HandleStoreRequest

/**
 ** The handleStoreRequest Function is used to rewrite store url  
 ** based on user information stored in Sitecore Personalize
 * @param req 
 * @returns NextResponse with a rewrite set  
 */
async function handleStoreRequest(req: NextRequest) {

  // Check if we have a browserId in the request cookie collection
  let browserId = getCookie(req.headers.get('cookie'), browserIdCookieName)
  let hasBrowserIdCookie = !!browserId
  if(!hasBrowserIdCookie){
      browserId = await getBrowserRef()
  }
  
  // Attempts to retrieve Guest information from Sitecore Personalize
  let guest = await getGuestInformation(browserId);
  if(!!guest)
  {
    // Rewrite store url based on guest gender stored in CDP
    let shopRoute = shopRoutes.find(route => route.key==guest.gender)?.value 
    || req.nextUrl.pathname
    req.nextUrl.pathname = shopRoute 
  }
  const response = NextResponse.rewrite(req.nextUrl)
  console.log(`HandleStoreRequest - Rewrite path : ${req.nextUrl.pathname}`);
  
  // Add Cookie to response if it did not already exist
  if(!hasBrowserIdCookie){
    response.cookies.set(browserIdCookieName, browserId, cookieOptions);
  }
  return response
}