fix(medusa): add support for order field on GET /admin/orders (#6258)

**What**
- Adds support for `order` field on `GET /admin/orders`

.changeset/little-carrots-serve.md

@@ -0,0 +1,6 @@
+---
+"@medusajs/client-types": patch
+"@medusajs/medusa": patch
+---
+
+fix(medusa): Adds support for ordering GET /admin/orders

integration-tests/api/__tests__/admin/order/order.js

@@ -78,6 +78,23 @@ describe("/admin/orders", () => {
         })
       expect(response.status).toEqual(200)
     })
+
+    it("gets orders ordered by display_id", async () => {
+      const api = useApi()
+
+      const response = await api
+        .get("/admin/orders?order=display_id", adminReqConfig)
+        .catch((err) => {
+          console.log(err)
+        })
+      expect(response.status).toEqual(200)
+
+      const sortedOrders = response.data.orders.sort((a, b) => {
+        return a.display_id - b.display_id
+      })
+
+      expect(response.data.orders).toEqual(sortedOrders)
+    })
   })
 
   describe("POST /admin/orders/:id", () => {

packages/generated/client-types/src/lib/models/AdminGetOrdersParams.ts

@@ -155,4 +155,8 @@ export interface AdminGetOrdersParams {
    * Comma-separated fields that should be included in the returned order.
    */
   fields?: string
+  /**
+   * A order field to sort-order the retrieved orders by.
+   */
+  order?: string
 }

packages/medusa/src/api/routes/admin/orders/list-orders.ts

@@ -152,6 +152,7 @@ import { cleanResponseData } from "../../../../utils/clean-response-data"
  *   - (query) limit=50 {integer} Limit the number of orders returned.
  *   - (query) expand {string} Comma-separated relations that should be expanded in the returned order.
  *   - (query) fields {string} Comma-separated fields that should be included in the returned order.
+ *   - (query) order {string} A order field to sort-order the retrieved orders by.
  * x-codegen:
  *   method: list
  *   queryParams: AdminGetOrdersParams
@@ -277,4 +278,11 @@ export class AdminGetOrdersParams extends AdminListOrdersSelector {
   @IsString()
   @IsOptional()
   fields?: string
+
+  /**
+   * The field to sort the data by. By default, the sort order is ascending. To change the order to descending, prefix the field name with `-`.
+   */
+  @IsOptional()
+  @IsString()
+  order?: string
 }