Modify View to use Helper to get Obj Property

app/helpers/learning_objects_helper.rb

 module LearningObjectsHelper
+  def get_object_property (object, property_name)
+    unless object.nil?
+      return object.first[property_name]
+    end
+  end
 end

app/views/learning_objects/show.html.erb

 <h1><%= @object[0]["dc_title"] %></h1>
 <ul>
-  <li><b>Autor: </b><%= @object[0]["dc_contributor_author"] %></li>
-  <li><b>Tipo: </b><%= @object[0]["dc_type"] %></li>
-  <li><b>Data: </b><%= @object[0]["dc_date_available"] %></li>
-  <li><b>Linguagem: </b><%= @object[0]["dc_language"] %></li>
+  <li><b>Autor: </b><%= get_object_property(@object,"dc_contributor_author") %></li>
+  <li><b>Tipo: </b><%= get_object_property(@object,"dc_type") %></li>
+  <li><b>Data: </b><%= get_object_property(@object,"dc_date_available") %></li>
+  <li><b>Linguagem: </b><%= get_object_property(@object,"dc_language") %></li>
   <li><b>Categorias: </b></li>
   <ul>
-    <% @object[0]["dc_subject_category"].each do |category| %>
+    <% get_object_property(@object,"dc_subject_category").each do |category| %>
       <li><%= category %></li>
     <% end %>
   </ul>
@@ -16,5 +16,5 @@
     "Curtir",
     { action: "create", controller: "graph_tests" },
     method: :post,
-    form: { from_id: "user", to_id: @object[0]["@rid"] }
+    form: { from_id: "user", to_id: get_object_property(@object,"@rid") }
 ) %>