generate options with custom data attrs

data_attr_options.rb

def options_from_collection_for_select_with_data(collection, value_method, text_method, selected = nil, data = {})
    options = collection.map do |element|
      [element.send(text_method), element.send(value_method), data.map do |k, v|
        {"data-#{k}" => element.send(v)}
      end
      ].flatten
    end
    selected, disabled = extract_selected_and_disabled(selected)
    select_deselect = {}
    select_deselect[:selected] = extract_values_from_collection(collection, value_method, selected)
    select_deselect[:disabled] = extract_values_from_collection(collection, value_method, disabled)
    options_for_select(options, select_deselect)
  end

  def options_from_collection_for_select_with_custom(collection, value_method, text_method, data_name, custom_method, option_method, selected = nil)
    options = collection.map do |element|
      [element.send(text_method), element.send(value_method), {"data-#{data_name}" => send(custom_method, element.send(option_method))}]
    end
    selected, disabled = extract_selected_and_disabled(selected)
    select_deselect = {}
    select_deselect[:selected] = extract_values_from_collection(collection, value_method, selected)
    select_deselect[:disabled] = extract_values_from_collection(collection, value_method, disabled)
    options_for_select(options, select_deselect)
  end