258 lines
6.3 KiB
PHP
258 lines
6.3 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Group;
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use OC\Hooks\PublicEmitter;
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use OCP\IGroupManager;
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/**
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* Class Manager
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*
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* Hooks available in scope \OC\Group:
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* - preAddUser(\OC\Group\Group $group, \OC\User\User $user)
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* - postAddUser(\OC\Group\Group $group, \OC\User\User $user)
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* - preRemoveUser(\OC\Group\Group $group, \OC\User\User $user)
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* - postRemoveUser(\OC\Group\Group $group, \OC\User\User $user)
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* - preDelete(\OC\Group\Group $group)
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* - postDelete(\OC\Group\Group $group)
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* - preCreate(string $groupId)
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* - postCreate(\OC\Group\Group $group)
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*
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* @package OC\Group
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*/
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class Manager extends PublicEmitter implements IGroupManager {
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/**
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* @var \OC_Group_Backend[]|\OC_Group_Database[] $backends
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*/
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private $backends = array();
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/**
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* @var \OC\User\Manager $userManager
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*/
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private $userManager;
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/**
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* @var \OC\Group\Group[]
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*/
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private $cachedGroups = array();
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/**
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* @var \OC\Group\Group[]
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*/
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private $cachedUserGroups = array();
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/**
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* @param \OC\User\Manager $userManager
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*/
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public function __construct($userManager) {
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$this->userManager = $userManager;
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$cachedGroups = & $this->cachedGroups;
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$cachedUserGroups = & $this->cachedUserGroups;
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$this->listen('\OC\Group', 'postDelete', function ($group) use (&$cachedGroups, &$cachedUserGroups) {
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/**
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* @var \OC\Group\Group $group
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*/
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unset($cachedGroups[$group->getGID()]);
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$cachedUserGroups = array();
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});
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$this->listen('\OC\Group', 'postAddUser', function ($group) use (&$cachedUserGroups) {
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/**
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* @var \OC\Group\Group $group
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*/
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$cachedUserGroups = array();
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});
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$this->listen('\OC\Group', 'postRemoveUser', function ($group) use (&$cachedUserGroups) {
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/**
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* @var \OC\Group\Group $group
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*/
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$cachedUserGroups = array();
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});
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}
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/**
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* @param \OC_Group_Backend $backend
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*/
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public function addBackend($backend) {
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$this->backends[] = $backend;
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}
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public function clearBackends() {
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$this->backends = array();
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$this->cachedGroups = array();
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}
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/**
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* @param string $gid
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* @return \OC\Group\Group
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*/
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public function get($gid) {
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if (isset($this->cachedGroups[$gid])) {
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return $this->cachedGroups[$gid];
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}
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return $this->getGroupObject($gid);
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}
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protected function getGroupObject($gid) {
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$backends = array();
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foreach ($this->backends as $backend) {
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if ($backend->groupExists($gid)) {
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$backends[] = $backend;
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}
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}
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if (count($backends) === 0) {
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return null;
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}
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$this->cachedGroups[$gid] = new Group($gid, $backends, $this->userManager, $this);
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return $this->cachedGroups[$gid];
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}
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/**
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* @param string $gid
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* @return bool
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*/
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public function groupExists($gid) {
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return !is_null($this->get($gid));
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}
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/**
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* @param string $gid
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* @return \OC\Group\Group
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*/
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public function createGroup($gid) {
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if ($gid === '' || is_null($gid)) {
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return false;
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} else if ($group = $this->get($gid)) {
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return $group;
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} else {
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$this->emit('\OC\Group', 'preCreate', array($gid));
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(OC_GROUP_BACKEND_CREATE_GROUP)) {
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$backend->createGroup($gid);
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$group = $this->getGroupObject($gid);
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$this->emit('\OC\Group', 'postCreate', array($group));
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return $group;
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}
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}
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return null;
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}
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}
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/**
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return \OC\Group\Group[]
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*/
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public function search($search, $limit = null, $offset = null) {
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$groups = array();
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foreach ($this->backends as $backend) {
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$groupIds = $backend->getGroups($search, $limit, $offset);
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foreach ($groupIds as $groupId) {
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$groups[$groupId] = $this->get($groupId);
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}
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if (!is_null($limit) and $limit <= 0) {
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return array_values($groups);
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}
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}
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return array_values($groups);
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}
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/**
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* @param \OC\User\User $user
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* @return \OC\Group\Group[]
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*/
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public function getUserGroups($user) {
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$uid = $user->getUID();
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if (isset($this->cachedUserGroups[$uid])) {
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return $this->cachedUserGroups[$uid];
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}
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$groups = array();
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foreach ($this->backends as $backend) {
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$groupIds = $backend->getUserGroups($uid);
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foreach ($groupIds as $groupId) {
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$groups[$groupId] = $this->get($groupId);
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}
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}
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$this->cachedUserGroups[$uid] = $groups;
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return $this->cachedUserGroups[$uid];
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}
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/**
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* get a list of group ids for a user
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* @param \OC\User\User $user
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* @return array with group ids
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*/
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public function getUserGroupIds($user) {
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$groupIds = array();
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$userId = $user->getUID();
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if (isset($this->cachedUserGroups[$userId])) {
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return array_keys($this->cachedUserGroups[$userId]);
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} else {
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foreach ($this->backends as $backend) {
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$groupIds = array_merge($groupIds, $backend->getUserGroups($userId));
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}
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}
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return $groupIds;
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}
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/**
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* get a list of all display names in a group
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* @param string $gid
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array an array of display names (value) and user ids (key)
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*/
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public function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
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$group = $this->get($gid);
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if(is_null($group)) {
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return array();
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}
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$search = trim($search);
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$groupUsers = array();
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if(!empty($search)) {
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// only user backends have the capability to do a complex search for users
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$searchOffset = 0;
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if($limit === -1) {
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$searchLimit = $group->count('');
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} else {
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$searchLimit = $limit * 2;
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}
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do {
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$filteredUsers = $this->userManager->search($search, $searchLimit, $searchOffset);
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foreach($filteredUsers as $filteredUser) {
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if($group->inGroup($filteredUser)) {
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$groupUsers[]= $filteredUser;
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}
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}
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$searchOffset += $searchLimit;
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} while(count($groupUsers) < $searchLimit+$offset && count($filteredUsers) === $searchLimit);
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if($limit === -1) {
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$groupUsers = array_slice($groupUsers, $offset);
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} else {
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$groupUsers = array_slice($groupUsers, $offset, $limit);
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}
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} else {
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$groupUsers = $group->searchUsers('', $limit, $offset);
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}
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$matchingUsers = array();
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foreach($groupUsers as $groupUser) {
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$matchingUsers[$groupUser->getUID()] = $groupUser->getDisplayName();
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}
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return $matchingUsers;
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}
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}
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