weekly seo

greenlns-landing/proxy.ts

@@ -3,13 +3,34 @@ import { NextResponse } from 'next/server'
 
 const APEX_HOST = 'greenlenspro.com'
 const WWW_HOST = `www.${APEX_HOST}`
+const ENGLISH_PATHS = new Set([
+  '/best-plant-identification-app',
+  '/plant-identifier-app',
+  '/plant-scanner',
+  '/flower-scanner',
+  '/houseplant-identifier',
+  '/succulent-identifier',
+  '/identify-plant-photo',
+  '/plant-disease-identifier',
+  '/plant-health-app',
+  '/plant-care-app',
+])
+
+function getLangForPath(pathname: string) {
+  if (pathname === '/es' || pathname.startsWith('/es/')) return 'es'
+  if (pathname === '/vs/google-lens') return 'de'
+  if (ENGLISH_PATHS.has(pathname) || pathname.startsWith('/vs/')) return 'en'
+  return 'de'
+}
 
 export function proxy(request: NextRequest) {
   const host = request.headers.get('host')
   const forwardedProto = request.headers.get('x-forwarded-proto')
+  const requestHeaders = new Headers(request.headers)
+  requestHeaders.set('x-greenlens-lang', getLangForPath(request.nextUrl.pathname))
 
   if (!host || (host !== APEX_HOST && host !== WWW_HOST)) {
-    return NextResponse.next()
+    return NextResponse.next({ request: { headers: requestHeaders } })
   }
 
   const url = request.nextUrl.clone()
@@ -25,7 +46,9 @@ export function proxy(request: NextRequest) {
     shouldRedirect = true
   }
 
-  return shouldRedirect ? NextResponse.redirect(url, 308) : NextResponse.next()
+  return shouldRedirect
+    ? NextResponse.redirect(url, 308)
+    : NextResponse.next({ request: { headers: requestHeaders } })
 }
 
 export const config = {