From 927ec86116b36f9e77e24ff54dddcd79c3bbe386 Mon Sep 17 00:00:00 2001
From: Travis Fischer <fisch0920@gmail.com>
Date: Wed, 18 Jun 2025 06:21:38 +0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=91=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../marketplace-project-index.tsx             | 52 ++++++++++++++++---
 readme.md                                     |  7 ++-
 2 files changed, 48 insertions(+), 11 deletions(-)

diff --git a/apps/web/src/app/marketplace/projects/[namespace]/[project-name]/marketplace-project-index.tsx b/apps/web/src/app/marketplace/projects/[namespace]/[project-name]/marketplace-project-index.tsx
index 72cac1e3..ad1b1db7 100644
--- a/apps/web/src/app/marketplace/projects/[namespace]/[project-name]/marketplace-project-index.tsx
+++ b/apps/web/src/app/marketplace/projects/[namespace]/[project-name]/marketplace-project-index.tsx
@@ -1,9 +1,8 @@
 'use client'
 
-import { assert, omit } from '@agentic/platform-core'
-import { redirect } from 'next/navigation'
-import { useCallback, useEffect } from 'react'
-import { useSearchParam } from 'react-use'
+import { assert, omit, sanitizeSearchParams } from '@agentic/platform-core'
+import { redirect, useSearchParams } from 'next/navigation'
+import { useCallback, useEffect, useRef } from 'react'
 
 import { useAgentic } from '@/components/agentic-provider'
 import { LoadingIndicator } from '@/components/loading-indicator'
@@ -17,7 +16,10 @@ export function MarketplaceProjectIndex({
   projectIdentifier: string
 }) {
   const ctx = useAgentic()
-  const checkoutStatus = useSearchParam('checkout')
+  const searchParams = useSearchParams()
+  const checkout = searchParams.get('checkout')
+  const plan = searchParams.get('plan')
+
   const {
     data: project,
     isLoading,
@@ -34,6 +36,7 @@ export function MarketplaceProjectIndex({
 
   const onSubscribe = useCallback(
     async (pricingPlanSlug: string) => {
+      assert(ctx, 500, 'Agentic context is required')
       assert(project, 500, 'Project is required')
       const { lastPublishedDeploymentId } = project
       assert(
@@ -42,6 +45,14 @@ export function MarketplaceProjectIndex({
         `Public project "${projectIdentifier}" expected to have a last published deployment, but none found.`
       )
 
+      if (!ctx.isAuthenticated) {
+        return redirect(
+          `/signup?${sanitizeSearchParams({
+            next: `/marketplace/projects/${projectIdentifier}?checkout=true&plan=${pricingPlanSlug}`
+          }).toString()}`
+        )
+      }
+
       let checkoutSession: { url: string; id: string } | undefined
 
       try {
@@ -61,11 +72,38 @@ export function MarketplaceProjectIndex({
     [ctx, projectIdentifier, project]
   )
 
+  const hasInitializedCheckoutFromSearchParams = useRef(false)
+
   useEffect(() => {
-    if (ctx && checkoutStatus === 'canceled') {
+    if (!ctx) return
+
+    if (checkout === 'canceled') {
       toast('Checkout canceled')
+    } else if (
+      checkout === 'true' &&
+      plan &&
+      project &&
+      !hasInitializedCheckoutFromSearchParams.current
+    ) {
+      hasInitializedCheckoutFromSearchParams.current = true
+
+      // Start checkout flow if search params have `?checkout=true&plan={plan}`
+      // This is to allow unauthenticated users to subscribe to a plan by first
+      // visiting `/login` or `/signup` and then being redirected to this page
+      // with the target checkout search params already pre-filled.
+      // Another use case for this functionality is providing a single link to
+      // subscribe to a specific project and pricing plan – with the checkout
+      // details pre-filled.
+      void onSubscribe(checkout)
     }
-  }, [checkoutStatus, ctx])
+  }, [
+    checkout,
+    plan,
+    ctx,
+    project,
+    onSubscribe,
+    hasInitializedCheckoutFromSearchParams
+  ])
 
   return (
     <section>
diff --git a/readme.md b/readme.md
index d8eb0fb5..a5e26433 100644
--- a/readme.md
+++ b/readme.md
@@ -19,10 +19,9 @@
     - if user is subscribed to a plan, show that plan as selected
     - handle unauthenticated checkout flow => auth and then redirect to create a checkout session
     - will need a `redirect` url for `/login` and `/signup`
-    - `/marketplace/projects/@{projectIdentifier}/checkout?plan={plan}`
-- stripe
-  - stripe checkout
-  - stripe billing portal
+    - `/marketplace/projects/@{projectIdentifier}?checkout=true&plan={plan}`
+    - stripe checkout
+    - stripe billing portal
 - **API gateway**
   - oauth flow
     - https://docs.scalekit.com/guides/mcp/oauth