module Pruning
  module HTTP
    class Query < Struct.new(:name, :indicator_ids)
      def initialize(params = {})
        values = members.map do |member|
          value = params.fetch(member, nil)
          next if value.nil?
          case member
          when :indicator_ids then value.map(&:to_i) # break on purpose if indicator_ids is not an array
          when :name then value.to_s.gsub(/[^A-Za-z]/,'') 
            else value
          end
        end
        super(*values)
      end
    end
  end
end