State Management & RoomPrices

- Added zustand for global state management.
- New Component - NumberSelector.
- Implement Prices API.

src/api/api-roomSearch.tsx

@@ -1,6 +1,6 @@
 import { fetcherUnwraperWithFilter } from "./backend";
 import useSWR from 'swr';
-import { AvailabilityFilter, AvailabilityRequest, RoomAvailabity } from "@/model/RoomSearch";
+import { AvailabilityFilter, AvailabilityRequest, FareFilter, FareRequest, RoomAvailabity, RoomPrice } from "@/model/RoomSearch";
 
 export function useAPIRoomAvailability(filter: AvailabilityFilter | null) {
 
@@ -15,4 +15,19 @@ export function useAPIRoomAvailability(filter: AvailabilityFilter | null) {
         isLoading,
         isError: error
     }
+}
+
+export function useAPIRoomPrices(filter: FareFilter | null) {
+
+    const request: FareRequest | null = filter ? {
+        filter: filter
+    } : null;
+
+    const { data, isLoading, error } = useSWR(request ? ['/api/search/fares', request] : null, ([url, request]) => fetcherUnwraperWithFilter<RoomPrice[]>(url, request))
+
+    return {
+        roomPriceList: data,
+        isLoading,
+        isError: error
+    }
 }