borja / herocalf

class Engarce < Hash

  attr_accessor :id, :name, :fits, :color

  def initialize(args)

    args.each do |k, v|

      instance_variable_set("@#{k}".to_sym, v) unless v.nil?

    end

  end

  def item

    self.class.to_s.downcase

  end

  def img_path

    "/images/treasures/#{item}s/#{name}.png"

  end

  def big_img

    "/images/items/#{item}s/#{name}.png"

  end

  # returns from heros.tesoro, the list of (maybe repeated)

  # ids of the heros with self.id gem/runa/joya available

  def disponibles

    total = []

    heros.each do |h|

      next unless h.tesoro

      next unless h.tesoro[item + 's']

      h.tesoro[item + 's'].each do |e|

        (total << h.id) if e == id

      end

    end

    total

  end

end