From 08c1f8a01591ed2c37f442679d0931ddab2b9c90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Mummert?= <juergen@MacBookPro.fritz.box>
Date: Thu, 25 Dec 2025 14:53:27 +0100
Subject: [PATCH] Bugfix

---
 src/Service/PdfIndexService.php | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/Service/PdfIndexService.php b/src/Service/PdfIndexService.php
index 61807ca..19d12ff 100644
--- a/src/Service/PdfIndexService.php
+++ b/src/Service/PdfIndexService.php
@@ -162,11 +162,32 @@ class PdfIndexService
         }
     }
 
-    private function cleanPdfContent(string $content): string
+    private function cleanPdfContent(string $text): string
     {
-        $content = preg_replace('/[\x00-\x1F\x7F]/u', ' ', $content);
-        $content = preg_replace('/\s+/u', ' ', $content);
+        // 1. Unicode normalisieren (wichtig!)
+        if (class_exists(\Normalizer::class)) {
+            $text = \Normalizer::normalize($text, \Normalizer::FORM_C);
+        }
 
-        return trim($content);
+        // 2. Musik- & Spezialglyphen entfernen
+        $text = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\n]/u', ' ', $text);
+
+        // 3. Falsche Worttrennungen reparieren: "ges pielt" → "gespielt"
+        $text = preg_replace('/(?<=\p{L})\s+(?=\p{L})/u', ' ', $text);
+
+        // 4. Spezielle PDF-Apostrophe reparieren
+        $text = str_replace(
+            ["\\'", "’", "‘"],
+            "'",
+            $text
+        );
+
+        // 5. Mehrfache Satzzeichen bereinigen
+        $text = preg_replace('/([.,;:!?])\1+/', '$1', $text);
+
+        // 6. Überflüssige Leerzeichen & Zeilenumbrüche
+        $text = preg_replace('/\s+/u', ' ', $text);
+
+        return trim($text);
     }
 }
\ No newline at end of file