adding ratting name in review_rating_serializer and adding rated and approves in review_serializer

app/serializers/review_rating_serializer.rb

 class ReviewRatingSerializer < ActiveModel::Serializer
-  
+
   def rating_name
     object.rating.name
   end
-  
+
   attributes :id, :review_id, :rating_id, :rating_name, :value
 end

app/serializers/review_serializer.rb

 class ReviewSerializer < ActiveModel::Serializer
-  attributes :id, :name, :description, :pros, :cons, :rates_count, :created_at, :updated_at, :reviewable
+
+  def rating_average
+    object.rating_average
+  end
+
+  def rated
+    object.rated?(current_user)
+  end
+
+  def approves
+    object.user_approves? current_user
+  end
+
+  attributes :id, :name, :description, :pros, :cons, :rating_average, :rates_count, :created_at, :updated_at, :reviewable, :rated, :approves
   has_many :review_ratings
   belongs_to :user
 end