gistfile1.builder

module Ramaze::Helper
  module RespondTo
    Formats = {
      'json'    => 'application/json',
      'xml'     => 'application/xml',
      'yaml'    => 'application/yaml',
      # others ..
    }

    # Hack to remove format from params
    Ramaze::Controller.before_all do
      action.params.map! {|x| x.split('.').first }
    end

    def req_format
      s = action.path.split('.')
      s.size > 1 ? s.last : nil
    end

    def respond_to(format, resp=nil, &blk)
      type = Formats[format.to_s] || 'text/html'

      if req_format == format.to_s
        respond(resp || blk.call, 200, 'Content-Type' => type)
      end
    end

  end
end

# /view/10
# or
# /view/10.json
# def view(id)
#   id #=> 10
#   not_found unless post = Post[id]
#   respond_to(:json, post.to_json)
#   respond_to(:xml, post.to_xml)
#   "default response.."
# end