padrino/sinatra RESTful JSON example

base.rb

  # ---------------------------------------------------------------------
  # User Demographics
  # ---------------------------------------------------------------------
  get :user, :map => '/user', :with => :id, :provides => :json do
    _user = Auth[:userid => params[:id]]
    user  = Hash.new

    user[:userid]    = _user.userid
    user[:firstname] = _user.firstname
    user[:lastname]  = _user.lastname
    user[:username]  = _user.username

    user.to_json
  end

  post :user, :map => '/user', :with => :id do
    user = Auth[:userid => params[:id]]
    json = JSON.parse(env['rack.input'].gets).symbolize_keys

    user.update(json)

    200
  end