feat(payments-plugin): allow partial payments

packages/payments-plugin/e2e/graphql/admin-queries.ts

@@ -83,6 +83,8 @@ export const GET_ORDER_PAYMENTS = gql`
     query order($id: ID!) {
         order(id: $id) {
             id
+            state
+            totalWithTax
             payments {
                 id
                 transactionId

packages/payments-plugin/package.json

@@ -26,6 +26,9 @@
         "braintree": "3.x",
         "stripe": "8.x"
     },
+    "dependencies": {
+        "currency.js":"2.0.4"
+    },
     "devDependencies": {
         "@mollie/api-client": "^3.6.0",
         "@types/braintree": "^2.22.15",

packages/payments-plugin/src/mollie/mollie.handler.ts

@@ -49,7 +49,7 @@ export const molliePaymentHandler = new PaymentMethodHandler({
     createPayment: async (
         ctx,
         order,
-        amount,
+        _amount, // Don't use this amount, but the amount from the metadata
         args,
         metadata,
     ): Promise<CreatePaymentResult | CreatePaymentErrorResult> => {
@@ -60,9 +60,9 @@ export const molliePaymentHandler = new PaymentMethodHandler({
         if (metadata.status !== 'Authorized' && metadata.status !== 'Settled') {
             throw Error(`Cannot create payment for status ${metadata.status} for order ${order.code}. Only Authorized or Settled are allowed.`);
         }
-        Logger.info(`Payment for order ${order.code} created with state '${metadata.status}'`, loggerCtx);
+        Logger.info(`Payment for order ${order.code} with amount ${metadata.amount} created with state '${metadata.status}'`, loggerCtx);
         return {
-            amount,
+            amount: metadata.amount,
             state: metadata.status,
             transactionId: metadata.orderId, // The plugin now only supports 1 payment per order, so a mollie order equals a payment
             metadata, // Store all given metadata on a payment

packages/payments-plugin/src/mollie/mollie.helpers.ts

@@ -2,6 +2,7 @@ import { CreateParameters } from '@mollie/api-client/dist/types/src/binders/orde
 import { Amount } from '@mollie/api-client/dist/types/src/data/global';
 import { OrderAddress as MollieOrderAddress } from '@mollie/api-client/dist/types/src/data/orders/data';
 import { Customer, Order } from '@vendure/core';
+import currency from 'currency.js';
 
 import { OrderAddress } from './graphql/generated-shop-types';
 
@@ -79,6 +80,13 @@ export function toAmount(value: number, orderCurrency: string): Amount {
     };
 }
 
+/**
+ * Return to number of cents
+ */
+export function amountToCents(amount: Amount): number {
+    return currency(amount.value).intValue;
+}
+
 /**
  * Recalculate tax amount per order line instead of per unit for Mollie.
  * Vendure calculates tax per unit, but Mollie expects the tax to be calculated per order line (the total of the quantities).

packages/payments-plugin/src/mollie/mollie.service.ts

@@ -31,7 +31,7 @@ import {
     MolliePaymentIntentResult,
     MolliePaymentMethod,
 } from './graphql/generated-shop-types';
-import { getLocale, toAmount, toMollieAddress, toMollieOrderLines } from './mollie.helpers';
+import { amountToCents, getLocale, toAmount, toMollieAddress, toMollieOrderLines } from './mollie.helpers';
 import { MolliePluginOptions } from './mollie.plugin';
 
 interface OrderStatusInput {
@@ -219,6 +219,7 @@ export class MollieService {
         const addPaymentToOrderResult = await this.orderService.addPaymentToOrder(ctx, order.id, {
             method: paymentMethodCode,
             metadata: {
+                amount: amountToCents(mollieOrder.amount),
                 status,
                 orderId: mollieOrder.id,
                 mode: mollieOrder.mode,

yarn.lock

@@ -7431,6 +7431,11 @@ cuint@^0.2.2:
   resolved "https://registry.npmjs.org/cuint/-/cuint-0.2.2.tgz#408086d409550c2631155619e9fa7bcadc3b991b"
   integrity sha1-QICG1AlVDCYxFVYZ6fp7ytw7mRs=
 
+currency.js@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/currency.js/-/currency.js-2.0.4.tgz#a8a4d69be3b2e509bf67a560c78220bc04809cf1"
+  integrity sha512-6/OplJYgJ0RUlli74d93HJ/OsKVBi8lB1+Z6eJYS1YZzBuIp4qKKHpJ7ad+GvTlWmLR/hLJOWTykN5Nm8NJ7+w==
+
 custom-event@~1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/custom-event/-/custom-event-1.0.1.tgz#5d02a46850adf1b4a317946a3928fccb5bfd0425"