Merge pull request #14 from raffij/bugfixes/twitter-url-entities

Added twitter url_entities to twitter block and fixed pluck when type is not found.

app/views/sir-trevor/blocks/_tweet_block.html.erb

@@ -1,6 +1,6 @@
 <div class="content-block tweet-block">
   <%= link_to image_tag("//twitter.com/api/users/profile_image/#{ block[:user][:screen_name] }?size=bigger", :class => 'img'), "http://twitter.com/#{ block[:user][:screen_name] }" %>
-  <p><%= sanitize Twitter::Autolink.auto_link(block[:text]), tags: %w{a}, attributes: %w{href rel target} %></p>
+  <p><%= sanitize Twitter::Autolink.auto_link(block[:text], url_entities: (block[:entities].values_at(:urls, :media).flatten.compact.uniq rescue nil)), tags: %w{a}, attributes: %w{href rel target} %></p>
   <cite>From <%= link_to "@#{ block[:user][:screen_name] }", "http://twitter.com/#{ block[:user][:screen_name] }" %> on Twitter:</cite>
   <time datetime="<%= block[:created_at] %>">(<%= link_to Time.parse(block[:created_at]), "http://twitter.com/#{block[:user][:screen_name]}/status/#{block[:id_str]}" %>)</time>
 </div>

lib/sir-trevor/helpers/view_helper.rb

@@ -75,7 +75,7 @@ def pluck_sir_trevor_type(json, type)
           hash = SirTrevor.parse_json(json)
           if hash.has_key?(:data)
             item = hash[:data].select { |item| item[:type] == type }
-            item.first[:text]
+            item.first[:text] if item.any?
           end
         end
     end