Status::deleteAction

public function deleteAction($id)
{
	$r = $this->exists($id);
	if($r->isSuccess())
	{
		if (in_array($id, [
			OrderStatus::getInitialStatus(),
			OrderStatus::getFinalStatus(),
			DeliveryStatus::getInitialStatus(),
			DeliveryStatus::getFinalStatus()]))
		{
			$r->addError(new Error('delete status type loced',201350000002));
		}

		if($r->isSuccess())
		{
			$r  = $this->getEntityTable()::delete($id);
		}
	}

	if($r->isSuccess())
	{
		return true;
	}
	else
	{
		$this->addErrors($r->getErrors());
		return null;
	}
}