From d43ef653655a0d1ad597ecfe88625aca06f6ac00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olav=20Sundf=C3=B8r?= <olav@sundfoer.com>
Date: Mon, 8 Apr 2024 10:37:56 +0200
Subject: [PATCH] Do not write to DB if there aren't new episodes

We currently do a lot of unessecary DB writes.
This PR should fix that. This is important because
it can get expensive rather quickly.
---
 lib/caching.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/caching.ts b/lib/caching.ts
index 67e4ac1..72eec24 100644
--- a/lib/caching.ts
+++ b/lib/caching.ts
@@ -20,6 +20,10 @@ async function updateFetch(existingSeries: Series) {
     return !existingSeries.episodes.find((serieEpisode) => serieEpisode.id === episode.id);
   });
 
+  if (newEpisodes.length === 0) {
+    return existingSeries;
+  }
+
   const updated = {
     ...existingSeries,
     lastFetch: new Date(),