From b146db9d0a7b9ce9f8781b6596d262702bf1e8de Mon Sep 17 00:00:00 2001
From: mappu <mappu04@gmail.com>
Date: Sat, 20 May 2023 13:43:17 +1200
Subject: [PATCH] preview: add minimal preview for albums with no images

---
 preview.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/preview.go b/preview.go
index 9fbcf3b..ba9f76f 100644
--- a/preview.go
+++ b/preview.go
@@ -136,16 +136,15 @@ html, body {
 				return
 			}
 
-			if len(childIDs) == 0 {
-				log.Printf("Failed to parse album '%s': no entries in album", fileID)
-				http.Error(w, "Internal error", 500)
-				return
+			albumThumb := `/nothumb_340.png`
+			if len(childIDs) > 0 {
+				albumThumb = `/thumb/m/` + childIDs[0]
 			}
 
 			tmpl += `
 				<div class="entry">			
 					<div class="thumbnail">
-						<a href="` + html.EscapeString(`/p/`+strings.Join(childIDs, `-`)) + `"><img loading="lazy" src="` + html.EscapeString(`/thumb/m/`+childIDs[0]) + `"></a>
+						<a href="` + html.EscapeString(`/p/`+strings.Join(childIDs, `-`)) + `"><img loading="lazy" src="` + html.EscapeString(albumThumb) + `"></a>
 						<div class="thumbnail-overlay">` + fmt.Sprintf("%d", len(childIDs)) + ` image(s)</div>
 					</div>
 					<div class="properties">