upto 2.7

app/controllers/ratings_controller.rb

@@ -2,4 +2,13 @@ class RatingsController < ApplicationController
   def index
     @ratings = Rating.all
   end
+
+  def new
+    @rating = Rating.new
+    @beers = Beer.all
+  end
+  def create
+    Rating.create params.require(:rating).permit(:score, :beer_id)
+    redirect_to ratings_path
+  end
 end