Refactor FavoritesController for blueprinter

app/blueprints/api/v1/favorite_blueprint.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Api
+  module V1
+    class FavoriteBlueprint < ApiBlueprint
+      identifier :id
+      fields :created_at, :updated_at
+
+      association :user,
+                  name: :user,
+                  blueprint: UserBlueprint,
+                  view: :minimal
+
+      association :party,
+                  name: :party,
+                  blueprint: PartyBlueprint,
+                  view: :preview
+
+      view :destroyed do
+        field :destroyed do
+          true
+        end
+      end
+    end
+  end
+end

app/controllers/api/v1/favorites_controller.rb

@@ -18,14 +18,23 @@ module Api
                                    user_id: current_user.id,
                                    party_id: party_id
                                  })
-        render :show, status: :created if @favorite.save!
+
+        if @favorite.save!
+          return render json: FavoriteBlueprint.render(@favorite, root: :favorite),
+                        status: :created
+        end
+
+        render_validation_error_response(@favorite)
       end
 
       def destroy
         raise Api::V1::UnauthorizedError unless current_user
 
         @favorite = Favorite.where(user_id: current_user.id, party_id: favorite_params[:party_id]).first
-        render :destroyed, status: :ok if @favorite && Favorite.destroy(@favorite.id)
+        render_not_found_response('favorite') unless @favorite
+
+        render_error("Couldn't delete favorite") unless Favorite.destroy(@favorite.id)
+        render json: FavoriteBlueprint.render(@favorite, root: :favorite, view: :destroyed)
       end
 
       private