nextcloud/lib/Group/database.php

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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.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/>.
*
*/
/*
*
* The following SQL statement is just a help for developers and will not be
* executed!
*
* CREATE TABLE `groups` (
* `gid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
* PRIMARY KEY (`gid`)
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
*
* CREATE TABLE `group_user` (
* `gid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
* `uid` varchar(64) COLLATE utf8_unicode_ci NOT NULL
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
*
*/
oc_require_once( 'Group/backend.php' );
/**
* Class for group management in a SQL Database (e.g. MySQL, SQLite)
*
*/
class OC_GROUP_DATABASE extends OC_GROUP_BACKEND {
static private $userGroupCache=array();
/**
* Try to create a new group
*
* @param string $groupName The name of the group to create
*/
public static function createGroup( $gid ){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*groups` WHERE `gid` = ?" );
$result = $query->execute( $gid );
if( $result->numRows() > 0 ){
return false;
}
else{
$query = OC_DB::prepare( "INSERT INTO `*PREFIX*groups` ( `gid` ) VALUES( ? )" );
$result = $query->prepare( $gid );
return $result ? true : false;
}
}
/**
* Check if a user belongs to a group
*
* @param string $username Name of the user to check
* @param string $groupName Name of the group
*/
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public static function inGroup( $username, $groupName ){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` = ?" );
$result = $query->execute( $groupName, $username );
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var_dump( $result );
return $result->numRows() > 0 ? true : false;
}
/**
* Add a user to a group
*
* @param string $username Name of the user to add to group
* @param string $groupName Name of the group in which add the user
*/
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public static function addToGroup( $username, $groupName ){
if( !self::inGroup( $username, $groupName )){
$query = OC_DB::prepare( "INSERT INTO `*PREFIX*group_user` ( `uid`, `gid` ) VALUES( ?, ? )" );
$result = $query->execute( $username, $groupName );
}
}
/**
* Remove a user from a group
*
* @param string $username Name of the user to remove from group
* @param string $groupName Name of the group from which remove the user
*/
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public static function removeFromGroup( $username, $groupName ){
$query = OC_DB::prepare( "DELETE FROM `*PREFIX*group_user` WHERE `uid` = ? AND `gid` = ?" );
$result = $query->execute( $username, $groupName );
}
/**
* Get all groups the user belongs to
*
* @param string $username Name of the user
*/
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public static function getUserGroups( $username ){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*group_user` WHERE `uid` = ?" );
$result = $query->execute( $username );
$groups = array();
while( $row = $result->fetchRow()){
$groups[] = $row;
}
return $groups;
}
/**
* get a list of all groups
*
*/
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public static function getGroups(){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*groups`" );
$result = $query->execute();
$groups = array();
while( $row = $result->fetchRow()){
$groups[] = $row;
}
return $groups;
}
}