224 lines
6.4 KiB
PHP
224 lines
6.4 KiB
PHP
<?php
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/**
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Jakob Sack <mail@jakobsack.de>
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* @author Joas Schilling <nickvergessen@gmx.de>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Michael Gapczynski <gapczynskim@gmail.com>
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* @author michag86 <micha_g@arcor.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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class OC_Group_Database extends OC_Group_Backend {
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/**
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* Try to create a new group
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* @param string $gid The name of the group to create
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* @return bool
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*
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* Tries to create a new group. If the group name already exists, false will
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* be returned.
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*/
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public function createGroup( $gid ) {
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// Check for existence
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$stmt = OC_DB::prepare( "SELECT `gid` FROM `*PREFIX*groups` WHERE `gid` = ?" );
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$result = $stmt->execute( array( $gid ));
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if( $result->fetchRow() ) {
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// Can not add an existing group
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return false;
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}
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else{
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// Add group and exit
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$stmt = OC_DB::prepare( "INSERT INTO `*PREFIX*groups` ( `gid` ) VALUES( ? )" );
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$result = $stmt->execute( array( $gid ));
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return $result ? true : false;
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}
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}
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/**
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* delete a group
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* @param string $gid gid of the group to delete
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* @return bool
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*
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* Deletes a group and removes it from the group_user-table
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*/
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public function deleteGroup( $gid ) {
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// Delete the group
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$stmt = OC_DB::prepare( "DELETE FROM `*PREFIX*groups` WHERE `gid` = ?" );
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$stmt->execute( array( $gid ));
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// Delete the group-user relation
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$stmt = OC_DB::prepare( "DELETE FROM `*PREFIX*group_user` WHERE `gid` = ?" );
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$stmt->execute( array( $gid ));
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// Delete the group-groupadmin relation
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$stmt = OC_DB::prepare( "DELETE FROM `*PREFIX*group_admin` WHERE `gid` = ?" );
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$stmt->execute( array( $gid ));
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return true;
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}
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/**
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* is user in group?
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* @param string $uid uid of the user
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* @param string $gid gid of the group
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* @return bool
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*
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* Checks whether the user is member of a group or not.
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*/
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public function inGroup( $uid, $gid ) {
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// check
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$stmt = OC_DB::prepare( "SELECT `uid` FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` = ?" );
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$result = $stmt->execute( array( $gid, $uid ));
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return $result->fetchRow() ? true : false;
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}
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/**
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* Add a user to a group
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* @param string $uid Name of the user to add to group
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* @param string $gid Name of the group in which add the user
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* @return bool
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*
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* Adds a user to a group.
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*/
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public function addToGroup( $uid, $gid ) {
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// No duplicate entries!
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if( !$this->inGroup( $uid, $gid )) {
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$stmt = OC_DB::prepare( "INSERT INTO `*PREFIX*group_user` ( `uid`, `gid` ) VALUES( ?, ? )" );
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$stmt->execute( array( $uid, $gid ));
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return true;
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}else{
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return false;
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}
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}
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/**
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* Removes a user from a group
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* @param string $uid Name of the user to remove from group
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* @param string $gid Name of the group from which remove the user
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* @return bool
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*
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* removes the user from a group.
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*/
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public function removeFromGroup( $uid, $gid ) {
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$stmt = OC_DB::prepare( "DELETE FROM `*PREFIX*group_user` WHERE `uid` = ? AND `gid` = ?" );
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$stmt->execute( array( $uid, $gid ));
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return true;
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}
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/**
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* Get all groups a user belongs to
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* @param string $uid Name of the user
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* @return array an array of group names
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*
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* This function fetches all groups a user belongs to. It does not check
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* if the user exists at all.
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*/
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public function getUserGroups( $uid ) {
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// No magic!
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$stmt = OC_DB::prepare( "SELECT `gid` FROM `*PREFIX*group_user` WHERE `uid` = ?" );
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$result = $stmt->execute( array( $uid ));
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$groups = array();
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while( $row = $result->fetchRow()) {
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$groups[] = $row["gid"];
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}
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return $groups;
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}
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/**
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* get a list of all groups
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array an array of group names
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*
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* Returns a list with all groups
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*/
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public function getGroups($search = '', $limit = null, $offset = null) {
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$stmt = OC_DB::prepare('SELECT `gid` FROM `*PREFIX*groups` WHERE LOWER(`gid`) LIKE LOWER(?) ORDER BY `gid` ASC', $limit, $offset);
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$result = $stmt->execute(array('%' . $search . '%'));
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$groups = array();
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while ($row = $result->fetchRow()) {
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$groups[] = $row['gid'];
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}
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return $groups;
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}
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/**
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* check if a group exists
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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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$query = OC_DB::prepare('SELECT `gid` FROM `*PREFIX*groups` WHERE `gid` = ?');
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$result = $query->execute(array($gid))->fetchOne();
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if ($result !== false) {
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return true;
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}
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return false;
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}
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/**
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* get a list of all users 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 $offset
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* @return array an array of user ids
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*/
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public function usersInGroup($gid, $search = '', $limit = null, $offset = null) {
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$stmt = OC_DB::prepare('SELECT `uid` FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` LIKE ? ORDER BY `uid` ASC',
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$limit,
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$offset);
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$result = $stmt->execute(array($gid, '%'.$search.'%'));
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$users = array();
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while ($row = $result->fetchRow()) {
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$users[] = $row['uid'];
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}
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return $users;
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}
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/**
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* get the number of all users matching the search string in a group
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* @param string $gid
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* @param string $search
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* @return int|false
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* @throws \OC\DatabaseException
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*/
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public function countUsersInGroup($gid, $search = '') {
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$stmt = OC_DB::prepare('SELECT COUNT(`uid`) AS `count` FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` LIKE ?');
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$result = $stmt->execute(array($gid, '%' . $search . '%'));
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$count = $result->fetchOne();
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if($count !== false) {
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$count = intval($count);
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}
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return $count;
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}
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}
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