not contain primary key, new node will be created.
*
* @param array $data
* @param bool $delete Whether to delete nodes that exists but not in the data
* array
*
* @return int
*/
public function rebuildTree(array $data, $delete = false)
{
$existing = $this->get()->getDictionary();
$dictionary = [];
$this->buildRebuildDictionary($dictionary, $data, $existing);
if (!empty($existing)) {
if ($delete) {
$this->model->newScopedQuery()->whereIn($this->model->getKeyName(), array_keys($existing))->forceDelete();
} else {
foreach ($existing as $model) {
$dictionary[$model->getParentId()][] = $model;
}
}
}
return $this->fixNodes($dictionary);
}
