Merged in chore/add-tests-for-getCorporateChequePrice (pull request #3114)

chore: Add tests for getCorporateChequePrice

* Add tests for getRequestedAdditionalPrice

* simplify types

* Add tests for getCorporateChequePrice


Approved-by: Joakim Jäderberg

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

@@ -1,11 +1,14 @@
 import { describe, expect, it } from "vitest"
 
 import { CurrencyEnum } from "@scandic-hotels/common/constants/currency"
+import { RoomPackageCodeEnum } from "@scandic-hotels/trpc/enums/roomFilter"
 
 import {
   getAdditionalPrice,
+  getCorporateChequePrice,
   getRedemptionPrice,
   getRegularPrice,
+  getRequestedAdditionalPrice,
   getVoucherPrice,
 } from "./helpers"
 
@@ -137,6 +140,900 @@ describe("getAdditionalPrice", () => {
   })
 })
 
+type GetRequestedAdditionalPriceParams = Parameters<
+  typeof getRequestedAdditionalPrice
+>
+describe("getRequestedAdditionalPrice", () => {
+  it("should initialize requested object when missing and add cheques to price", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = null
+    const cheques = 5
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested).toEqual({
+      currency: CurrencyEnum.CC,
+      price: 5,
+      additionalPrice: 0,
+    })
+  })
+
+  it("should add to existing requested price", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+      requested: {
+        currency: CurrencyEnum.CC,
+        price: 10,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = null
+    const cheques = 5
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.price).toBe(15)
+  })
+
+  it("should calculate additional price with only additionalPrice parameter", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 50
+    const additionalPriceCurrency = CurrencyEnum.EUR
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested).toEqual({
+      currency: CurrencyEnum.CC,
+      price: 0,
+      additionalPrice: 50,
+      additionalPriceCurrency: CurrencyEnum.EUR,
+    })
+  })
+
+  it("should calculate additional price with breakfast", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 2
+    const nights = 3
+    const breakfast = {
+      requestedPrice: {
+        price: 10,
+        currency: CurrencyEnum.EUR,
+      },
+    }
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPrice).toBe(60)
+  })
+
+  it("should calculate additional price with packages", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = [
+      {
+        code: RoomPackageCodeEnum.PET_ROOM,
+        description: "Package 1",
+        localPrice: {
+          totalPrice: 100,
+          currency: CurrencyEnum.SEK,
+          price: 100,
+        },
+        requestedPrice: {
+          totalPrice: 25,
+          currency: CurrencyEnum.EUR,
+          price: 25,
+        },
+        inventories: [],
+        itemCode: "PKG1",
+      },
+      {
+        code: RoomPackageCodeEnum.ALLERGY_ROOM,
+        description: "Package 2",
+        localPrice: {
+          totalPrice: 80,
+          currency: CurrencyEnum.SEK,
+          price: 80,
+        },
+        requestedPrice: {
+          totalPrice: 15,
+          currency: CurrencyEnum.EUR,
+          price: 15,
+        },
+        inventories: [],
+        itemCode: "PKG2",
+      },
+    ]
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPrice).toBe(40)
+  })
+
+  it("should calculate combined price with breakfast, packages, and additionalPrice", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 2
+    const nights = 2
+    const breakfast = {
+      requestedPrice: {
+        price: 10,
+        currency: CurrencyEnum.EUR,
+      },
+    }
+    const packages = [
+      {
+        code: RoomPackageCodeEnum.PET_ROOM,
+        description: "Package 1",
+        localPrice: {
+          totalPrice: 100,
+          currency: CurrencyEnum.SEK,
+          price: 100,
+        },
+        requestedPrice: {
+          totalPrice: 20,
+          currency: CurrencyEnum.EUR,
+          price: 20,
+        },
+        inventories: [],
+        itemCode: "PKG1",
+      },
+    ]
+    const cheques = 3
+    const additionalPrice = 15
+    const additionalPriceCurrency = CurrencyEnum.EUR
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested).toEqual({
+      currency: CurrencyEnum.CC,
+      price: 3,
+      additionalPrice: 75,
+      additionalPriceCurrency: CurrencyEnum.EUR,
+    })
+  })
+
+  it("should set currency from additionalPriceCurrency when provided", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 50
+    const additionalPriceCurrency = CurrencyEnum.EUR
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPriceCurrency).toBe(CurrencyEnum.EUR)
+  })
+
+  it("should set currency from packages when additionalPriceCurrency not provided", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = undefined
+    const packages = [
+      {
+        code: RoomPackageCodeEnum.PET_ROOM,
+        description: "Package 1",
+        localPrice: {
+          totalPrice: 100,
+          currency: CurrencyEnum.SEK,
+          price: 100,
+        },
+        requestedPrice: {
+          totalPrice: 20,
+          currency: CurrencyEnum.EUR,
+          price: 20,
+        },
+        inventories: [],
+        itemCode: "PKG1",
+      },
+    ]
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPriceCurrency).toBe(CurrencyEnum.EUR)
+  })
+
+  it("should set currency from breakfast when no other currency available", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = {
+      requestedPrice: {
+        price: 10,
+        currency: CurrencyEnum.EUR,
+      },
+    }
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPriceCurrency).toBe(CurrencyEnum.EUR)
+  })
+
+  it("should not override existing additionalPriceCurrency", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+      requested: {
+        currency: CurrencyEnum.CC,
+        price: 0,
+        additionalPriceCurrency: CurrencyEnum.NOK,
+      },
+    }
+    const adults = 1
+    const nights = 1
+    const breakfast = {
+      requestedPrice: {
+        price: 10,
+        currency: CurrencyEnum.EUR,
+      },
+    }
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPriceCurrency).toBe(CurrencyEnum.NOK)
+  })
+
+  it("should handle breakfast without requestedPrice", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 2
+    const nights = 2
+    const breakfast = {
+      requestedPrice: {
+        price: 0,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPrice).toBe(0)
+  })
+
+  it("should handle false breakfast value", () => {
+    const total: GetRequestedAdditionalPriceParams[0] = {
+      local: {
+        price: 100,
+        currency: CurrencyEnum.SEK,
+      },
+    }
+    const adults = 2
+    const nights = 2
+    const breakfast = false
+    const packages = null
+    const cheques = 0
+    const additionalPrice = 0
+    const additionalPriceCurrency = undefined
+
+    getRequestedAdditionalPrice(
+      total,
+      adults,
