chore(core-flows): return fulfillment link (#8304)

packages/modules/link-modules/src/definitions/index.ts

@@ -6,6 +6,7 @@ export * from "./order-cart"
 export * from "./order-fulfillment"
 export * from "./order-payment-collection"
 export * from "./order-promotion"
+export * from "./order-return-fulfillment"
 export * from "./product-sales-channel"
 export * from "./product-variant-inventory-item"
 export * from "./product-variant-price-set"

packages/modules/link-modules/src/definitions/order-return-fulfillment.ts

@@ -0,0 +1,67 @@
+import { ModuleJoinerConfig } from "@medusajs/types"
+import { LINKS, Modules } from "@medusajs/utils"
+
+export const ReturnFulfillment: ModuleJoinerConfig = {
+  serviceName: LINKS.ReturnFulfillment,
+  isLink: true,
+  databaseConfig: {
+    tableName: "return_fulfillment",
+    idPrefix: "retful",
+  },
+  alias: [
+    {
+      name: ["return_fulfillment", "return_fulfillments"],
+      args: {
+        entity: "LinkReturnFulfillment",
+      },
+    },
+  ],
+  primaryKeys: ["id", "return_id", "fulfillment_id"],
+  relationships: [
+    {
+      serviceName: Modules.ORDER,
+      primaryKey: "id",
+      foreignKey: "return_id",
+      alias: "return",
+      args: {
+        methodSuffix: "Returns",
+      },
+    },
+    {
+      serviceName: Modules.FULFILLMENT,
+      primaryKey: "id",
+      foreignKey: "fulfillment_id",
+      alias: "fulfillments",
+      args: {
+        methodSuffix: "Fulfillments",
+      },
+    },
+  ],
+  extends: [
+    {
+      serviceName: Modules.ORDER,
+      fieldAlias: {
+        return_fulfillments: {
+          path: "return_fulfillment_link.fulfillments",
+          isList: true,
+        },
+      },
+      relationship: {
+        serviceName: LINKS.OrderFulfillment,
+        primaryKey: "return_id",
+        foreignKey: "id",
+        alias: "return_fulfillment_link",
+        isList: true,
+      },
+    },
+    {
+      serviceName: Modules.FULFILLMENT,
+      relationship: {
+        serviceName: LINKS.OrderFulfillment,
+        primaryKey: "fulfillment_id",
+        foreignKey: "id",
+        alias: "return_link",
+      },
+    },
+  ],
+}