feat: setup subscriptions

packages/auth/package.json

@@ -37,6 +37,7 @@
   },
   "prettier": "@kan/prettier-config",
   "dependencies": {
-    "better-auth": "^1.2.8"
+    "@better-auth/stripe": "^1.3.7",
+    "better-auth": "^1.3.7"
   }
 }

packages/auth/src/auth.ts

@@ -1,4 +1,5 @@
 import { PutObjectCommand, S3Client } from "@aws-sdk/client-s3";
+import { stripe } from "@better-auth/stripe";
 import { betterAuth } from "better-auth";
 import { drizzleAdapter } from "better-auth/adapters/drizzle";
 import { createAuthEndpoint, createAuthMiddleware } from "better-auth/api";
@@ -153,6 +154,32 @@ export const initAuth = (db: dbClient) => {
     },
     plugins: [
       socialProvidersPlugin(),
+      ...(process.env.NEXT_PUBLIC_KAN_ENV === "cloud"
+        ? [
+            stripe({
+              stripeClient: createStripeClient(),
+              stripeWebhookSecret: process.env.STRIPE_WEBHOOK_SECRET!,
+              createCustomerOnSignUp: true,
+              subscription: {
+                enabled: true,
+                plans: [
+                  {
+                    name: "team",
+                    priceId: process.env.STRIPE_TEAM_PLAN_MONTHLY_PRICE_ID!,
+                    annualDiscountPriceId:
+                      process.env.STRIPE_TEAM_PLAN_YEARLY_PRICE_ID!,
+                  },
+                  {
+                    name: "pro",
+                    priceId: process.env.STRIPE_PRO_PLAN_MONTHLY_PRICE_ID!,
+                    annualDiscountPriceId:
+                      process.env.STRIPE_PRO_PLAN_YEARLY_PRICE_ID!,
+                  },
+                ],
+              },
+            }),
+          ]
+        : []),
       // @todo: hasing is disabled due to a bug in the api key plugin
       apiKey({ disableKeyHashing: true }),
       magicLink({

packages/auth/src/client.ts

@@ -1,5 +1,6 @@
 import type { BetterAuthClientPlugin } from "better-auth";
 import type { BetterFetchOption } from "better-auth/react";
+import { stripeClient } from "@better-auth/stripe/client";
 import {
   apiKeyClient,
   genericOAuthClient,
@@ -27,6 +28,9 @@ const socialProvidersPluginClient = {
 
 export const authClient = createAuthClient({
   plugins: [
+    stripeClient({
+      subscription: true,
+    }),
     magicLinkClient(),
     apiKeyClient(),
     genericOAuthClient(),