2 files changed, 9 insertions, 1 deletions
diff --git a/app/models/role.rb b/app/models/role.rb
index 7798f3bc6..a60319c55 100644
--- a/app/models/role.rb
+++ b/app/models/role.rb
@@ -26,6 +26,10 @@ class Role < ActiveRecord::Base
   validates_uniqueness_of :name
   validates_format_of :name, :with => /^[\w\s\'\-]*$/i
 
+  def <=>(role)
+    position <=> role.position
+  end
+  
 private
   def check_integrity
     raise "Can't delete role" if Member.find(:first, :conditions =>["role_id=?", self.id])
diff --git a/app/models/user.rb b/app/models/user.rb
index 514517de6..60baa72da 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -141,7 +141,11 @@ class User < ActiveRecord::Base
     token = Token.find_by_value(key)
     token && token.user.active? ? token.user : nil
   end
-	
+
+  def <=>(user)
+    lastname <=> user.lastname
+  end
+  
 private
   # Return password digest
   def self.hash_password(clear_password)