From 6bd11009a8e7231bdd2b6f1eda84caf411770851 Mon Sep 17 00:00:00 2001
From: sean-brydon <55134778+sean-brydon@users.noreply.github.com>
Date: Wed, 26 Mar 2025 22:51:10 +0000
Subject: [PATCH] allow promotion codes (#20387)

Co-authored-by: Peer Richelsen <peeroke@gmail.com>
---
 packages/features/ee/billing/billing-service.ts      |  1 +
 .../features/ee/billing/stripe-billling-service.ts   | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/features/ee/billing/billing-service.ts b/packages/features/ee/billing/billing-service.ts
index ebbbd9d2d1..745d3c7c2a 100644
--- a/packages/features/ee/billing/billing-service.ts
+++ b/packages/features/ee/billing/billing-service.ts
@@ -30,6 +30,7 @@ export interface BillingService {
     quantity: number;
     metadata?: Record<string, string | number>;
     mode?: "subscription" | "setup" | "payment";
+    allowPromotionCodes?: boolean;
   }): Promise<{ checkoutUrl: string | null; sessionId: string }>;
 
   // Price management
diff --git a/packages/features/ee/billing/stripe-billling-service.ts b/packages/features/ee/billing/stripe-billling-service.ts
index b9d621a32f..953b9a14e2 100644
--- a/packages/features/ee/billing/stripe-billling-service.ts
+++ b/packages/features/ee/billing/stripe-billling-service.ts
@@ -41,7 +41,16 @@ export class StripeBillingService implements BillingService {
   }
 
   async createSubscriptionCheckout(args: Parameters<BillingService["createSubscriptionCheckout"]>[0]) {
-    const { customerId, successUrl, cancelUrl, priceId, quantity, metadata, mode = "subscription" } = args;
+    const {
+      customerId,
+      successUrl,
+      cancelUrl,
+      priceId,
+      quantity,
+      metadata,
+      mode = "subscription",
+      allowPromotionCodes = true,
+    } = args;
 
     const session = await this.stripe.checkout.sessions.create({
       customer: customerId,
@@ -55,6 +64,7 @@ export class StripeBillingService implements BillingService {
           quantity,
         },
       ],
+      allow_promotion_codes: allowPromotionCodes,
     });
 
     return {