From b5f06c7d5df758a87457c78238f73a937ed8bfb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Sun, 5 Apr 2020 19:46:06 +0200
Subject: [PATCH] lastfm bio fetch to fallback to english if not found in user
 locale

---
 .../airsonic/player/service/LastFmService.java | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/airsonic-main/src/main/java/org/airsonic/player/service/LastFmService.java b/airsonic-main/src/main/java/org/airsonic/player/service/LastFmService.java
index 01326847..4316f663 100644
--- a/airsonic-main/src/main/java/org/airsonic/player/service/LastFmService.java
+++ b/airsonic-main/src/main/java/org/airsonic/player/service/LastFmService.java
@@ -244,7 +244,23 @@ public class LastFmService {
             if (info == null) {
                 return null;
             }
-            return new ArtistBio(processWikiText(info.getWikiSummary()),
+
+            String wiki = info.getWikiSummary().trim();
+            boolean isEnglish = locale.getLanguage().equals(Locale.ENGLISH.getLanguage());
+            // try to detect empty bio
+            if (!isEnglish && (wiki.length() < 250 &&
+                    wiki.startsWith("<a href=\"https://www.last.fm/music/") && wiki.endsWith("on Last.fm</a>"))
+            ) {
+                LOG.debug("Got empty bio for " + artistName + ", retry English");
+                Artist info1 = Artist.getInfo(artistName, Locale.ENGLISH, null /* username */, LAST_FM_KEY);
+                if (info1 != null) {
+                    // ensure we do not replace non-null with null & NPE...
+                    info = info1;
+                    wiki = info.getWikiSummary().trim();
+                }
+            }
+
+            return new ArtistBio(processWikiText(wiki),
                                  info.getMbid(),
                                  info.getUrl(),
                                  info.getImageURL(ImageSize.MEDIUM),