feat: prevent users from selecting the same room when there is no vacancy for it

apps/scandic-web/utils/sort.ts

@@ -0,0 +1,14 @@
+import { AvailabilityEnum } from "@/types/components/hotelReservation/selectHotel/selectHotel"
+import type { RoomConfiguration } from "@/types/trpc/routers/hotel/roomAvailability"
+
+// Used to ensure `Available` rooms
+// are shown before all `NotAvailable`
+const statusLookup = {
+  [AvailabilityEnum.Available]: 1,
+  [AvailabilityEnum.NotAvailable]: 2,
+}
+
+export function sortRoomConfigs(a: RoomConfiguration, b: RoomConfiguration) {
+  // @ts-expect-error - array indexing
+  return statusLookup[a.status] - statusLookup[b.status]
+}