ohm_document_model.rb

class Page < Ohm::Model
  attribute :name
  attribute :html
  list :blocks, BlockContent
  
  index :name
  
  def validate
    assert_present :name
  end
  
  def parse_block_content
    self.blocks.clear
    doc = Nokogiri::HTML(self.html)
    doc.css('body *').each do |child|
      self.blocks << BlockContent.create(:element => child.name,
        :id_name => child['id'], :class_name => child['class'],
        :content => child.content)
    end
  end
end

class BlockContent < Ohm::Model
  attribute :element
  attribute :id_name
  attribute :class_name
  attribute :content
end