<?php
/*
 * Copyright 2008 Marc Mongenet
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

abstract class Groupable {
	public $name;
	private $groups = array();
	public $registering_error = FALSE;


	function __construct($name = NULL) {
		$this->name = $name;
	}


	function put_in_group($group) {
		$this->groups[$group->name] = $group;
	}
	

	function is_in_group($group_name) {
		if (array_key_exists($group_name, $this->groups)) {
			return TRUE;
		}
		foreach ($this->groups as $g) {
			if ($g->is_in_group($group_name)) {
				return TRUE;
			}
		}
		return FALSE;
	}


	function in_groups() {
		$result = array();
		foreach ($this->groups as $g) {
			$result[] = $g->name;
			$result = array_merge($result, $g->in_groups());
		}
		return $result;
	}
}


class User extends Groupable {
	static $default_users = array('w2mllogout', 'w2mlanon', 'w2mlwrong',
	                              'w2mlnolog', 'w2mlunknown', 'w2mlnopwd');
	public $password = NULL;
	function __construct($name = NULL) { parent::__construct($name); }
}


class Group extends Groupable {
	function __construct($name = NULL) { parent::__construct($name); }
}

?>