<?php

class Trunk {
	private $inDB = false;
	public $id;
	public $bridgeid;
	public $flags;
	public $name;
	public $fullname;

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

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

	function load($id) {
		$dbh = Database::getInstance();
		$sql = "SELECT t.id, t.bridgeid, t.flags, t.name,
			CONCAT(b.name, ': ', t.name) AS fullname
			FROM trunk t, bridge b
			WHERE id = '{$id}'
			AND b.id = t.bridgeid";

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

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

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

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

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

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

		$dbh->query($sql);

		$vlans = Vlan::getAll($id);
		foreach ($vlans as $vlan)
			Vlan::delete($vlan->id);
	}

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

		$sql = "SELECT t.id, t.bridgeid, t.flags, t.name,
			CONCAT(b.name, ': ', t.name) AS fullname
			FROM trunk t, bridge b
			WHERE ".($bridgeid ? "bridgeid = '{$bridgeid}'" : "1")."
			AND b.id = t.bridgeid
			ORDER BY b.name, t.name";
		$dbh->query($sql);

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

		return $retval;
	}
}

?>