Create feedbacks with ratings instead of marks

app/controllers/new_user/feedbacks_controller.rb

@@ -1,6 +1,6 @@
 class NewUser::FeedbacksController < ApplicationController
   def create
-    current_user.feedbacks.create!(mark: params[:mark])
+    current_user.feedbacks.create!(rating: params[:rating])
     flash.notice = "Merci de votre retour, si vous souhaitez nous en dire plus, n'hésitez pas à <a href='mailto:#{CONTACT_EMAIL}' target='_blank'>nous contacter par email</a>."
   end
 end

app/views/new_user/dossiers/index.html.haml

@@ -58,11 +58,11 @@
       #user-satisfaction
         %h3 Que pensez-vous de la facilité d'utilisation de ce service ?
         .icons
-          = link_to feedback_path(mark: 0), data: { remote: true, method: :post } do
+          = link_to feedback_path(rating: Feedback.ratings.fetch(:unhappy)), data: { remote: true, method: :post } do
             %span.icon.frown
-          = link_to feedback_path(mark: 1), data: { remote: true, method: :post } do
+          = link_to feedback_path(rating: Feedback.ratings.fetch(:neutral)), data: { remote: true, method: :post } do
             %span.icon.meh
-          = link_to feedback_path(mark: 2), data: { remote: true, method: :post } do
+          = link_to feedback_path(rating: Feedback.ratings.fetch(:happy)), data: { remote: true, method: :post } do
             %span.icon.smile
 
   - else