parsley/app/views/foods/index.json.jbuilder

json.cache_root!(@foods, version: @foods.cache_version) do

  json.extract! @foods, :total_count, :total_pages, :current_page
  json.page_size @foods.limit_value

  json.foods @foods do |i|
    json.extract! i, :id, :name, :ndbn, :kcal
    json.usda i.ndbn.present?

    if i.density.present?
      value = UnitConversion::parse(i.density)
      json.density value.convert('oz/cup').change_formatter(UnitConversion::DecimalFormatter.new).pretty_value
    else
      json.density nil
    end

  end

end