Getting started with the DotDashPay Node SDK (payment and identification)

ddp-node-example-payment-identify.js

var util = require("util")
var ddp = require("dotdashpay")

ddp.platform.initialize({
  // We are now using real payment hardware (e.g. a Kiosk III)
  environment: "PROCESSOR_SIMULATOR"
}).onInitialized(data => {
  console.log("initialized")
  processPayment(500)
}).onInitializeError(err => {
  console.error(err, "Error initializing DDP")
})
function processPayment(amountInCents) {
  console.log("processing a payment for: ", amountInCents)
  ddp.payment.listenForInteractionThenSettle({
    amount: amountInCents,
    currency: "USD",
    // a key difference here is telling DDP to get customer information from
    // transactions originating from a mobile wallet. If no loyalty pass is
    // found, a push notification will be sent that can trigger the enrollment
    // flow.
    transactionMode: "IDENTIFY_AND_PAYMENT"
  })
    .onStartedInteraction(res => {
      printResult("onStartedInteraction")(res)
    })
    .onGotInteraction(res => {
      printResult("onGotInteraction")(res)
      if (res.customerProfile && res.customerProfile.id) {
        console.log(`Hello, ${res.customerProfile.fullName}`)
      }
     })
    .onStartedSettling(printResult("onStartedSettling"))
    .onSettled(res => {
      printResult("onSettled")(res)
      // Here we fetch the full transaction chain, which will include details of
      // every step of the transaction the just settled.
      ddp.payment.getTransaction({transactionChainId: res.transactionChainId})
        .onGotTransaction(res => {
          printResult("onGetTransaction")(res)
          if (res.interaction.response.customerProfile &&
              res.interaction.response.customerProfile.id) {
            console.log(`Thanks for shopping with us ${res.interaction.response.customerProfile.fullName}!`)
          }
          ddp.close()
        }).onGetTransactionError(err => {
          printResult("onGetTransactionError")(err)
          ddp.close()
        })
    })
    .onListenForInteractionError(printResult("onListenForInteractionError"))
    .onSettleError(printResult("onSettleError"))
}

function printResult(step) {
  return result => {
    console.log(step, "result: ", util.inspect(result, {
      depth: 8
    }, 4))
  }
}