Implement controller methods for authenticate or not found

Author: rossta

app/controllers/application_controller.rb

@@ -1,3 +1,4 @@
 class ApplicationController < ActionController::Base
+  include Erroring
   include Authentication
 end

app/controllers/concerns/authentication.rb

@@ -21,6 +21,10 @@ def authenticate_user!
     redirect_to new_users_session_path, alert: "You need to sign in to access that page" unless user_signed_in?
   end
 
+  def authenticate_user_or_not_found!
+    user_signed_in? || not_found!
+  end
+
   def redirect_admin_if_authenticated
     redirect_to admin_root_path, alert: "You are already logged in." if admin_user_signed_in?
   end

app/controllers/concerns/erroring.rb

@@ -0,0 +1,5 @@
+module Erroring
+  def not_found!
+    raise ActionController::RoutingError, "Not Found"
+  end
+end