class User {
	private $id;
	private $username;
	private $password;
	private $level;


	public function __construct() {
		$this->id = 0;
		$this->username = "";
		$this->password = "";
		$this->level = "";
	}


	public function IsValid() {
		if($this->id != 0) {
			return true;
		} else {
		    return false;
		}
	}

	public function LoadByLogin($username, $password) {
		$sql = "SELECT * from admin_users
				WHERE admin_users_username = '".$username."'
				AND admin_users_password = '".$password."'
				";
		$result = mysql_query($sql) or die("Query failed: ".$sql);

		if($row = mysql_fetch_array($result)) {
			$this->CreateUser($row);
		}

		mysql_free_result($result);
		unset($sql, $result, $row);

		return $this->IsValid();
	}


	public function LoadByID($id) {
		$sql = "SELECT * from admin_users
				WHERE admin_users_id = '".$id."'
				";
		$result = mysql_query($sql) or die("Query failed: ".$sql);
		$row = mysql_fetch_array($result);

		if($row = mysql_fetch_array($result)) {
			$this->CreateUser($row);
		}

		mysql_free_result($result);
		unset($sql, $result, $row);

		return $this->IsValid();
	}

	public function CreateUser($row) {
		// Set User Properties
		// Set Permissions
		$this->id = $row['admin_users_id'];
		$this->username = $row['admin_users_username'];
		$this->password = $row['admin_users_password'];
		$this->level = $row['admin_users_level'];
	}

	public function GetUserID() {
		return $this->id;
	}
}