Re-Enable add Like button on LearningObj show page

app/helpers/learning_objects_helper.rb

 module LearningObjectsHelper
-  def get_object_property (object, property_name)
-    unless object.nil?
-      return object.first[property_name]
-    end
+  def create_like lo
+    Portalmec::Application.repository.for(:learning_object).create_edge "Likes", "#14:0", lo.id
   end
 end

app/views/learning_objects/show.html.erb

@@ -5,8 +5,16 @@
   <li><b>Tipo: </b><%= @learning_object.get_metadata_value_of("dc.type") %></li>
   <li><b>Data: </b><%= @learning_object.get_metadata_value_of("dc.date.available") %></li>
   <li><b>Linguagem: </b><%= @learning_object.get_metadata_value_of("dc.language") %></li>
+  <li><b>Metadados: </b></li>
+  <ul>
+    <% @learning_object.metadata.each do |m| %>
+      <li><%= "#{m["key"]}: #{m["value"]}" %></li>
+      <% end %>
+  </ul>
 </ul>
 
 <br>
 <p>Total Curtir: <%= @learning_object.likes %></p>
 <p>Total Visualizações: <%= @learning_object.views %></p>
+<br>
+<%= button_to "Curtir", create_like(@learning_object), :method => :get %>