feat: add subscription update and cancel logics

packages/backend/src/helpers/billing/paddle.ee.ts

@@ -24,6 +24,7 @@ const getSubscription = async (subscriptionId: number) => {
 };
 
 const getInvoices = async (subscriptionId: number) => {
+  // TODO: iterate over previous subscriptions and include their invoices
   const data = {
     vendor_id: appConfig.paddleVendorId,
     vendor_auth_code: appConfig.paddleVendorAuthCode,

packages/backend/src/helpers/billing/plans.ee.ts

@@ -2,15 +2,14 @@ const plans = [
   {
     name: '10k - monthly',
     limit: '10,000',
+    quota: 10000,
     price: '€20',
     productId: '47384',
-  },
-  {
-    name: '30k - monthly',
-    limit: '30,000',
-    price: '€50',
-    productId: '47419',
-  },
+  }
 ];
 
+export function getPlanById(id: string) {
+  return plans.find((plan) => plan.productId === id);
+}
+
 export default plans;

packages/backend/src/helpers/billing/webhooks.ee.ts

@@ -3,7 +3,30 @@ import Subscription from '../../models/subscription.ee';
 import Billing from './index.ee';
 
 const handleSubscriptionCreated = async (request: IRequest) => {
-  await Subscription.query().insertAndFetch(formatSubscription(request));
+  const subscription = await Subscription.query().insertAndFetch(formatSubscription(request));
+  await subscription.$relatedQuery('usageData').insert(formatUsageData(request));
+};
+
+const handleSubscriptionUpdated = async (request: IRequest) => {
+  await Subscription
+    .query()
+    .findOne({
+      paddle_subscription_id: request.body.subscription_id,
+    })
+    .patch(formatSubscription(request));
+};
+
+const handleSubscriptionCancelled = async (request: IRequest) => {
+  const subscription = await Subscription
+    .query()
+    .findOne({
+      paddle_subscription_id: request.body.subscription_id,
+    })
+    .patchAndFetch(formatSubscription(request));
+
+  if (request.body.status === 'deleted') {
+    await subscription.$query().delete();
+  }
 };
 
 const handleSubscriptionPaymentSucceeded = async (request: IRequest) => {
@@ -22,6 +45,8 @@ const handleSubscriptionPaymentSucceeded = async (request: IRequest) => {
     nextBillDate: remoteSubscription.next_payment.date,
     lastBillDate: remoteSubscription.last_payment.date,
   });
+
+  await subscription.$relatedQuery('usageData').insert(formatUsageData(request));
 };
 
 const formatSubscription = (request: IRequest) => {
@@ -37,8 +62,18 @@ const formatSubscription = (request: IRequest) => {
   };
 };
 
+const formatUsageData = (request: IRequest) => {
+  return {
+    userId: JSON.parse(request.body.passthrough).id,
+    consumedTaskCount: 0,
+    nextResetAt: request.body.next_bill_date,
+  };
+};
+
 const webhooks = {
   handleSubscriptionCreated,
+  handleSubscriptionUpdated,
+  handleSubscriptionCancelled,
   handleSubscriptionPaymentSucceeded,
 };