From cbe2318824a331a7eb1706f9420884c41a7d68ee Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Thu, 25 Oct 2012 20:31:18 +0200
Subject: [PATCH] Add UserGroup::getGroupByID()

---
 .../lib/data/user/group/UserGroup.class.php   | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php b/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
index ae9400480a..522a5ef8ff 100644
--- a/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
+++ b/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
@@ -94,7 +94,7 @@ class UserGroup extends DatabaseObject {
 	 * Returns groups by given type. Returns all groups if no types given.
 	 * 
 	 * @param	array<integer>		$types
-	 * @return	array<UserGroup>
+	 * @return	array<wcf\data\user\group\UserGroup>
 	 */
 	public static function getGroupsByType(array $types = array()) {
 		self::getCache();
@@ -117,7 +117,7 @@ class UserGroup extends DatabaseObject {
 	 * Returns unique group by given type. Only works for the default user groups.
 	 * 
 	 * @param	integer		$type
-	 * @return	UserGroup
+	 * @return	wcf\data\user\group\UserGroup
 	 */
 	public static function getGroupByType($type) {
 		if ($type != self::EVERYONE && $type != self::GUESTS && $type != self::USERS) {
@@ -128,6 +128,23 @@ class UserGroup extends DatabaseObject {
 		return array_shift($groups);
 	}
 	
+	/**
+	 * Returns a group from _cache_ by given groupID. 
+	 * null is returned when the given groupID is invalid.
+	 * 
+	 * @param	integer		$groupID
+	 * @return	wcf\data\user\group\UserGroup
+	 */
+	public static function getGroupByID($groupID) {
+		self::getCache();
+		
+		if (isset(self::$cache['groups'][$groupID])) {
+			return self::$cache['groups'][$groupID];
+		}
+		
+		return null;
+	}
+	
 	/**
 	 * Returns true, if the given user is member of the group. If no user is
 	 * given, the active user is used.
-- 
2.20.1