fixed upload->post converion process

app/presenters/upload_presenter.rb

@@ -0,0 +1,15 @@
+class UploadPresenter < Presenter
+  def initialize(upload)
+    @upload = upload
+  end
+  
+  def status(template)
+    case @upload.status
+    when /duplicate: (\d+)/
+      template.link_to(@upload.status, template.__send__(:post_path, $1))
+      
+    else
+      @upload.status
+    end
+  end
+end