Merged in chore/regular-price-tests (pull request #3075)

chore: Add tests for regular price calculations

* Add tests for calculateRegularPrice

* Add tests for getRegularPrice

* Add multiroom test


Approved-by: Joakim Jäderberg
Approved-by: Linus Flood

packages/booking-flow/lib/stores/enter-details/helpers.ts

@@ -12,7 +12,6 @@ import type { BreakfastPackage } from "@scandic-hotels/trpc/routers/hotels/schem
 import type { Packages } from "@scandic-hotels/trpc/types/packages"
 import type {
   CorporateChequeProduct,
-  PriceProduct,
   Product,
 } from "@scandic-hotels/trpc/types/roomAvailability"
 import type { User } from "@scandic-hotels/trpc/types/user"
@@ -456,12 +455,16 @@ export function getVoucherPrice(rooms: PriceCalculationRoom[], nights: number) {
 type PriceCalculationRoom = {
   adults: number
   breakfast:
-    | { localPrice: { price: number; currency?: CurrencyEnum } }
+    | {
+        localPrice: { price: number; currency?: CurrencyEnum }
+        requestedPrice?: { price: number; currency?: CurrencyEnum }
+      }
     | false
     | undefined
   roomFeatures:
     | {
         localPrice: { totalPrice: number; currency?: CurrencyEnum }
+        requestedPrice: { totalPrice: number; currency?: CurrencyEnum }
       }[]
     | null
     | undefined
@@ -518,14 +521,45 @@ export function getRedemptionPrice(
     )
 }
 
-interface TRoomPriceProduct extends TRoom {
-  roomRate: PriceProduct
+type RegularPriceCalculationRoom = PriceCalculationRoom & {
+  guest: {
+    join: boolean
+    membershipNo?: string | null
+  }
+}
+type RegularRoomLocalPrice = {
+  price: number
+  currency: CurrencyEnum
+  pricePerStay: number
+  pricePerNight: number
+  regularPricePerStay: number
+}
+type RegularRoomRequestedPrice = {
+  price: number
+  currency: CurrencyEnum
+  pricePerStay: number
+}
+type GetRegularPriceRoom = RegularPriceCalculationRoom & {
+  roomRate: {
+    member: {
+      localPrice: RegularRoomLocalPrice
+      requestedPrice: RegularRoomRequestedPrice
+    }
+    public: {
+      localPrice: RegularRoomLocalPrice
+      requestedPrice: RegularRoomRequestedPrice
+    }
+  }
 }
 
-function getRegularPrice(rooms: TRoom[], isMember: boolean, nights: number) {
+export function getRegularPrice(
+  rooms: RegularPriceCalculationRoom[],
+  isMember: boolean,
+  nights: number
+) {
   const totalPrice = rooms
     .filter(
-      (room): room is TRoomPriceProduct =>
+      (room): room is GetRegularPriceRoom =>
         "member" in room.roomRate || "public" in room.roomRate
     )
     .reduce<Price>(