accept = ENV["HTTP_ACCEPT"] def accept.to_a split(/\s*,\s*/).inject([]) do |ret, value| media_type, qs = value.split(/\s*;\s*q=/) ret << [media_type, qs ? qs.to_f : 1.to_f] end end def accept.negotiate(servable) # servable= [{:media_type =…