From 696d699c162ddd76fbbdc0d53a5797684ebe796e Mon Sep 17 00:00:00 2001
From: Najih Mld <najihmaulida@gmail.com>
Date: Fri, 30 Aug 2024 08:40:24 +0700
Subject: [PATCH] fix: correct fbc format extraction from fbclid parameter

---
 src/utils/request.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/utils/request.ts b/src/utils/request.ts
index b248587..30d8fcf 100644
--- a/src/utils/request.ts
+++ b/src/utils/request.ts
@@ -50,7 +50,10 @@ const getClientFbc = (req: NextApiRequest): string => {
     const url = new URL(req.headers.referer);
 
     if (url.searchParams.has('fbclid')) {
-      return url.searchParams.get('fbclid') ?? '';
+      const fbclid = url.searchParams.get('fbclid') || '';
+      const subdomainIndex = getSubdomainIndex(req.headers.host || '');
+      const creationTime = Date.now();
+      return `fb.${subdomainIndex}.${creationTime}.${fbclid}`;
     }
   }