<iman> update side banner & footer banner search

1 files changed, 5 insertions, 1 deletions

diff --git a/src-migrate/modules/footer-banner/index.tsx b/src-migrate/modules/footer-banner/index.tsx
index 7db1363c..c829b91e 100644
--- a/src-migrate/modules/footer-banner/index.tsx
+++ b/src-migrate/modules/footer-banner/index.tsx
@@ -1,7 +1,9 @@
 import Link from "next/link"
+import React, { useMemo } from "react";
 import { useQuery } from "react-query"
 import Image from "~/components/ui/image"
 import { getBanner } from "~/services/banner"
+import { getRandomInt } from '@/utils/getRandomInt'
 
 const FooterBanner = () => {
   const fetchFooterBanner = useQuery({
@@ -9,7 +11,9 @@ const FooterBanner = () => {
     queryFn: () => getBanner({ type: 'bottom-search-promotion' })
   })
 
-  const banner = fetchFooterBanner?.data?.[0] || false
+  const length = useMemo(() => fetchFooterBanner.data?.length, [fetchFooterBanner.data]);
+  const randomIndex = useMemo(() => getRandomInt(length), [length]);
+  const banner = fetchFooterBanner?.data?.[randomIndex] || false;
 
   return banner && (
     <>