gistfile1.rb

 def calculate_params(context, method_name, params)
   if params.kind_of?(Array)
     context.send(method_name, *params)
   elsif params.kind_of?(Hash)
     context = context.send(method_name)
     calculate_params(context, params.keys[0], params.values[0])
   elsif params.respond_to?(:to_sym)
     context.send(method_name, params)
   else raise ArgumentError, "Unknown type of function params"
   end
end

def serializable_record
  returning(serializable_record = {}) do
    serializable_names.each do |name|
      if(params = methods_with_params[name])
        serializable_record[name] = calculate_params(@record, name, params)
      else
        serializable_record[name] = @record.send(name)
      end
    end
    add_includes do |association, records, opts|
      # puts association.inspect
      # puts records.inspect
      # puts opts.inspect
      # puts "============"

      if records.is_a?(Enumerable)
        serializable_record[association] = records.collect { |r| cl = self.class.new(r, opts); cl.serializable_record }
      else
          serializable_record[association] = self.class.new(records, opts).serializable_record
      end
        # puts serializable_record[association].inspect
    end
  end
end