From 4e91cdad9522721838429bc738768bf531f42aac Mon Sep 17 00:00:00 2001
From: static <kmc7468@naver.com>
Date: Sun, 20 Jul 2025 05:17:38 +0900
Subject: [PATCH] =?UTF-8?q?=EC=84=9C=EB=B2=84=EB=A1=9C=EB=B6=80=ED=84=B0?=
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---
 src/lib/components/organisms/Category/File.svelte             | 2 +-
 src/lib/services/file.ts                                      | 4 ++--
 .../(main)/directory/[[id]]/DirectoryEntries/File.svelte      | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lib/components/organisms/Category/File.svelte b/src/lib/components/organisms/Category/File.svelte
index 7d49cf3..8e3fc12 100644
--- a/src/lib/components/organisms/Category/File.svelte
+++ b/src/lib/components/organisms/Category/File.svelte
@@ -32,7 +32,7 @@
   };
 
   $effect(() => {
-    if ($info?.dataKey) {
+    if ($info) {
       requestFileThumbnailDownload($info.id, $info.dataKey)
         .then((thumbnailUrl) => {
           thumbnail = thumbnailUrl ?? undefined;
diff --git a/src/lib/services/file.ts b/src/lib/services/file.ts
index 11742c8..bab3dac 100644
--- a/src/lib/services/file.ts
+++ b/src/lib/services/file.ts
@@ -48,9 +48,9 @@ export const requestFileThumbnailUpload = async (
   return await fetch(`/api/file/${fileId}/thumbnail/upload`, { method: "POST", body: form });
 };
 
-export const requestFileThumbnailDownload = async (fileId: number, dataKey: CryptoKey) => {
+export const requestFileThumbnailDownload = async (fileId: number, dataKey?: CryptoKey) => {
   const cache = await getFileThumbnailCache(fileId);
-  if (cache) return cache;
+  if (cache || !dataKey) return cache;
 
   let res = await callGetApi(`/api/file/${fileId}/thumbnail`);
   if (!res.ok) return null;
diff --git a/src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte b/src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte
index 8251331..cdfd4d0 100644
--- a/src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte
+++ b/src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte
@@ -34,7 +34,7 @@
   };
 
   $effect(() => {
-    if ($info?.dataKey) {
+    if ($info) {
       requestFileThumbnailDownload($info.id, $info.dataKey)
         .then((thumbnailUrl) => {
           thumbnail = thumbnailUrl ?? undefined;