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authormarcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-06-27 14:53:49 +0000
committermarcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-06-27 14:53:49 +0000
commite10b9e31e09a6f74132c53504120253a171bfeee (patch)
tree62980fd206e5317a9505f8abf396f9eee53fb1e6
parentbc65d839a0d23aaf608801ab0343cdd2bf11a8ba (diff)
downloadelgg-e10b9e31e09a6f74132c53504120253a171bfeee.tar.gz
elgg-e10b9e31e09a6f74132c53504120253a171bfeee.tar.bz2
Added mapping to cache username => guid & code => guid. Refs #101.
git-svn-id: https://code.elgg.org/elgg/trunk@1182 36083f99-b078-4883-b0ff-0f9b5a30f544
-rw-r--r--engine/lib/users.php37
1 files changed, 28 insertions, 9 deletions
diff --git a/engine/lib/users.php b/engine/lib/users.php
index 60d279ebf..54b79b8e2 100644
--- a/engine/lib/users.php
+++ b/engine/lib/users.php
@@ -11,6 +11,12 @@
* @copyright Curverider Ltd 2008
* @link http://elgg.org/
*/
+
+ /// Map a username to a cached GUID
+ $USERNAME_TO_GUID_MAP_CACHE = array();
+
+ /// Map a user code to a cached GUID
+ $CODE_TO_GUID_MAP_CACHE = array();
/**
* ElggUser
@@ -656,12 +662,19 @@
*/
function get_user_by_username($username)
{
- global $CONFIG;
+ global $CONFIG, $USERNAME_TO_GUID_MAP_CACHE;
+
+ $username = sanitise_string($username);
+
+ // Caching
+ if ( (isset($USERNAME_TO_GUID_MAP_CACHE[$username])) && (retrieve_cached_entity($USERNAME_TO_GUID_MAP_CACHE[$username])) )
+ return retrieve_cached_entity($USERNAME_TO_GUID_MAP_CACHE[$username]);
- $username = sanitise_string($username);
$row = get_data_row("SELECT * from {$CONFIG->dbprefix}users_entity where username='$username'");
- if ($row)
- return new ElggUser($row);
+ if ($row) {
+ $USERNAME_TO_GUID_MAP_CACHE[$username] = $row->guid;
+ return new ElggUser($row);
+ }
return false;
}
@@ -674,13 +687,19 @@
*/
function get_user_by_code($code)
{
- global $CONFIG;
+ global $CONFIG, $CODE_TO_GUID_MAP_CACHE;
+
+ $code = sanitise_string($code);
+
+ // Caching
+ if ( (isset($CODE_TO_GUID_MAP_CACHE[$code])) && (retrieve_cached_entity($CODE_TO_GUID_MAP_CACHE[$code])) )
+ return retrieve_cached_entity($CODE_TO_GUID_MAP_CACHE[$code]);
- $code = sanitise_string($code);
$row = get_data_row("SELECT * from {$CONFIG->dbprefix}users_entity where code='$code'");
-
- if ($row)
- return new ElggUser($row);
+ if ($row) {
+ $CODE_TO_GUID_MAP_CACHE[$code] = $row->guid;
+ return new ElggUser($row);
+ }
return false;
}