[RAILS] Used the suggest method instead of response['suggest'] in the application template

Related: elastic#483

Author: nipe0324

elasticsearch-rails/lib/rails/templates/index.html.dsl.erb

@@ -47,7 +47,7 @@
   <hr>
 </div>
 
-<% if @articles.size < 1 && (suggestions = @articles.response.response['suggest']) && suggestions.present?  %>
+<% if @articles.size < 1 && @articles.response.suggest.present?  %>
 <div class="col-md-12">
   <p class="alert alert-warning">
     No documents have been found.

elasticsearch-rails/lib/rails/templates/index.html.erb

@@ -47,7 +47,7 @@
   <hr>
 </div>
 
-<% if @articles.size < 1 && (suggestions = @articles.response.response['suggest']) && suggestions.present?  %>
+<% if @articles.size < 1 && @articles.response.suggest.present?  %>
 <div class="col-md-12">
   <p class="alert alert-warning">
     No documents have been found.

elasticsearch-rails/lib/rails/templates/search_controller_test.dsl.rb

@@ -58,7 +58,7 @@ class SearchControllerTest < ActionController::TestCase
     get :index, q: 'one'
     assert_response :success
 
-    suggestions = assigns(:articles).response.response['suggest']
+    suggestions = assigns(:articles).response.suggest
 
     assert_equal 'one', suggestions['suggest_title'][0]['text']
   end

elasticsearch-rails/lib/rails/templates/search_controller_test.rb

@@ -59,7 +59,7 @@ class SearchControllerTest < ActionController::TestCase
     get :index, q: 'one'
     assert_response :success
 
-    suggestions = assigns(:articles).response.response['suggest']
+    suggestions = assigns(:articles).response.suggest
 
     assert_equal 'one', suggestions['suggest_title'][0]['text']
   end