borja / herocalf

class Material < Util

  def name

    material(id)['name']

  end

  def description

    material(id)['description']

  end

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

  # ids of the heros with self.id material available

  def disponibles

    total = []

    heros.each do |h|

      next unless h.materiales

      h.materiales.each do |matt|

        total << h.id if matt == id

      end

    end

    total

  end

  def usado_en

    usado = []

    profesions.each do |prof|

      %w[aprendiz artesano maestro].each do |grado|

        prof.send(grado).each do |receta|

          next unless receta['matts']

          next unless receta['matts'].include?(id)

          usado << { prof: id, grado: grado, receta: receta }

        end

      end

    end

    usado

  end

end