gistfile1.rb

    def self.note_template(opts={})
      options = {:text => ""}.merge(opts)
      builder = Nokogiri::XML::Builder.new do
          note options[:text], :date=>Time.now.iso8601
        end
      return builder.doc.root
    end

    def insert_note(opts={})
      node = self.class.note_template(opts)
      nodeset = self.find_by_terms(:human_review,:field,:note)

      unless nodeset.nil?
        if nodeset.empty?
          review_node = self.find_by_terms(:human_review,:field).first
          raise "Couldn't find review node" unless review_node
          review_node.add_child(node)
          index=0
        else
          nodeset.after(node)
          index=nodeset.length
        end
        self.dirty = true
      end
      
      return node, index
    end

def self.xml_template
  Nokogiri::XML::Builder.new do
    workflow(:xmlns => 'http://schemas.mediashelf.us/narm/metadata_workflow/') {
      humanReview {
        field :name=>'title'
      }
    }
  end.doc
end