From 2dcfbd784c132dd05b4b23b2d0fe67b8814f3d68 Mon Sep 17 00:00:00 2001
From: KevinHuSh <kevinhu.sh@gmail.com>
Date: Fri, 17 May 2024 14:04:21 +0800
Subject: [PATCH] fix too large thumbnail issue (#817)

### What problem does this PR solve?

#709

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 api/utils/file_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/utils/file_utils.py b/api/utils/file_utils.py
index a062b93eed..ab859aaba3 100644
--- a/api/utils/file_utils.py
+++ b/api/utils/file_utils.py
@@ -174,7 +174,7 @@ def thumbnail(filename, blob):
     if re.match(r".*\.pdf$", filename):
         pdf = pdfplumber.open(BytesIO(blob))
         buffered = BytesIO()
-        pdf.pages[0].to_image().annotated.save(buffered, format="png")
+        pdf.pages[0].to_image(resolution=32).annotated.save(buffered, format="png")
         return "data:image/png;base64," + \
             base64.b64encode(buffered.getvalue()).decode("utf-8")