Merged in feat/SW-874-show-correct-rooms (pull request #883)

Feat/SW-874 show correct rooms

Approved-by: Niclas Edenvin

components/HotelReservation/SelectRate/RoomSelection/FlexibilityOption/index.tsx

@@ -56,7 +56,7 @@ export default function FlexibilityOption({
       priceName: name,
       public: publicPrice,
       member: memberPrice,
-      features,
+      features: petRoomPackage ? features : [],
     }
     handleSelectRate(rate)
   }

components/HotelReservation/SelectRate/Rooms/index.tsx

@@ -2,10 +2,9 @@
 
 import { useCallback, useState } from "react"
 
-import { RoomsAvailability } from "@/server/routers/hotels/output"
-
 import RoomFilter from "../RoomFilter"
 import RoomSelection from "../RoomSelection"
+import { filterDuplicateRoomTypesByLowestPrice } from "./utils"
 
 import styles from "./rooms.module.css"
 
@@ -14,6 +13,10 @@ import {
   type RoomPackageCodes,
 } from "@/types/components/hotelReservation/selectRate/roomFilter"
 import type { RoomSelectionProps } from "@/types/components/hotelReservation/selectRate/roomSelection"
+import type {
+  RoomConfiguration,
+  RoomsAvailability,
+} from "@/server/routers/hotels/output"
 
 export default function Rooms({
   roomsAvailability,
@@ -21,10 +24,12 @@ export default function Rooms({
   user,
   packages,
 }: Omit<RoomSelectionProps, "selectedPackages">) {
-  const defaultRooms = roomsAvailability.roomConfigurations
+  const visibleRooms: RoomConfiguration[] =
+    filterDuplicateRoomTypesByLowestPrice(roomsAvailability.roomConfigurations)
+
   const [rooms, setRooms] = useState<RoomsAvailability>({
     ...roomsAvailability,
-    roomConfigurations: defaultRooms,
+    roomConfigurations: visibleRooms,
   })
   const [selectedPackages, setSelectedPackages] = useState<RoomPackageCodes[]>(
     []
@@ -41,20 +46,19 @@ export default function Rooms({
       if (filteredPackages.length === 0) {
         setRooms({
           ...roomsAvailability,
-          roomConfigurations: defaultRooms,
+          roomConfigurations: visibleRooms,
         })
         return
       }
 
-      const filteredRooms = roomsAvailability.roomConfigurations.filter(
-        (room) =>
-          filteredPackages.every((filteredPackage) =>
-            room.features.some((feature) => feature.code === filteredPackage)
-          )
+      const filteredRooms = visibleRooms.filter((room) =>
+        filteredPackages.every((filteredPackage) =>
+          room.features.some((feature) => feature.code === filteredPackage)
+        )
       )
       setRooms({ ...roomsAvailability, roomConfigurations: filteredRooms })
     },
-    [roomsAvailability, defaultRooms]
+    [roomsAvailability, visibleRooms]
   )
 
   return (

components/HotelReservation/SelectRate/Rooms/utils.ts

@@ -0,0 +1,102 @@
+import { RoomConfiguration } from "@/server/routers/hotels/output"
+
+/**
+ * Get the lowest priced room for each room type that appears more than once.
+ */
+
+export function filterDuplicateRoomTypesByLowestPrice(
+  roomConfigurations: RoomConfiguration[]
+) {
+  const roomTypeCount = roomConfigurations.reduce(
+    (acc, room) => {
+      acc[room.roomType] = (acc[room.roomType] || 0) + 1
+      return acc
+    },
+    {} as Record<string, number>
+  )
+
+  const duplicateRoomTypes = new Set(
+    Object.keys(roomTypeCount).filter((roomType) => roomTypeCount[roomType] > 1)
+  )
+
+  const roomMap = new Map()
+
+  roomConfigurations.forEach((room) => {
+    const { roomType, products } = room
+
+    if (!duplicateRoomTypes.has(roomType)) {
+      roomMap.set(roomType, room)
+      return
+    }
+
+    products.forEach((product) => {
+      const { productType } = product
+      const publicProduct = productType.public
+      const memberProduct = productType.member || {
+        requestedPrice: null,
+        localPrice: null,
+      }
+
+      const {
+        requestedPrice: publicRequestedPrice,
+        localPrice: publicLocalPrice,
+      } = publicProduct
+      const {
+        requestedPrice: memberRequestedPrice,
+        localPrice: memberLocalPrice,
+      } = memberProduct
+
+      const previousLowest = roomMap.get(roomType)
+
+      const currentRequestedPrice = Math.min(
+        Number(publicRequestedPrice.pricePerNight) ?? Infinity,
+        Number(memberRequestedPrice?.pricePerNight) ?? Infinity
+      )
+      const currentLocalPrice = Math.min(
+        Number(publicLocalPrice.pricePerNight) ?? Infinity,
+        Number(memberLocalPrice?.pricePerNight) ?? Infinity
+      )
+
+      if (
+        !previousLowest ||
+        currentRequestedPrice <
+          Math.min(
+            Number(
+              previousLowest.products[0].productType.public.requestedPrice
+                .pricePerNight
+            ) ?? Infinity,
+            Number(
+              previousLowest.products[0].productType.member?.requestedPrice
+                ?.pricePerNight
+            ) ?? Infinity
+          ) ||
+        (currentRequestedPrice ===
+          Math.min(
+            Number(
+              previousLowest.products[0].productType.public.requestedPrice
+                .pricePerNight
+            ) ?? Infinity,
+            Number(
+              previousLowest.products[0].productType.member?.requestedPrice
+                ?.pricePerNight
+            ) ?? Infinity
+          ) &&
+          currentLocalPrice <
+            Math.min(
+              Number(
+                previousLowest.products[0].productType.public.localPrice
+                  .pricePerNight
+              ) ?? Infinity,
+              Number(
+                previousLowest.products[0].productType.member?.localPrice
+                  ?.pricePerNight
+              ) ?? Infinity
+            ))
+      ) {
+        roomMap.set(roomType, room)
+      }
+    })
+  })
+
+  return Array.from(roomMap.values())
+}