2 files changed, 29 insertions, 4 deletions
diff --git a/lib/private/appframework/dependencyinjection/dicontainer.php b/lib/private/appframework/dependencyinjection/dicontainer.php
index faab40ce246..dc57ef4c167 100644
--- a/lib/private/appframework/dependencyinjection/dicontainer.php
+++ b/lib/private/appframework/dependencyinjection/dicontainer.php
@@ -196,8 +196,7 @@ class DIContainer extends SimpleContainer implements IAppContainer{
 	}
 
 	/**
-	 * @deprecated use the groupmanager instead to find out if the user is in
-	 * the admin group
+	 * @deprecated use IGroupManager->isAdmin($userId)
 	 * @return boolean
 	 */
 	function isAdminUser() {
diff --git a/lib/private/group/manager.php b/lib/private/group/manager.php
index be7bf972693..8dcf14fc1d2 100644
--- a/lib/private/group/manager.php
+++ b/lib/private/group/manager.php
@@ -170,7 +170,14 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @return \OC\Group\Group[]
 	 */
 	public function getUserGroups($user) {
-		$uid = $user->getUID();
+		return $this->getUserIdGroups($user->getUID());
+	}
+
+	/**
+	 * @param string $uid the user id
+	 * @return \OC\Group\Group[]
+	 */
+	public function getUserIdGroups($uid) {
 		if (isset($this->cachedUserGroups[$uid])) {
 			return $this->cachedUserGroups[$uid];
 		}
@@ -184,7 +191,26 @@ class Manager extends PublicEmitter implements IGroupManager {
 		$this->cachedUserGroups[$uid] = $groups;
 		return $this->cachedUserGroups[$uid];
 	}
-	
+
+	/**
+	 * Checks if a userId is in the admin group
+	 * @param string $userId
+	 * @return bool if admin
+	 */
+	public function isAdmin($userId) {
+		return $this->isInGroup($userId, 'admin');
+	}
+
+	/**
+	 * Checks if a userId is in a group
+	 * @param string $userId
+	 * @param group $group
+	 * @return bool if in group
+	 */
+	public function isInGroup($userId, $group) {
+		return array_key_exists($group, $this->getUserIdGroups($userId));
+	}
+
 	/**
 	 * get a list of group ids for a user
 	 * @param \OC\User\User $user