From 2270f29ec544b14c26b246a59f80be121f8014a1 Mon Sep 17 00:00:00 2001
From: "Carlos R. L. Rodrigues"
 <37986729+carlos-r-l-rodrigues@users.noreply.github.com>
Date: Wed, 2 Apr 2025 08:56:48 -0300
Subject: [PATCH] chore(link-modules): backward compatible links (#12062)

What:
 * Add `hasMany` for links that accepted that in the past. That way we don't block marketplaces to link 1 cart to multiple orders and carts with split payment.
---
 .changeset/warm-lies-stare.md                                | 5 +++++
 .../link-modules/src/definitions/cart-payment-collection.ts  | 1 +
 packages/modules/link-modules/src/definitions/order-cart.ts  | 1 +
 3 files changed, 7 insertions(+)
 create mode 100644 .changeset/warm-lies-stare.md

diff --git a/.changeset/warm-lies-stare.md b/.changeset/warm-lies-stare.md
new file mode 100644
index 0000000000..0a41f05c71
--- /dev/null
+++ b/.changeset/warm-lies-stare.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/link-modules": patch
+---
+
+chore(link-modules): backward compatible links
diff --git a/packages/modules/link-modules/src/definitions/cart-payment-collection.ts b/packages/modules/link-modules/src/definitions/cart-payment-collection.ts
index 1ed541f066..0e98867d29 100644
--- a/packages/modules/link-modules/src/definitions/cart-payment-collection.ts
+++ b/packages/modules/link-modules/src/definitions/cart-payment-collection.ts
@@ -35,6 +35,7 @@ export const CartPaymentCollection: ModuleJoinerConfig = {
       args: {
         methodSuffix: "PaymentCollections",
       },
+      hasMany: true,
     },
   ],
   extends: [
diff --git a/packages/modules/link-modules/src/definitions/order-cart.ts b/packages/modules/link-modules/src/definitions/order-cart.ts
index c2d540552f..d8d1dde3c6 100644
--- a/packages/modules/link-modules/src/definitions/order-cart.ts
+++ b/packages/modules/link-modules/src/definitions/order-cart.ts
@@ -25,6 +25,7 @@ export const OrderCart: ModuleJoinerConfig = {
       args: {
         methodSuffix: "Orders",
       },
+      hasMany: true,
     },
     {
       serviceName: Modules.CART,