Checkout Sessions have lower latency and new update semanticsBreaking changes

require 'json'

# Using Sinatra
post '/webhook' do
  payload = request.body.read
  event = nil

  begin
    event = Stripe::Event.construct_from(
      JSON.parse(payload, symbolize_names: true)
    )
  rescue JSON::ParserError => e
    # Invalid payload
    status 400
    return
  end

  # Handle the event
  case event.type
  when 'payment_intent.succeeded'
    payment_intent = event.data.object # contains a Stripe::PaymentIntent
    # The subscription and invoice might not have been created at this stage.
    # Then define and call a method to handle the successful payment intent.
    # handle_payment_intent_succeeded(payment_intent)
  when 'checkout_session.completed'
    checkout_session = event.data.object # contains a Stripe::CheckoutSession
    # checkout_session.payment_intent is a string here,
    # but you can use this payment_intent token to fetch the associated invoice payment
    # through the /v1/invoice_payments API method and its guaranteed associated invoice
    # and invoice payment are non-null at this stage.
    # Then define and call a method to handle the successful completion of a Checkout Session
    # handle_checkout_session_completed(checkout_session)
  # ... handle other event types
  else
    puts "Unhandled event type: #{event.type}"
  end

  status 200
end