Merged in chore/refactor-paymentclient (pull request #3219)

chore: Refactor PaymentClient

* Extract function mustGuaranteeBooking

* Break apart PaymentClient


Approved-by: Joakim Jäderberg

packages/booking-flow/lib/components/EnterDetails/Payment/helpers.test.ts

@@ -0,0 +1,98 @@
+import { describe, expect, it } from "vitest"
+
+import { mustGuaranteeBooking } from "./helpers"
+
+const buildRoom = (
+  overrides: Partial<{
+    memberMustBeGuaranteed: boolean
+    mustBeGuaranteed: boolean
+    guest: { join: boolean; membershipNo?: string }
+  }> = {}
+) => ({
+  room: {
+    memberMustBeGuaranteed: false,
+    mustBeGuaranteed: false,
+    guest: { join: false, membershipNo: undefined },
+    ...overrides,
+  },
+})
+
+describe("mustGuaranteeBooking", () => {
+  it("returns true when the first room requires a member guarantee for a logged-in user", () => {
+    const rooms = [
+      buildRoom({
+        memberMustBeGuaranteed: true,
+        mustBeGuaranteed: false,
+      }),
+    ]
+
+    const booking = { rooms: [{}] }
+
+    expect(
+      mustGuaranteeBooking({
+        isUserLoggedIn: true,
+        booking,
+        rooms,
+      })
+    ).toBe(true)
+  })
+
+  it("returns memberMustBeGuaranteed when guest has membership details and counter rate code", () => {
+    const rooms = [
+      buildRoom(),
+      buildRoom({
+        memberMustBeGuaranteed: true,
+        guest: { join: true },
+      }),
+    ]
+
+    const booking = { rooms: [{}, { counterRateCode: "COUNTER" }] }
+
+    expect(
+      mustGuaranteeBooking({
+        isUserLoggedIn: false,
+        booking,
+        rooms,
+      })
+    ).toBe(true)
+  })
+
+  it("returns false when member condition is not met despite counter rate code", () => {
+    const rooms = [
+      buildRoom(),
+      buildRoom({
+        memberMustBeGuaranteed: false,
+        guest: { join: true },
+      }),
+    ]
+
+    const booking = { rooms: [{}, { counterRateCode: "COUNTER" }] }
+
+    expect(
+      mustGuaranteeBooking({
+        isUserLoggedIn: false,
+        booking,
+        rooms,
+      })
+    ).toBe(false)
+  })
+
+  it("falls back to mustBeGuaranteed when no member-specific rules apply", () => {
+    const rooms = [
+      buildRoom({
+        memberMustBeGuaranteed: false,
+        mustBeGuaranteed: true,
+      }),
+    ]
+
+    const booking = { rooms: [{}] }
+
+    expect(
+      mustGuaranteeBooking({
+        isUserLoggedIn: false,
+        booking,
+        rooms,
+      })
+    ).toBe(true)
+  })
+})