83 lines
2.5 KiB
PHP
83 lines
2.5 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
|
|
/**
|
|
* Gallery - a web based photo album viewer and editor
|
|
* Copyright (C) 2000-2013 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 {
|
|
/**
|
|
* The group of all possible visitors. This includes the guest user.
|
|
*
|
|
* @return Group_Definition the group object
|
|
*/
|
|
static function everybody() {
|
|
return model_cache::get("group", 1);
|
|
}
|
|
|
|
/**
|
|
* The group of all logged-in visitors. This does not include guest users.
|
|
*
|
|
* @return Group_Definition the group object
|
|
*/
|
|
static function registered_users() {
|
|
return model_cache::get("group", 2);
|
|
}
|
|
|
|
/**
|
|
* Look up a group by id.
|
|
* @param integer $id the user id
|
|
* @return Group_Definition the group object, or null if the id was invalid.
|
|
*/
|
|
static function lookup($id) {
|
|
return self::_lookup_by_field("id", $id);
|
|
}
|
|
|
|
/**
|
|
* Look up a group by name.
|
|
* @param integer $id the group name
|
|
* @return Group_Definition the group object, or null if the name was invalid.
|
|
*/
|
|
static function lookup_by_name($name) {
|
|
return self::_lookup_by_field("name", $name);
|
|
}
|
|
|
|
/**
|
|
* Search the groups by the field and value.
|
|
* @param string $field_name column to look up the user by
|
|
* @param string $value value to match
|
|
* @return Group_Definition the group object, or null if the name was invalid.
|
|
*/
|
|
private static function _lookup_by_field($field_name, $value) {
|
|
try {
|
|
$group = model_cache::get("group", $value, $field_name);
|
|
if ($group->loaded()) {
|
|
return $group;
|
|
}
|
|
} catch (Exception $e) {
|
|
if (strpos($e->getMessage(), "MISSING_MODEL") === false) {
|
|
throw $e;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|