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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* dummy group backend, does not keep state, only for testing use
*/
class OC_Group_Dummy extends OC_Group_Backend {
private $groups=array();
/**
* Try to create a new group
* @param string $gid The name of the group to create
* @return bool
*
* Tries to create a new group. If the group name already exists, false will
* be returned.
*/
public function createGroup($gid) {
if(!isset($this->groups[$gid])) {
$this->groups[$gid]=array();
return true;
}else{
return false;
}
}
/**
* delete a group
* @param string $gid gid of the group to delete
* @return bool
*
* Deletes a group and removes it from the group_user-table
*/
public function deleteGroup($gid) {
if(isset($this->groups[$gid])) {
unset($this->groups[$gid]);
return true;
}else{
return false;
}
}
/**
* is user in group?
* @param string $uid uid of the user
* @param string $gid gid of the group
* @return bool
*
* Checks whether the user is member of a group or not.
*/
public function inGroup($uid, $gid) {
if(isset($this->groups[$gid])) {
return (array_search($uid, $this->groups[$gid])!==false);
}else{
return false;
}
}
/**
* Add a user to a group
* @param string $uid Name of the user to add to group
* @param string $gid Name of the group in which add the user
* @return bool
*
* Adds a user to a group.
*/
public function addToGroup($uid, $gid) {
if(isset($this->groups[$gid])) {
if(array_search($uid, $this->groups[$gid])===false) {
$this->groups[$gid][]=$uid;
return true;
}else{
return false;
}
}else{
return false;
}
}
/**
* Removes a user from a group
* @param string $uid Name of the user to remove from group
* @param string $gid Name of the group from which remove the user
* @return bool
*
* removes the user from a group.
*/
public function removeFromGroup($uid, $gid) {
if(isset($this->groups[$gid])) {
if(($index=array_search($uid, $this->groups[$gid]))!==false) {
unset($this->groups[$gid][$index]);
}else{
return false;
}
}else{
return false;
}
}
/**
* Get all groups a user belongs to
* @param string $uid Name of the user
* @return array an array of group names
*
* This function fetches all groups a user belongs to. It does not check
* if the user exists at all.
*/
public function getUserGroups($uid) {
$groups=array();
$allGroups=array_keys($this->groups);
foreach($allGroups as $group) {
if($this->inGroup($uid, $group)) {
$groups[]=$group;
}
}
return $groups;
}
/**
* Get a list of all groups
* @param string $search
* @param int $limit
* @param int $offset
* @return array an array of group names
*/
public function getGroups($search = '', $limit = -1, $offset = 0) {
if(empty($search)) {
return array_keys($this->groups);
}
$result = array();
foreach(array_keys($this->groups) as $group) {
if(stripos($group, $search) !== false) {
$result[] = $group;
}
}
return $result;
}
/**
* Get a list of all users in a group
* @param string $gid
* @param string $search
* @param int $limit
* @param int $offset
* @return array an array of user IDs
*/
public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
if(isset($this->groups[$gid])) {
if(empty($search)) {
return $this->groups[$gid];
}
$result = array();
foreach($this->groups[$gid] as $user) {
if(stripos($user, $search) !== false) {
$result[] = $user;
}
}
return $result;
}else{
return array();
}
}
/**
* get the number of all users in a group
* @param string $gid
* @param string $search
* @param int $limit
* @param int $offset
* @return int
*/
public function countUsersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
if(isset($this->groups[$gid])) {
if(empty($search)) {
return count($this->groups[$gid]);
}
$count = 0;
foreach($this->groups[$gid] as $user) {
if(stripos($user, $search) !== false) {
$count++;
}
}
return $count;
}
}
}
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