feat/sw-251 Filter hotels on select hotel page

app/[lang]/(live)/(public)/hotelreservation/(standard)/select-hotel/utils.ts

@@ -6,7 +6,10 @@ import { getLang } from "@/i18n/serverContext"
 import { ChildBedMapEnum } from "@/types/components/bookingWidget/enums"
 import type { AvailabilityInput } from "@/types/components/hotelReservation/selectHotel/availabilityInput"
 import type { HotelData } from "@/types/components/hotelReservation/selectHotel/hotelCardListingProps"
-import type { Filter } from "@/types/components/hotelReservation/selectHotel/hotelFilters"
+import type {
+  CategorizedFilters,
+  Filter,
+} from "@/types/components/hotelReservation/selectHotel/hotelFilters"
 import type { Child } from "@/types/components/hotelReservation/selectRate/selectRate"
 import {
   type PointOfInterest,
@@ -14,6 +17,15 @@ import {
   PointOfInterestGroupEnum,
 } from "@/types/hotel"
 
+const hotelSurroundingsFilterNames = [
+  "Hotel surroundings",
+  "Hotel omgivelser",
+  "Hotelumgebung",
+  "Hotellia lähellä",
+  "Hotellomgivelser",
+  "Omgivningar",
+]
+
 export async function fetchAvailableHotels(
   input: AvailabilityInput
 ): Promise<HotelData[]> {
@@ -39,7 +51,7 @@ export async function fetchAvailableHotels(
   return await Promise.all(hotels)
 }
 
-export function getFiltersFromHotels(hotels: HotelData[]) {
+export function getFiltersFromHotels(hotels: HotelData[]): CategorizedFilters {
   const filters = hotels.flatMap((hotel) => hotel.hotelData.detailedFacilities)
 
   const uniqueFilterIds = [...new Set(filters.map((filter) => filter.id))]
@@ -47,7 +59,21 @@ export function getFiltersFromHotels(hotels: HotelData[]) {
     .map((filterId) => filters.find((filter) => filter.id === filterId))
     .filter((filter): filter is Filter => filter !== undefined)
 
-  return filterList
+  return filterList.reduce<CategorizedFilters>(
+    (acc, filter) => {
+      if (filter.filter && hotelSurroundingsFilterNames.includes(filter.filter))
+        return {
+          facilityFilters: acc.facilityFilters,
+          surroundingsFilters: [...acc.surroundingsFilters, filter],
+        }
+
+      return {
+        facilityFilters: [...acc.facilityFilters, filter],
+        surroundingsFilters: acc.surroundingsFilters,
+      }
+    },
+    { facilityFilters: [], surroundingsFilters: [] }
+  )
 }
 
 export function getPointOfInterests(hotels: HotelData[]): PointOfInterest[] {