From 9766aedf7abac21d1d666205cfc10eb56e21cb08 Mon Sep 17 00:00:00 2001
From: Drew Weymouth <dweymouth@gmail.com>
Date: Sun, 2 Jun 2024 14:55:03 -0700
Subject: [PATCH] fix possible crash when switching servers with pending image
 fetches

---
 backend/imagemanager.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/backend/imagemanager.go b/backend/imagemanager.go
index e9050ce..b39c7c0 100644
--- a/backend/imagemanager.go
+++ b/backend/imagemanager.go
@@ -249,7 +249,11 @@ func (i *ImageManager) fetchAndCacheCoverFromServer(ctx context.Context, coverID
 	case <-ctx.Done():
 		return nil, context.Canceled
 	case i.serverFetchSema <- struct{}{}: // acquire
-		img, err := i.s.Server.GetCoverArt(coverID, coverArtThumbnailSize)
+		server := i.s.Server
+		if server == nil {
+			return nil, errors.New("logged out")
+		}
+		img, err := server.GetCoverArt(coverID, coverArtThumbnailSize)
 		<-i.serverFetchSema // release
 		if err == nil {
 			if i.ensureCoverCacheDir() != "" {
@@ -277,7 +281,11 @@ func (i *ImageManager) getFullSizeCoverArtFromServer(ctx context.Context, coverI
 	case <-ctx.Done():
 		return nil, context.Canceled
 	case i.serverFetchSema <- struct{}{}: // acquire
-		im, err := i.s.Server.GetCoverArt(coverID, 0)
+		server := i.s.Server
+		if server == nil {
+			return nil, errors.New("logged out")
+		}
+		im, err := server.GetCoverArt(coverID, 0)
 		<-i.serverFetchSema // release
 		if err == nil {
 			i.cachedFullSizeCover = im