class ActionView::Helpers::Tags::CollectionSelect

def initialize(object_name, method_name, template_object, collection, value_method, text_method, options, html_options)
  @collection   = collection
  @value_method = value_method
  @text_method  = text_method
  @html_options = html_options
  super(object_name, method_name, template_object, options)
end

def render
  option_tags_options = {
    selected: @options.fetch(:selected) { value },
    disabled: @options[:disabled]
  }
  select_content_tag(
    options_from_collection_for_select(@collection, @value_method, @text_method, option_tags_options),
    @options, @html_options
  )
end