<?php

class Forward {
	private $inDB = false;
	public $id;
	public $flags;
	public $portlo = 0;
	public $porthi = 0;
	public $name;

	private function fromRow($row) {
		$retval = new Forward();
		if ($row) {
			$retval->inDB = true;
			$retval->id =		(int)$row['id'];
			$retval->flags =	(int)$row['flags'];
			$retval->portlo =	(int)$row['portlo'];
			$retval->porthi =	(int)$row['porthi'];
			$retval->name =		(string)$row['name'];
		}
		return $retval;
	}

	private function toSql() {
		return "flags = '{$this->flags}',
			portlo = '{$this->portlo}',
			porthi = '{$this->porthi}',
			name = '".mysql_real_escape_string($this->name)."'";
	}

	function load($id) {
		$dbh = Database::getInstance();
		$sql = "SELECT id, flags, portlo, porthi, name
			FROM forward
			WHERE id = '{$id}'";

		$dbh->query($sql);
		return self::fromRow($dbh->fetch_assoc());
	}

	function save() {
		$dbh = Database::getInstance();

		if ($this->inDB) {
			$sql = "UPDATE forward SET ".$this->toSql()."
				WHERE id = '{$this->id}'";
			$dbh->query($sql);

		} else {
			$sql = "INSERT forward SET ".$this->toSql();

			$dbh->query($sql);
			$this->iNDB = true;
			$this->id = $dbh->insert_id();
		}
	}

	function delete($id) {
		$dbh = Database::getInstance();
		$sql = "DELETE FROM forward
			WHERE id = '{$id}'";

		$dbh->query($sql);
	}

	function getAll() {
		$dbh = Database::getInstance();

		$sql = "SELECT id, flags, portlo, porthi, name
			FROM forward
			ORDER BY portlo, porthi";
		$dbh->query($sql);

		$retval = array();
		while ($row = $dbh->fetch_assoc())
			$retval[$row['id']] = self::fromRow($row);

		return $retval;
	}

	function toggle() {
		$this->flags ^= 0x01;
	}

	function isActive() {
		return ($this->flags & 0x01);
	}
}

?>