CAllVote::UserAlreadyVote

static function UserAlreadyVote($voteId, $VOTE_USER_ID, $UNIQUE_TYPE, $delay, $USER_ID = false)
{
	global $DB, $USER;
	$err_mess = (CAllVote::err_mess())."
Function: UserAlreadyVote
Line: ";
	$voteId = intval($voteId);
	$UNIQUE_TYPE = intval($UNIQUE_TYPE);
	$VOTE_USER_ID = intval($VOTE_USER_ID);
	$USER_ID = intval($USER_ID);

	if ($voteId <= 0 || $UNIQUE_TYPE <= 0)
		return false;

	//One session
	if (($UNIQUE_TYPE & 1) && IsModuleInstalled('statistic') && array_key_exists($voteId, $_SESSION["VOTE"]["VOTES"]))
		return 1;


	$return = array();
	$arSqlSearch = array();
	$arSqlSelect = array("VE.ID");

	//Same cookie
	if ($UNIQUE_TYPE & 2 && ($VOTE_USER_ID > 0))
	{
		$arSqlSelect[] = "VE.VOTE_USER_ID";
		$arSqlSearch[] = "VE.VOTE_USER_ID='".$VOTE_USER_ID."'";
	}

	// Same IP
	if ($UNIQUE_TYPE & 4)
	{
		$tmp = CVote::CheckVotingIP($voteId, $_SERVER["REMOTE_ADDR"], $delay, array("RETURN_SEARCH_ARRAY" => "Y"));
		$arSqlSelect[] = $tmp["select"];
		$arSqlSearch[] = $tmp["search"];
	}

	// Same ID
	if ($UNIQUE_TYPE & 8)
	{
		if ($USER_ID <= 0 || $USER_ID == $USER->GetID() && isset($_SESSION["VOTE"]["VOTES"][$voteId]))
		{
			$return[] = 8;
		}
		else
		{
			$arSqlSelect[] = "VU.AUTH_USER_ID";
			$arSqlSearch[] = "VU.AUTH_USER_ID=".$USER_ID;
		}
		// Register date
		if (($UNIQUE_TYPE & 16) &&
			($arUser = CUser::GetByID($USER_ID)->fetch()) &&
			is_array($arUser) &&
			($userRegister = MakeTimeStamp($arUser['DATE_REGISTER'])) &&
			($vote = CVote::GetByID($voteId)->Fetch()) &&
			is_array($vote) &&
			($voteStart = MakeTimeStamp($vote['DATE_START'])) &&
			($userRegister > $voteStart)
		)
		{
			$return[] = 16;
		}
	}

	if (!empty($arSqlSearch))
	{
		$db_res = $DB->Query("SELECT ".implode(",", $arSqlSelect)."
			FROM b_vote_event VE
			LEFT JOIN b_vote_user VU ON (VE.VOTE_USER_ID = VU.ID)
			WHERE VE.VOTE_ID=".$voteId." AND ((".implode(") OR (", $arSqlSearch)."))", false, $err_mess.__LINE__);
		while ($res = $db_res->Fetch())
		{
			if ($USER_ID > 0 && $USER_ID == $USER->GetID())
				$_SESSION["VOTE"]["VOTES"][$voteId] = $res["ID"];
			// $UNIQUE_TYPE & 2
			if (isset($res["VOTE_USER_ID"]) && $res["VOTE_USER_ID"] == $VOTE_USER_ID)
			{
				$return[] = 2;
			}
			//$UNIQUE_TYPE & 4
			if (isset($res["IP"]) && $res["IP"] == $_SERVER["REMOTE_ADDR"]
				&& ($delay <= 0 || !isset($res["KEEP_IP_SEC"]) || $delay > $res["KEEP_IP_SEC"]))
			{
				$return[] = 4;
			}
			// $UNIQUE_TYPE & 8
			if (isset($res["AUTH_USER_ID"]) && $res["AUTH_USER_ID"] == $USER_ID)
			{
				$return[] = 8;
			}
		}
	}
	$return = empty($return) ? 0 : min($return);
	return ($return > 0 ? $return : false);
}