adds afterpay client sample (#119)

samples/payment/InitAfterpayApmPayment.js

@@ -0,0 +1,33 @@
+const Craftgate = require('../../dist');
+
+const craftgate = new Craftgate.Client({
+  apiKey: 'api-key',
+  secretKey: 'secret-key',
+  baseUrl: 'https://sandbox-api.craftgate.io'
+});
+
+const request = {
+  apmType: Craftgate.Model.ApmType.Afterpay,
+  price: 1.0,
+  paidPrice: 1.0,
+  currency: Craftgate.Model.Currency.USD,
+  paymentGroup: Craftgate.Model.PaymentGroup.ListingOrSubscription,
+  conversationId: '456d1297-908e-4bd6-a13b-4be31a6e47d5',
+  callbackUrl: 'https://www.your-website.com/craftgate-apm-callback',
+  items: [
+    {
+      name: 'Item 1',
+      price: 0.4,
+      externalId: '123d1297-839e-4bd6-a13b-4be31a6e12a8'
+    },
+    {
+      name: 'Item 2',
+      price: 0.6,
+      externalId: '789d1297-839e-4bd6-a13b-4be31a6e13f7'
+    }
+  ]
+};
+
+craftgate.payment().initApmPayment(request)
+  .then(result => console.info('Afterpay Apm init payment successful', result))
+  .catch(err => console.error('Failed to init Afterpay Apm payment', err));

src/model/ApmType.ts

@@ -4,6 +4,7 @@ enum ApmType {
   Sodexo = 'SODEXO',
   Edenred = 'EDENRED',
   PayPal = 'PAYPAL',
+  Afterpay = 'AFTERPAY',
   FundTransfer = 'FUND_TRANSFER',
   CashOnDelivery = 'CASH_ON_DELIVERY'
 }