feat(medusa, link-modules): sales channel <> order link (#5810)

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

@@ -4,3 +4,4 @@ export * from "./product-variant-price-set"
 export * from "./product-shipping-profile"
 export * from "./product-sales-channel"
 export * from "./cart-sales-channel"
+export * from "./order-sales-channel"

packages/link-modules/src/definitions/order-sales-channel.ts

@@ -0,0 +1,66 @@
+import { ModuleJoinerConfig } from "@medusajs/types"
+
+import { LINKS } from "../links"
+
+export const OrderSalesChannel: ModuleJoinerConfig = {
+  serviceName: LINKS.OrderSalesChannel,
+  isLink: true,
+  databaseConfig: {
+    tableName: "order_sales_channel",
+    idPrefix: "ordersc",
+  },
+  alias: [
+    {
+      name: "order_sales_channel",
+    },
+    {
+      name: "order_sales_channels",
+    },
+  ],
+  primaryKeys: ["id", "order_id", "sales_channel_id"],
+  relationships: [
+    {
+      serviceName: "orderService",
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "order_id",
+      alias: "order",
+    },
+    {
+      serviceName: "salesChannelService",
+      isInternalService: true,
+      primaryKey: "id",
+      foreignKey: "sales_channel_id",
+      alias: "sales_channel",
+    },
+  ],
+  extends: [
+    {
+      serviceName: "orderService",
+      fieldAlias: {
+        sales_channel: "sales_channel_link.sales_channel",
+      },
+      relationship: {
+        serviceName: LINKS.OrderSalesChannel,
+        isInternalService: true,
+        primaryKey: "order_id",
+        foreignKey: "id",
+        alias: "sales_channel_link",
+      },
+    },
+    {
+      serviceName: "salesChannelService",
+      fieldAlias: {
+        orders: "order_link.order",
+      },
+      relationship: {
+        serviceName: LINKS.OrderSalesChannel,
+        isInternalService: true,
+        primaryKey: "sales_channel_id",
+        foreignKey: "id",
+        alias: "order_link",
+        isList: true,
+      },
+    },
+  ],
+}