gistfile1.txt

# A rails controller method that opens
# the Two Tap Checkout interface with a product from NastyGal.

require 'semantics3'

# Open a popup or an iframe pointing to this action.
# It will pick a random product and redirect to the
# checkout interface.
def buy_nastygal_product
  ##
  ## Semantics
  ##

  SEM_API_KEY = '#'
  SEM_API_SECRET = '#'

  # Set up a client to talk to the Semantics3 API
  sem3 = Semantics3::Products.new(SEM_API_KEY, SEM_API_SECRET)

  # Search through the nastygal catalogue and pick one random product.
  sem3.products_field('site', 'nastygal.com')
  products = sem3.get_products
  a_product = products['results'][0]

  ##
  ## Two Tap  
  ##

  # Using our public token we can start a checkout interface.
  TT_PUBLIC_TOKEN = '#'
  twotap_checkout_url = "https://checkout.twotap.com/?public_token#{TT_PUBLIC_TOKEN}&unique_token=#{rand(99999)}&callback_url=http://MY_SERVER/my_confirm_callback&product=" + a_product['url']

  redirect_to twotap_checkout_url
end

# This is called when the user presses confirm order.
def my_confirm_callback
  if params[:purchase_id].blank?
    render :nothing => true
    return
  end

  # Check that order is valid
  #
  # ....
  #

  api_call = "https://api.twotap.com/v1.0/purchase_confirm?private_token=#{TT_PRIVATE_TOKEN}"

  response = HTTParty.post(api_call, :body => 
    { :purchase_id => params[:purchase_id], :test_mode => params[:test_mode] }
  )

  render :json => response.body
end