Notification::isBalanceTooLow

static function isBalanceTooLow()
{
	$account = new CVoxImplantAccount();

	if (CVoxImplantAccount::getPayedFlag() !== 'Y')
	{
		return false;
	}

	$accountLang = $account->GetAccountLang(false);
	if(in_array($accountLang, ['ua', 'kz', 'by']))
	{
		return false;
	}

	$balance = $account->getAccountBalance(false);
	$balanceThreshold = $account->getBalanceThreshold();

	$hasCallsInLastFiveDays = false;
	$lastPaidCallTimestamp = CVoxImplantHistory::getLastPaidCallTimestamp();
	if($lastPaidCallTimestamp > 0)
	{
		$interval = time() - $lastPaidCallTimestamp;

		if($interval < 432000) // 5 days
		{
			$hasCallsInLastFiveDays = true;
		}
	}

	return (CVoxImplantPhone::getRentedNumbersCount() > 0 && $hasCallsInLastFiveDays && $balanceThreshold > 0 && $balance < $balanceThreshold);
}