/**
* Validates that the inserted parts assembly
* does not contain the current item. This
* prevents infinite recursion.
*
* @param Model $part
*
* @return bool
*
* @throws InvalidPartException
*/
private function validatePart(Model $part)
{
if ((int) $part->getKey() === (int) $this->getKey()) {
$message = 'An item cannot be an assembly of itself.';
throw new InvalidPartException($message);
}
$list = $part->getAssemblyItemsList();
array_walk_recursive($list, [$this, 'validatePartAgainstList']);
return true;
}
