web/packages/trpc/lib/routers/hotels/services/getCountries.ts

import { getCacheClient } from "@scandic-hotels/common/dataCache"
import { createLogger } from "@scandic-hotels/common/logger/createLogger"

import * as api from "../../../api"
import { toApiLang } from "../../../utils"
import { countriesSchema } from "../output"

import type { Lang } from "@scandic-hotels/common/constants/language"

const logger = createLogger("getCountries")
const locationsAffix = "locations"
export async function getCountries({
  lang,
  serviceToken,
  warmup = false,
}: {
  lang: Lang
  serviceToken: string
  warmup?: boolean
}) {
  const cacheClient = await getCacheClient()
  return await cacheClient.cacheOrGet(
    `${lang}:${locationsAffix}:countries`,
    async () => {
      const params = new URLSearchParams({
        language: toApiLang(lang),
      })

      const countryResponse = await api.get(
        api.endpoints.v1.Hotel.countries,
        {
          headers: {
            Authorization: `Bearer ${serviceToken}`,
          },
        },
        params
      )

      if (!countryResponse.ok) {
        throw new Error("Unable to fetch countries")
      }

      const countriesJson = await countryResponse.json()
      const countries = countriesSchema.safeParse(countriesJson)
      if (!countries.success) {
        logger.error(`Validation for countries failed`, countries.error)
        return null
      }

      return countries.data
    },
    "1d",
    {
      cacheStrategy: warmup ? "fetch-then-cache" : "cache-first",
    }
  )
}