From 319e465ba6bc06350f6017d9bc12ea75e87ca67b Mon Sep 17 00:00:00 2001
From: rinseaid <richardjhunt@gmail.com>
Date: Tue, 7 Jul 2026 16:32:39 -0400
Subject: [PATCH] fix: CamelCase author names fail automatic search matching
 (#219)

Co-authored-by: rinseaid <rinseaid@rinseaid.net>
---
 src/lib/utils/ranking-algorithm.ts    |  9 ++++----
 tests/utils/ranking-algorithm.test.ts | 30 +++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/lib/utils/ranking-algorithm.ts b/src/lib/utils/ranking-algorithm.ts
index 17f3d71..5b39c8d 100644
--- a/src/lib/utils/ranking-algorithm.ts
+++ b/src/lib/utils/ranking-algorithm.ts
@@ -389,11 +389,12 @@ export class RankingAlgorithm {
 
     // Parse authors from RAW string first (preserving commas for splitting)
     // Then normalize individual authors for matching
-    const requestAuthorRaw = audiobook.author.toLowerCase().replace(/\s+/g, ' ').trim();
-    const parsedAuthors = requestAuthorRaw
-      .split(/,|&| and | - /)
+    const parsedAuthors = audiobook.author
+      .replace(/\s+/g, ' ')
+      .trim()
+      .split(/,|&| and | - /i)
       .map(a => a.trim())
-      .filter(a => a.length > 2 && !['translator', 'narrator'].includes(a));
+      .filter(a => a.length > 2 && !['translator', 'narrator'].includes(a.toLowerCase()));
 
     // Normalize parsed authors for matching (handles CamelCase in author names)
     const normalizedAuthors = parsedAuthors.map(a => this.normalizeForMatching(a, characterReplacements));
diff --git a/tests/utils/ranking-algorithm.test.ts b/tests/utils/ranking-algorithm.test.ts
index efb1f1c..264f0aa 100644
--- a/tests/utils/ranking-algorithm.test.ts
+++ b/tests/utils/ranking-algorithm.test.ts
@@ -1348,6 +1348,36 @@ describe('ranking-algorithm', () => {
       // Gets partial score from fuzzy matching (title words + author words present)
       expect(breakdown.matchScore).toBeGreaterThan(30);
     });
+
+    it('matches CamelCase author prefix "McGowan" in request author field', () => {
+      const torrent = {
+        ...baseTorrent,
+        title: 'The Housekeeper by Suellen McGowan [M4B]',
+      };
+
+      const breakdown = algorithm.getScoreBreakdown(torrent, {
+        title: 'The Housekeeper',
+        author: 'Suellen McGowan',
+      }, true);
+
+      // "McGowan" must survive into normalizeForMatching as "Mc Gowan"
+      // With requireAuthor: true, author presence check must pass
+      expect(breakdown.matchScore).toBeGreaterThanOrEqual(50);
+    });
+
+    it('matches CamelCase author prefix "McFadden" in request author field', () => {
+      const torrent = {
+        ...baseTorrent,
+        title: 'The Housemaid - Freida McFadden [M4B]',
+      };
+
+      const breakdown = algorithm.getScoreBreakdown(torrent, {
+        title: 'The Housemaid',
+        author: 'Freida McFadden',
+      }, true);
+
+      expect(breakdown.matchScore).toBeGreaterThanOrEqual(50);
+    });
   });
 
   describe('Legacy API Compatibility', () => {