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Cache user and group id's to save some queries

This commit is contained in:
Robin Appelman 2010-06-22 01:27:44 +02:00
parent a9fd0c67b4
commit e4a83b68e9
1 changed files with 19 additions and 0 deletions
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19
inc/lib_user.php
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@ -27,6 +27,14 @@ if(!$CONFIG_INSTALLED){
$_SESSION['username_clean']='';
}
//cache the userid's an groupid's
if(!isset($_SESSION['user_id_cache'])){
$_SESSION['user_id_cache']=array();
}
if(!isset($_SESSION['group_id_cache'])){
$_SESSION['group_id_cache']=array();
}
/**
* Class for usermanagement
*
@ -132,6 +140,9 @@ class OC_USER {
*/
public static function getuserid($username){
$usernameclean=strtolower($username);
if(isset($_SESSION['user_id_cache'][$usernameclean])){//try to use cached value to save an sql query
return $_SESSION['user_id_cache'][$usernameclean];
}
$usernameclean=OC_DB::escape($usernameclean);
$query="SELECT user_id FROM users WHERE user_name_clean = '$usernameclean'";
$result=OC_DB::select($query);
@ -139,6 +150,7 @@ class OC_USER {
return 0;
}
if(isset($result[0]) && isset($result[0]['user_id'])){
$_SESSION['user_id_cache'][$usernameclean]=$result[0]['user_id'];
return $result[0]['user_id'];
}else{
return 0;
@ -150,6 +162,9 @@ class OC_USER {
*
*/
public static function getgroupid($groupname){
if(isset($_SESSION['group_id_cache'][$groupname])){//try to use cached value to save an sql query
return $_SESSION['group_id_cache'][$groupname];
}
$groupname=OC_DB::escape($groupname);
$query="SELECT group_id FROM groups WHERE group_name = '$groupname'";
$result=OC_DB::select($query);
@ -157,6 +172,7 @@ class OC_USER {
return 0;
}
if(isset($result[0]) && isset($result[0]['group_id'])){
$_SESSION['group_id_cache'][$groupname]=$result[0]['group_id'];
return $result[0]['group_id'];
}else{
return 0;
@ -168,6 +184,9 @@ class OC_USER {
*
*/
public static function getgroupname($groupid){
if($name=array_search($groupid,$_SESSION['group_id_cache'])){//try to use cached value to save an sql query
return $name;
}
$groupid=(integer)$groupid;
$query="SELECT group_name FROM groups WHERE group_id = '$groupid' LIMIT 1";
$result=OC_DB::select($query);