From e94ef4ab827e4f3d0c5be49f7cbeb6f2d054ac80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Ku=C3=9Fowski?= <c.kussowski@famedly.com>
Date: Sun, 11 May 2025 10:36:44 +0200
Subject: [PATCH] fix: Correct filename when downloading thumbnail

---
 lib/src/event.dart | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/src/event.dart b/lib/src/event.dart
index 87e23d30..ca380267 100644
--- a/lib/src/event.dart
+++ b/lib/src/event.dart
@@ -21,6 +21,7 @@ import 'dart:typed_data';
 
 import 'package:collection/collection.dart';
 import 'package:html/parser.dart';
+import 'package:mime/mime.dart';
 
 import 'package:matrix/matrix.dart';
 import 'package:matrix/src/utils/file_send_request_credentials.dart';
@@ -826,9 +827,13 @@ class Event extends MatrixEvent {
     }
 
     final filename = content.tryGet<String>('filename') ?? body;
+    final mimeType = attachmentMimetype;
+
     return MatrixFile(
       bytes: uint8list,
-      name: filename,
+      name: getThumbnail
+          ? '$filename.thumbnail.${extensionFromMime(mimeType)}'
+          : filename,
       mimeType: attachmentMimetype,
     );
   }