/**
* Delete parent(s) relation from current model.
*
* @param {?array|AbstractModel|int|string} $parents Target parents to delete, or all parents of omitted.
* @param {?string} $collection Collection identifier of the relation, defaults to the model's collection name.
*/
protected function deleteAncestors($collection = '%', $parents = null)
{
if ($collection === null) {
$collection = $this->collectionName();
}
if ($parents === null) {
return Relation::deleteAncestors($this->identity(), $collection);
} else {
if (!is_array($parents)) {
$parents = (array) $parents;
}
return array_reduce($parents, function ($result, $parent) use($collection) {
if ($parent instanceof AbstractModel) {
$parent = $parent->identity();
}
return $result && Relation::delete($parent, $this->identity(), $collection);
}, true);
}
}
