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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* 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 2 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This is the API for handling groups.
*
* Note: by design, this class does not do any permission checking.
*/
class group_Core {
const EVERYBODY = 0;
const REGISTERED_USERS = 1;
/**
* Create a new group.
*
* @param string $name
* @return Group_Model
*/
static function create($name) {
$group = ORM::factory("group");
if ($group->loaded) {
throw new Exception("@todo GROUP_ALREADY_EXISTS $name");
}
$group->name = $name;
$group->save();
module::event("group_created", $group);
return $group;
}
/**
* Delete a group
*
* @param string $name the group name
*/
static function delete($id) {
$group = ORM::factory("group", $id);
if ($group->loaded) {
module::event("group_before_delete", $group);
$group->delete();
}
}
/**
* Remove a user from a group
*
* @param integer $group_id the id of the group
* @param integer $user_id the id of the user
* @return Group_Model
*/
static function remove_user($group_id, $user_id) {
$group = ORM::factory("group", $group_id);
if (!$group->loaded) {
throw new Exception("@todo MISSING_GROUP $group_id");
}
$user = ORM::factory("user", $user_id);
if (!$user->loaded) {
throw new Exception("@todo MISSING_USER $user_id");
}
$group->remove($user);
return $group;
}
/**
* Add a user to a group
*
* @param integer $group_id the id of the group
* @param integer $user_id the id of the user
* @return Group_Model
*/
static function add_user($group_id, $user_id) {
$group = ORM::factory("group", $group_id);
if (!$group->loaded) {
throw new Exception("@todo MISSING_GROUP $group_id");
}
$user = ORM::factory("user", $user_id);
if (!$user->loaded) {
throw new Exception("@todo MISSING_USER $user_id");
}
$group->add($user);
return $group;
}
}
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