feat: carry over promotions toggle on exchanges (#14128)

* feat: carry over promotions toggle on exchanges

* fix: inital flag value, return the flag on preview

* fix: validation of allocation type

* fix: revert client changes

* fix: invert condition

* feat: recompute adjustments when outbound item is updated

* fix: condition again

* fix: display more accurate inbound/outbound totals for exchanges

* fix: make exchanges specs green

* feat: more testing cases

* wip: pr feedback

* fix: use plural for the flag on Admin

* fix: schema test, route refactor

* feat: tooltip

* feat: refactor to use update workflow

* feat: display applied promotion per item on order details, show copy sku on hover

* feat: refactor edits and exchanges to have common flag toggle flow

* fix: delete empty file

* fix: exchange_id param query

packages/modules/order/src/migrations/.snapshot-medusa-order.json

@@ -721,6 +721,15 @@
           "length": 6,
           "mappedType": "datetime"
         },
+        "carry_over_promotions": {
+          "name": "carry_over_promotions",
+          "type": "boolean",
+          "unsigned": false,
+          "autoincrement": false,
+          "primary": false,
+          "nullable": true,
+          "mappedType": "boolean"
+        },
         "order_id": {
           "name": "order_id",
           "type": "text",
@@ -1978,15 +1987,6 @@
           "unique": false,
           "expression": "CREATE INDEX IF NOT EXISTS \"IDX_order_item_order_id_version\" ON \"order_item\" (\"order_id\", \"version\") WHERE deleted_at IS NULL"
         },
-        {
-          "keyName": "IDX_order_item_version",
-          "columnNames": [],
-          "composite": false,
-          "constraint": false,
-          "primary": false,
-          "unique": false,
-          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_order_item_version\" ON \"order_item\" (version) WHERE deleted_at IS NULL"
-        },
         {
           "keyName": "IDX_order_item_item_id",
           "columnNames": [],

packages/modules/order/src/migrations/Migration20251125164002.ts

@@ -0,0 +1,15 @@
+import { Migration } from "@mikro-orm/migrations"
+
+export class Migration20251125164002 extends Migration {
+  override async up(): Promise<void> {
+    this.addSql(
+      `alter table if exists "order_change" add column if not exists "carry_over_promotions" boolean null;`
+    )
+  }
+
+  override async down(): Promise<void> {
+    this.addSql(
+      `alter table if exists "order_change" drop column if exists "carry_over_promotions";`
+    )
+  }
+}

packages/modules/order/src/models/order-change.ts

@@ -27,6 +27,7 @@ const _OrderChange = model
     declined_at: model.dateTime().nullable(),
     canceled_by: model.text().nullable(),
     canceled_at: model.dateTime().nullable(),
+    carry_over_promotions: model.boolean().nullable(),
     order: model.belongsTo<() => typeof Order>(() => Order, {
       mappedBy: "changes",
     }),

packages/modules/order/src/services/order-module-service.ts

@@ -3336,6 +3336,7 @@ export default class OrderModuleService
         "status",
         "description",
         "internal_note",
+        "carry_over_promotions",
       ],
       relations: [] as string[],
       order: {},