Use forms as homepage if logged in

app/controllers/application_controller.rb

@@ -7,4 +7,8 @@ class ApplicationController < ActionController::Base
   def current_user
     session[:user_id] && User.find_by(id: session[:user_id])
   end
+
+  def logged_in?
+    current_user.present?
+  end
 end

app/controllers/home_controller.rb

@@ -1,4 +1,6 @@
 class HomeController < ApplicationController
 
-  def index; end
+  def index
+    redirect_to forms_url if logged_in?
+  end
 end