8b94540d19
Counter name is now searchable and add counter for redirects * refactor: createCounter() only takes one argument, the name of the counter. Makes it easier to search for * feat: add counter when we do a redirect from redirect-service Approved-by: Linus Flood
86 lines
2.3 KiB
TypeScript
86 lines
2.3 KiB
TypeScript
import { type NextMiddleware, NextResponse } from "next/server"
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import { getCacheClient } from "@scandic-hotels/common/dataCache"
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import { logger } from "@scandic-hotels/common/logger"
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import { createCounter } from "@scandic-hotels/common/telemetry"
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import { findLang } from "@scandic-hotels/common/utils/languages"
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import { notFound } from "@/server/errors/next"
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import { getPublicNextURL } from "@/server/utils"
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import { getDefaultRequestHeaders } from "./utils"
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import type { Lang } from "@scandic-hotels/common/constants/language"
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import type { MiddlewareMatcher } from "@/types/middleware"
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async function fetchAndCacheRedirect(lang: Lang, pathname: string) {
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const cacheKey = `${lang}:redirect:${pathname}`
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const cache = await getCacheClient()
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return await cache.cacheOrGet(
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cacheKey,
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async () => {
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const matchedRedirect = await fetch(
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"https://redirect-scandic-hotels.netlify.app",
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{
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method: "POST",
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body: JSON.stringify({ lang, pathname }),
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headers: {
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"Content-Type": "application/json",
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},
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signal: AbortSignal.timeout(15_000),
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}
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)
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if (matchedRedirect.ok) {
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const result = await matchedRedirect.text()
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if (result) {
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return result
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}
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}
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return null
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},
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// longer once tested
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"1d"
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)
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}
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const redirectCounter = createCounter("middleware.redirect")
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export const middleware: NextMiddleware = async (request) => {
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const lang = findLang(request.nextUrl.pathname)!
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const headers = getDefaultRequestHeaders(request)
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try {
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const matchedRedirect = await fetchAndCacheRedirect(
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lang,
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request.nextUrl.pathname
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)
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if (matchedRedirect) {
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redirectCounter
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.init({
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lang,
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pathname: request.nextUrl.pathname,
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newPathname: matchedRedirect,
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})
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.success()
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const newUrl = new URL(matchedRedirect, getPublicNextURL(request))
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headers.set("Cache-control", "public, max-age=14400") // 4 hours
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return NextResponse.redirect(newUrl, {
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headers,
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status: 308,
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})
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}
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headers.set("x-continue", "1")
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return NextResponse.next({ headers })
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} catch (e) {
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logger.error("Redirect error: ", e)
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throw notFound()
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}
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}
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export const matcher: MiddlewareMatcher = (_) => {
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return true
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}
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