bunch of stuffs

app/controllers/application_controller.rb

@@ -4,9 +4,26 @@ class ApplicationController < ActionController::Base
   helper :all
   include UsersHelper
   helper_method :current_user
+  helper_method :mod?
+  helper_method :admin?
+  helper_method :superadmin?
 
   private
+
   def current_user
     @current_user ||= User.find_by_id(session[:user_id])
   end
+
+  def mod?
+    !!(current_user && current_user.rank >= rank_to_int("mod"))
+  end
+
+  def admin?
+    !!(current_user && current_user.rank >= rank_to_int("admin"))
+  end
+
+  def superadmin?
+    !!(current_user && current_user.rank >= rank_to_int("superadmin"))
+  end
+
 end