Create & pay a NetSuite invoice using Stripe Checkout and http://SuiteSync.io/

create_paid_netsuite_invoice_with_stripe.rb

# Michael Bianco <mike@suitesync.io>
# Description: Example of creating and paying a NetSuite invoice using Stripe

# Usage:
#
#   export STRIPE_KEY=sk_test STRIPE_PUBLIC_KEY=pk_test_
#   gem install sinatra stripe pry
#   ruby create_paid_netsuite_invoice_with_stripe.rb
#   open http://localhost:4567

require 'sinatra'
require 'stripe'

require 'pry'

Stripe.api_key = ENV['STRIPE_KEY']
STRIPE_PUBLIC_KEY = ENV['STRIPE_PUBLIC_KEY']

NETSUITE_SERVICE_SALE_ITEM_ID = 384208

template :index do
  <<EOL
  <form action="/pay" method="POST">
    <script
      src="https://checkout.stripe.com/checkout.js" class="stripe-button"
      data-key="<%= STRIPE_PUBLIC_KEY %>"
      data-amount="100"
      data-name="Service Purchase"
      <%# data-billing-address="true" %>
      data-email="purchase@example.com"
      data-label="Pay Invoice"
      data-locale="auto">
    </script>
  </form>
EOL
end

get '/' do
  erb :index
end

post '/pay' do
  customer = Stripe::Customer.create(
    description: params[:stripeBillingName],
    email: params[:stripeEmail],

    metadata: {
      # NOTE there is where you can link this Stripe customer to a pre-existing NetSuite customer
      #      https://dashboard.suitesync.io/docs/field-customization#using-existing-records-or-existing-integrations
      # netsuite_customer_id: 123

      # alternatively, you can let SuiteSync create the customer for you and pass over any unique data about the customer
      # netsuite_web_address: "http://stripe.com"
    }
  )

  customer.sources.create(card: params[:stripeToken])

  invoice_item = Stripe::InvoiceItem.create({
    customer: customer.id,
    amount: 200_00,
    currency: "usd",
    description: "A great service",
    metadata: {
      # NOTE to avoid creating new items in NetSuite, link the line item to an existing NetSuite item
      # https://dashboard.suitesync.io/docs/field-customization#using-existing-records-or-existing-integrations
      netsuite_service_sale_item_id: NETSUITE_SERVICE_SALE_ITEM_ID
    }
  })

  invoice = Stripe::Invoice.create(customer: customer.id)
  invoice.pay

  redirect "https://dashboard.stripe.com/test/charges/#{invoice.charge}"
end