Protect ourselves from problems with youtube title serialization by rescuing type mismatches in the marshaller.

app/models/status_message.rb

@@ -131,6 +131,18 @@ class StatusMessage < Post
     end
   end
 
+  def unserialize_attribute attr_name
+    if attr_name == "youtube_titles"
+      begin
+        super
+      rescue ActiveRecord::SerializationTypeMismatch
+        {}
+      end
+    else
+      super
+    end
+  end
+
   protected
 
   def message_or_photos_present?

spec/lib/youtube_titles_spec.rb

@@ -45,6 +45,12 @@ describe YoutubeTitles do
         StatusMessage.find(@post.id).youtube_titles
       }.should_not raise_error
     end
+    it 'can be re-marshalled if it is serializaed incorrectly' do
+      StatusMessage.where(:id => @post.id).update_all(:youtube_titles => "this is not yaml")
+      lambda {
+        StatusMessage.find(@post.id).youtube_titles
+      }.should_not raise_error
+    end
   end
 
   describe "YOUTUBE_ID_REGEX" do