product.rb

  #http://stackoverflow.com/questions/373731/override-activerecord-attribute-methods
  def price(option = nil)
    if option == :nice       
      ("%.2f" % price).gsub('.00', '.--').gsub('.', ',')
    else
      read_attribute(:price) # No test for nil?
    end
  end


# usage
# <%= product.price :nice %>&nbsp;&euro;