+      breakfast,
+      nights,
+      packages,
+      cheques,
+      additionalPrice,
+      additionalPriceCurrency
+    )
+
+    expect(total.requested?.additionalPrice).toBe(0)
+  })
+})
+
+type GetCorporateChequePriceParams = Parameters<typeof getCorporateChequePrice>
+describe("getCorporateChequePrice", () => {
+  it("returns price 0 when rooms are empty", () => {
+    const nights = 1
+    const result = getCorporateChequePrice([], nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 0,
+        currency: CurrencyEnum.CC,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("returns price for single room with corporate cheque", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 0,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 3,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 0,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("calculates price with additionalPricePerStay", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 150,
+              currency: CurrencyEnum.SEK,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 2,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 150,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("calculates price with breakfast", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 2,
+        breakfast: {
+          localPrice: {
+            price: 50,
+            currency: CurrencyEnum.SEK,
+          },
+        },
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 100,
+              currency: CurrencyEnum.SEK,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 3,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 300,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("calculates price with room features", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [
+          {
+            localPrice: {
+              totalPrice: 75,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              totalPrice: 10,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        ],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 50,
+              currency: CurrencyEnum.SEK,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 2,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 125,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("calculates requested price when available", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 100,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 15,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 3,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 100,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: {
+        price: 2,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 15,
+        additionalPriceCurrency: CurrencyEnum.EUR,
+      },
+    })
+  })
+
+  it("calculates requested price with breakfast", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 2,
+        breakfast: {
+          localPrice: {
+            price: 40,
+            currency: CurrencyEnum.SEK,
+          },
+          requestedPrice: {
+            price: 5,
+            currency: CurrencyEnum.EUR,
+          },
+        },
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 100,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 10,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 3,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 260,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: {
+        price: 2,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 30,
+        additionalPriceCurrency: CurrencyEnum.EUR,
+      },
+    })
+  })
+
+  it("calculates price for multiple rooms", () => {
+    const nights = 1
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 50,
+              currency: CurrencyEnum.SEK,
+            },
+          },
+        },
+      },
+      {
+        adults: 2,
+        breakfast: {
+          localPrice: {
+            price: 30,
+            currency: CurrencyEnum.SEK,
+          },
+        },
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 75,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              numberOfCheques: 2,
+              additionalPricePerStay: 10,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 5,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 185,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: {
+        price: 2,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 10,
+        additionalPriceCurrency: CurrencyEnum.EUR,
+      },
+    })
+  })
+
+  it("does not return price for rooms without corporateCheque", () => {
+    const nights = 2
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          public: {
+            localPrice: {
+              pricePerStay: 500,
+            },
+          },
+        },
+      },
+      {
+        adults: 1,
+        breakfast: false,
+        roomFeatures: [],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 3,
+              additionalPricePerStay: 0,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 3,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 0,
+      },
+      requested: undefined,
+    })
+  })
+
+  it("calculates combined price with breakfast and room features", () => {
+    const nights = 3
+    const rooms: GetCorporateChequePriceParams[0] = [
+      {
+        adults: 2,
+        breakfast: {
+          localPrice: {
+            price: 25,
+            currency: CurrencyEnum.SEK,
+          },
+          requestedPrice: {
+            price: 3,
+            currency: CurrencyEnum.EUR,
+          },
+        },
+        roomFeatures: [
+          {
+            localPrice: {
+              totalPrice: 100,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              totalPrice: 12,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+          {
+            localPrice: {
+              totalPrice: 50,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              totalPrice: 6,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        ],
+        roomRate: {
+          corporateCheque: {
+            localPrice: {
+              numberOfCheques: 5,
+              additionalPricePerStay: 200,
+              currency: CurrencyEnum.SEK,
+            },
+            requestedPrice: {
+              numberOfCheques: 4,
+              additionalPricePerStay: 25,
+              currency: CurrencyEnum.EUR,
+            },
+          },
+        },
+      },
+    ]
+
+    const result = getCorporateChequePrice(rooms, nights)
+
+    expect(result).toEqual({
+      local: {
+        price: 5,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 500,
+        additionalPriceCurrency: CurrencyEnum.SEK,
+      },
+      requested: {
+        price: 4,
+        currency: CurrencyEnum.CC,
+        additionalPrice: 61,
+        additionalPriceCurrency: CurrencyEnum.EUR,
+      },
+    })
+  })
+})
+
 describe("getRedemptionPrice", () => {
   it("returns price 0 and default currency when rooms are empty", () => {
     const result = getRedemptionPrice([], 1)

