Update poll questions translatable fields

We need to replace ".title=" by ".title_#{locale}=" in one place because
for some reason globalize builds a new translation record when using the
latter but it doesn't build one when using the former.

app/controllers/admin/poll/questions_controller.rb

@@ -56,8 +56,8 @@ class Admin::Poll::QuestionsController < Admin::Poll::BaseController
   private
 
     def question_params
-      attributes = [:poll_id, :title, :question, :proposal_id]
-      params.require(:poll_question).permit(*attributes, *translation_params(Poll::Question))
+      attributes = [:poll_id, :question, :proposal_id]
+      params.require(:poll_question).permit(*attributes, translation_params(Poll::Question))
     end
 
     def search_params

app/models/poll/question.rb

@@ -7,6 +7,7 @@ class Poll::Question < ActiveRecord::Base
 
   translates :title, touch: true
   globalize_accessors
+  accepts_nested_attributes_for :translations, allow_destroy: true
 
   belongs_to :poll
   belongs_to :author, -> { with_hidden }, class_name: 'User', foreign_key: 'author_id'
@@ -17,12 +18,13 @@ class Poll::Question < ActiveRecord::Base
   has_many :partial_results
   belongs_to :proposal
 
-  validates :title, presence: true
+  translation_class.instance_eval do
+    validates :title, presence: true, length: { minimum: 4 }
+  end
+
   validates :author, presence: true
   validates :poll_id, presence: true
 
-  validates :title, length: { minimum: 4 }
-
   scope :by_poll_id,    ->(poll_id) { where(poll_id: poll_id) }
 
   scope :sort_for_list, -> { order('poll_questions.proposal_id IS NULL', :created_at)}
@@ -47,7 +49,7 @@ class Poll::Question < ActiveRecord::Base
       self.author = proposal.author
       self.author_visible_name = proposal.author.name
       self.proposal_id = proposal.id
-      self.title = proposal.title
+      send(:"title_#{Globalize.locale}=", proposal.title)
     end
   end
 

app/views/admin/poll/questions/_form.html.erb

@@ -15,7 +15,9 @@
                     label: t("admin.questions.new.poll_label") %>
     </div>
 
-    <%= f.translatable_text_field :title %>
+    <%= f.translatable_fields do |translations_form| %>
+      <%= translations_form.text_field :title %>
+    <% end %>
 
     <div class="small-12 medium-4 large-2 margin-top">
       <%= f.submit(class: "button success expanded", value: t("shared.save")) %>

config/locales/en/activerecord.yml

@@ -194,6 +194,8 @@ en:
         summary: "Summary"
         description: "Description"
         external_url: "Link to additional documentation"
+      poll/question/translation:
+        title: "Question"
       signature_sheet:
         signable_type: "Signable type"
         signable_id: "Signable ID"

config/locales/es/activerecord.yml

@@ -194,6 +194,8 @@ es:
         summary: "Resumen"
         description: "Descripción"
         external_url: "Enlace a documentación adicional"
+      poll/question/translation:
+        title: "Pregunta"
       signature_sheet:
         signable_type: "Tipo de hoja de firmas"
         signable_id: "ID Propuesta ciudadana/Propuesta inversión"

spec/features/admin/poll/questions_spec.rb

@@ -46,7 +46,7 @@ feature 'Admin poll questions' do
     click_link "Create question"
 
     select 'Movies', from: 'poll_question_poll_id'
-    fill_in 'poll_question_title_en', with: title
+    fill_in 'Question', with: title
 
     click_button 'Save'
 
@@ -61,7 +61,7 @@ feature 'Admin poll questions' do
     click_link "Create question"
 
     expect(page).to have_current_path(new_admin_question_path, ignore_query: true)
-    expect(page).to have_field('poll_question_title_en', with: proposal.title)
+    expect(page).to have_field('Question', with: proposal.title)
 
     select 'Proposals', from: 'poll_question_poll_id'
 
@@ -84,7 +84,7 @@ feature 'Admin poll questions' do
 
     old_title = question1.title
     new_title = "Potatoes are great and everyone should have one"
-    fill_in 'poll_question_title_en', with: new_title
+    fill_in 'Question', with: new_title
 
     click_button 'Save'