State::updateDate

protected function updateDate($name, $date = null)
{
	if (!$this->letter->get('POSTING_ID'))
	{
		return false;
	}
	CTimeZone::disable();
	$result = ModelPostingTable::update(
		$this->letter->get('POSTING_ID'),
		array(
			$name => ($date ?: new DateTime())
		)
	);
	CTimeZone::enable();

	return $result->isSuccess();
}