1 files changed, 7 insertions, 1 deletions
diff --git a/modules/user/models/user.php b/modules/user/models/user.php
index 55bb3d6a..585f4b96 100644
--- a/modules/user/models/user.php
+++ b/modules/user/models/user.php
@@ -20,6 +20,7 @@
 class User_Model_Core extends ORM implements User_Definition {
   protected $has_and_belongs_to_many = array("groups");
   protected $password_length = null;
+  protected $groups_cache = null;
 
   public function __set($column, $value) {
     switch ($column) {
@@ -43,6 +44,7 @@ class User_Model_Core extends ORM implements User_Definition {
     module::event("user_before_delete", $this);
     parent::delete($id);
     module::event("user_deleted", $old);
+    $this->groups_cache = null;
   }
 
   /**
@@ -56,7 +58,10 @@ class User_Model_Core extends ORM implements User_Definition {
   }
 
   public function groups() {
-    return $this->groups->find_all();
+    if (!$this->groups_cache) {
+      $this->groups_cache = $this->groups->find_all()->as_array();
+    }
+    return $this->groups_cache;
   }
 
   /**
@@ -108,6 +113,7 @@ class User_Model_Core extends ORM implements User_Definition {
       module::event("user_updated", $original, $this);
     }
 
+    $this->groups_cache = null;
     return $this;
   }