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

@@ -8,12 +8,7 @@ import { calculateRegularPrice } from "../../utils/calculateRegularPrice"
 import { sumPackages, sumPackagesRequestedPrice } from "../../utils/SelectRate"
 import { detailsStorageName } from "."
 
-import type { BreakfastPackage } from "@scandic-hotels/trpc/routers/hotels/schemas/packages"
-import type { Packages } from "@scandic-hotels/trpc/types/packages"
-import type {
-  CorporateChequeProduct,
-  Product,
-} from "@scandic-hotels/trpc/types/roomAvailability"
+import type { Product } from "@scandic-hotels/trpc/types/roomAvailability"
 import type { User } from "@scandic-hotels/trpc/types/user"
 
 import type { Price } from "../../types/price"
@@ -315,12 +310,20 @@ export function getAdditionalPrice(
   }
 }
 
-function getRequestedAdditionalPrice(
+export function getRequestedAdditionalPrice(
   total: Price,
   adults: number,
-  breakfast: BreakfastPackage | false | undefined,
+  breakfast:
+    | {
+        requestedPrice?: { price: number; currency?: CurrencyEnum }
+      }
+    | false
+    | undefined,
   nights: number,
-  packages: Packages | null,
+  packages:
+    | { requestedPrice: { totalPrice: number; currency?: CurrencyEnum } }[]
+    | null
+    | undefined,
   cheques: number,
   additionalPrice = 0,
   additionalPriceCurrency: CurrencyEnum | null | undefined
@@ -362,14 +365,30 @@ type TRoom = Pick<
   "adults" | "breakfast" | "guest" | "roomFeatures" | "roomRate"
 >
 
-interface TRoomCorporateCheque extends TRoom {
-  roomRate: CorporateChequeProduct
+type CorporateCheckRoom = PriceCalculationRoom & {
+  roomRate: {
+    corporateCheque: {
+      localPrice: {
+        numberOfCheques: number
+        additionalPricePerStay: number
+        currency?: CurrencyEnum
+      }
+      requestedPrice?: {
+        numberOfCheques: number
+        additionalPricePerStay: number
+        currency?: CurrencyEnum
+      }
+    }
+  }
 }
 
-function getCorporateChequePrice(rooms: TRoom[], nights: number) {
+export function getCorporateChequePrice(
+  rooms: PriceCalculationRoom[],
+  nights: number
+) {
   return rooms
     .filter(
-      (room): room is TRoomCorporateCheque => "corporateCheque" in room.roomRate
+      (room): room is CorporateCheckRoom => "corporateCheque" in room.roomRate
     )
     .reduce<Price>(
       (total, room) => {