feat: extract stripe provider

packages/commerce-server/src/providers/default-payment-options.ts

@@ -1,5 +1,3 @@
-import {getStripeSdk} from '@skillrecordings/stripe-sdk'
-import {first} from 'lodash'
 import Stripe from 'stripe'
 import {z} from 'zod'
 
@@ -8,14 +6,14 @@ type StripeConfig = {
   apiVersion: '2020-08-27'
 }
 
-const PurchaseMetadata = z.object({
+export const PurchaseMetadata = z.object({
   country: z.string().optional(),
   appliedPPPStripeCouponId: z.string().optional(), // TODO: make this provider agnostic
   upgradedFromPurchaseId: z.string().optional(),
   usedCouponId: z.string().optional(),
 })
 
-const PurchaseInfoSchema = z.object({
+export const PurchaseInfoSchema = z.object({
   customerIdentifier: z.string(),
   email: z.string().nullable(),
   name: z.string().nullable(),
@@ -44,7 +42,7 @@ type StripeProvider = {
   name: 'stripe'
   paymentClient: Stripe
 } & PaymentProviderFunctionality
-type StripeProviderFunction = (
+export type StripeProviderFunction = (
   options: StripeConfig | {defaultStripeClient: Stripe},
 ) => StripeProvider
 
@@ -63,63 +61,6 @@ export type PaymentOptions = {
   }
 }
 
-// TODO: this should have a shared PaymentProvider type that all providers conform to
-// TODO: this can eventually move to it's own Stripe module in `providers/`
-export const StripeProvider: StripeProviderFunction = (config) => {
-  const stripeClient =
-    'defaultStripeClient' in config
-      ? config.defaultStripeClient
-      : new Stripe(config.stripeSecretKey, {
-          apiVersion: config.apiVersion,
-        })
-
-  const getStripePurchaseInfo = async (checkoutSessionId: string) => {
-    const {getCheckoutSession} = getStripeSdk({ctx: {stripe: stripeClient}})
-
-    const checkoutSession = await getCheckoutSession(checkoutSessionId)
-
-    const {customer, line_items, payment_intent, metadata} = checkoutSession
-    const {email, name, id: stripeCustomerId} = customer as Stripe.Customer
-    const lineItem = first(line_items?.data) as Stripe.LineItem
-    const stripePrice = lineItem.price
-    const quantity = lineItem.quantity || 1
-    const stripeProduct = stripePrice?.product as Stripe.Product
-    const {charges} = payment_intent as Stripe.PaymentIntent
-    const stripeCharge = first<Stripe.Charge>(charges.data)
-    const stripeChargeId = stripeCharge?.id as string
-    const stripeChargeAmount = stripeCharge?.amount || 0
-
-    // extract MerchantCoupon identifier if used for purchase
-    const discount = first(lineItem.discounts)
-    const stripeCouponId = discount?.discount.coupon.id
-
-    const parsedMetadata = metadata
-      ? PurchaseMetadata.parse(metadata)
-      : undefined
-
-    const info: PurchaseInfo = {
-      customerIdentifier: stripeCustomerId,
-      email,
-      name,
-      productIdentifier: stripeProduct.id,
-      product: stripeProduct,
-      chargeIdentifier: stripeChargeId,
-      couponIdentifier: stripeCouponId,
-      quantity,
-      chargeAmount: stripeChargeAmount,
-      metadata: parsedMetadata,
-    }
-
-    return PurchaseInfoSchema.parse(info)
-  }
-
-  return {
-    name: 'stripe',
-    paymentClient: stripeClient,
-    getPurchaseInfo: getStripePurchaseInfo,
-  }
-}
-
 // Two concepts for the providers:
 // 1. We have the Payment Provider Functions (factories?) that take a few config values
 // 2. We have the Payment Provider Options which are the resulting object of the above function

packages/commerce-server/src/providers/stripe-provider.ts

@@ -0,0 +1,64 @@
+import {getStripeSdk} from '@skillrecordings/stripe-sdk'
+import {first} from 'lodash'
+import Stripe from 'stripe'
+import {
+  StripeProviderFunction,
+  PurchaseMetadata,
+  PurchaseInfo,
+  PurchaseInfoSchema,
+} from './default-payment-options'
+
+export const StripeProvider: StripeProviderFunction = (config) => {
+  const stripeClient =
+    'defaultStripeClient' in config
+      ? config.defaultStripeClient
+      : new Stripe(config.stripeSecretKey, {
+          apiVersion: config.apiVersion,
+        })
+
+  const getStripePurchaseInfo = async (checkoutSessionId: string) => {
+    const {getCheckoutSession} = getStripeSdk({ctx: {stripe: stripeClient}})
+
+    const checkoutSession = await getCheckoutSession(checkoutSessionId)
+
+    const {customer, line_items, payment_intent, metadata} = checkoutSession
+    const {email, name, id: stripeCustomerId} = customer as Stripe.Customer
+    const lineItem = first(line_items?.data) as Stripe.LineItem
+    const stripePrice = lineItem.price
+    const quantity = lineItem.quantity || 1
+    const stripeProduct = stripePrice?.product as Stripe.Product
+    const {charges} = payment_intent as Stripe.PaymentIntent
+    const stripeCharge = first<Stripe.Charge>(charges.data)
+    const stripeChargeId = stripeCharge?.id as string
+    const stripeChargeAmount = stripeCharge?.amount || 0
+
+    // extract MerchantCoupon identifier if used for purchase
+    const discount = first(lineItem.discounts)
+    const stripeCouponId = discount?.discount.coupon.id
+
+    const parsedMetadata = metadata
+      ? PurchaseMetadata.parse(metadata)
+      : undefined
+
+    const info: PurchaseInfo = {
+      customerIdentifier: stripeCustomerId,
+      email,
+      name,
+      productIdentifier: stripeProduct.id,
+      product: stripeProduct,
+      chargeIdentifier: stripeChargeId,
+      couponIdentifier: stripeCouponId,
+      quantity,
+      chargeAmount: stripeChargeAmount,
+      metadata: parsedMetadata,
+    }
+
+    return PurchaseInfoSchema.parse(info)
+  }
+
+  return {
+    name: 'stripe',
+    paymentClient: stripeClient,
+    getPurchaseInfo: getStripePurchaseInfo,
+  }
+}