feat: refactor of my stay

apps/scandic-web/server/routers/booking/utils.ts

@@ -1,5 +1,13 @@
+import * as api from "@/lib/api"
+import { badRequestError, serverErrorByStatus } from "@/server/errors/trpc"
+import { createCounter } from "@/server/telemetry"
+import { toApiLang } from "@/server/utils"
+
+import { bookingConfirmationSchema, createBookingSchema } from "./output"
+
 import type { Room } from "@/types/hotel"
 import type { BookingConfirmation } from "@/types/trpc/routers/booking/confirmation"
+import type { Lang } from "@/constants/languages"
 
 export function getBookedHotelRoom(
   rooms: Room[] | undefined,
@@ -25,3 +33,96 @@ export function getBookedHotelRoom(
     bedType,
   }
 }
+
+export async function getBooking(
+  confirmationNumber: string,
+  lang: Lang,
+  token: string
+) {
+  const getBookingCounter = createCounter("booking", "get")
+  const metricsGetBooking = getBookingCounter.init({ confirmationNumber })
+
+  metricsGetBooking.start()
+
+  const apiResponse = await api.get(
+    api.endpoints.v1.Booking.booking(confirmationNumber),
+    {
+      headers: {
+        Authorization: `Bearer ${token}`,
+      },
+    },
+    { language: toApiLang(lang) }
+  )
+
+  if (!apiResponse.ok) {
+    await metricsGetBooking.httpError(apiResponse)
+
+    // If the booking is not found, return null.
+    // This scenario is expected to happen when a logged in user trying to access a booking that doesn't belong to them.
+    if (apiResponse.status === 400) {
+      return null
+    }
+
+    throw serverErrorByStatus(apiResponse.status, apiResponse)
+  }
+
+  const apiJson = await apiResponse.json()
+  const booking = bookingConfirmationSchema.safeParse(apiJson)
+  if (!booking.success) {
+    metricsGetBooking.validationError(booking.error)
+    throw badRequestError()
+  }
+
+  metricsGetBooking.success()
+
+  return booking.data
+}
+
+export async function cancelBooking(
+  confirmationNumber: string,
+  language: string,
+  token: string
+) {
+  const cancellationReason = {
+    reasonCode: "WEB-CANCEL",
+    reason: "WEB-CANCEL",
+  }
+
+  const cancelBookingCounter = createCounter("booking", "cancel")
+  const metricsCancelBooking = cancelBookingCounter.init({
+    cancellationReason,
+    confirmationNumber,
+    language,
+  })
+
+  metricsCancelBooking.start()
+
+  const headers = {
+    Authorization: `Bearer ${token}`,
+  }
+
+  const apiResponse = await api.remove(
+    api.endpoints.v1.Booking.cancel(confirmationNumber),
+    {
+      headers,
+      body: JSON.stringify(cancellationReason),
+    } as RequestInit,
+    { language }
+  )
+
+  if (!apiResponse.ok) {
+    await metricsCancelBooking.httpError(apiResponse)
+    return false
+  }
+
+  const apiJson = await apiResponse.json()
+  const verifiedData = createBookingSchema.safeParse(apiJson)
+  if (!verifiedData.success) {
+    metricsCancelBooking.validationError(verifiedData.error)
+    return null
+  }
+
+  metricsCancelBooking.success()
+
+  return verifiedData.data
+}