fix(dashboard): allocation UI for orders with more than 20 reservation items (#12989)

packages/admin/dashboard/src/lib/orders.ts

@@ -1,4 +1,4 @@
-import { HttpTypes } from "@medusajs/types"
+import { AdminOrder, AdminOrderLineItem, HttpTypes } from "@medusajs/types"
 
 export const getPaymentsFromOrder = (order: HttpTypes.AdminOrder) => {
   return order.payment_collections
@@ -6,3 +6,18 @@ export const getPaymentsFromOrder = (order: HttpTypes.AdminOrder) => {
     .flat(1)
     .filter(Boolean) as HttpTypes.AdminPayment[]
 }
+
+/**
+ * Returns a limit for number of reservations that order can have.
+ */
+export function getReservationsLimitCount(order: AdminOrder) {
+  if (!order?.items?.length) {
+    return 0
+  }
+
+  return order.items.reduce(
+    (acc: number, item: AdminOrderLineItem) =>
+      acc + (item.variant?.inventory_items?.length || 1),
+    0
+  )
+}