redirect back after checkout

example/convex/example.ts

@@ -1,6 +1,6 @@
 import { Polar } from "@convex-dev/polar";
 import { api, components } from "./_generated/api";
-import { QueryCtx, mutation, query, action } from "./_generated/server";
+import { QueryCtx, mutation, query } from "./_generated/server";
 import { v } from "convex/values";
 import { Id } from "./_generated/dataModel";
 
@@ -43,27 +43,8 @@ export const {
   listAllProducts,
 } = polar.api();
 
-export const { generateCustomerPortalUrl } = polar.checkoutApi();
-
-// Custom implementation of generateCheckoutLink that accepts a productKey
-export const generateCheckoutLink = action({
-  args: {
-    productIds: v.array(v.string()),
-    origin: v.string(),
-  },
-  handler: async (ctx, args) => {
-    const user = await ctx.runQuery(api.example.getCurrentUser);
-    if (!user) throw new Error("No user found");
-
-    const session = await polar.createCheckoutSession(ctx, {
-      productIds: args.productIds,
-      userId: user._id,
-      email: user.email,
-      origin: args.origin,
-    });
-    return { url: session.url };
-  },
-});
+export const { generateCustomerPortalUrl, generateCheckoutLink } =
+  polar.checkoutApi();
 
 // In a real app you'll set up authentication, we just use a
 // fake user for the example.

src/client/index.ts

@@ -95,11 +95,13 @@ export class Polar<
       userId,
       email,
       origin,
+      successUrl,
     }: {
       productIds: string[];
       userId: string;
       email: string;
       origin: string;
+      successUrl: string;
     }
   ): Promise<Checkout> {
     const dbCustomer = await ctx.runQuery(
@@ -128,6 +130,7 @@ export class Polar<
       allowDiscountCodes: true,
       customerId,
       embedOrigin: origin,
+      successUrl,
       ...(productIds.length === 1
         ? { productId: productIds[0] }
         : { products: productIds }),
@@ -275,6 +278,7 @@ export class Polar<
         args: {
           productIds: v.array(v.string()),
           origin: v.string(),
+          successUrl: v.string(),
         },
         returns: v.object({
           url: v.string(),
@@ -286,6 +290,7 @@ export class Polar<
             userId,
             email,
             origin: args.origin,
+            successUrl: args.successUrl,
           });
           return { url };
         },

src/react/index.tsx

@@ -59,6 +59,7 @@ export const CheckoutLink = ({
     void generateCheckoutLink({
       productIds,
       origin: window.location.origin,
+      successUrl: window.location.href,
     }).then(({ url }) => setCheckoutLink(url));
   }, [productIds]);