From 84f99370eee07ae5975443e4f71335d82a9e1d9e Mon Sep 17 00:00:00 2001
From: advplyr <advplyr@protonmail.com>
Date: Fri, 21 Mar 2025 17:53:17 -0500
Subject: [PATCH] Update audio file scanner to support multiple series in
 series/series-part tags separated by semicolon if they match #4136

---
 server/scanner/AudioFileScanner.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/server/scanner/AudioFileScanner.js b/server/scanner/AudioFileScanner.js
index 73324b72..2ba4230d 100644
--- a/server/scanner/AudioFileScanner.js
+++ b/server/scanner/AudioFileScanner.js
@@ -308,6 +308,27 @@ class AudioFileScanner {
               bookMetadata.series = series
             }
           } else {
+            // Detect if multiple series are in the series & series-part tags.
+            // Note: This requires that every series has a sequence and that they are separated by a semicolon.
+            if (value.includes(';') && audioFileMetaTags.tagSeriesPart?.includes(';')) {
+              const seriesSplit = value
+                .split(';')
+                .map((s) => s.trim())
+                .filter(Boolean)
+              const seriesSequenceSplit = audioFileMetaTags.tagSeriesPart
+                .split(';')
+                .map((s) => s.trim())
+                .filter(Boolean)
+              if (seriesSplit.length > 1 && seriesSplit.length === seriesSequenceSplit.length) {
+                bookMetadata.series = seriesSplit.map((series, index) => ({
+                  name: series,
+                  sequence: seriesSequenceSplit[index] || null
+                }))
+                libraryScan.addLog(LogLevel.DEBUG, `Detected multiple series in series/series-part tags: ${bookMetadata.series.map((s) => `${s.name} #${s.sequence}`).join(', ')}`)
+                return
+              }
+            }
+
             // Original embed used "series" and "series-part" tags
             bookMetadata.series = [
               {