neue Sortierung nach mp3-tags

recorder.py

@@ -2,6 +2,7 @@ import os
 import signal
 import subprocess
 import threading
+import json
 import time
 from datetime import datetime
 from pathlib import Path
@@ -137,6 +138,51 @@ def format_duration(seconds):
     return f"{minutes}:{seconds:02d}"
 
 
+def read_metadata(path):
+    """Read common ID3/FFmpeg metadata from an MP3."""
+    try:
+        result = subprocess.run(
+            ["ffprobe", "-v", "error", "-show_entries",
+             "format_tags=date,artist,title,album", "-of", "json", str(path)],
+            capture_output=True, text=True, timeout=10,
+        )
+        if result.returncode != 0:
+            return {}
+        data = json.loads(result.stdout)
+        tags = data.get("format", {}).get("tags", {}) or {}
+        return {str(k).lower(): str(v) for k, v in tags.items() if v is not None}
+    except Exception:
+        return {}
+
+
+def metadata_datetime(path):
+    tags = read_metadata(path)
+    value = tags.get("date", "")
+    if value:
+        try:
+            dt = datetime.fromisoformat(value.replace("Z", "+00:00"))
+            if dt.tzinfo is None:
+                dt = dt.replace(tzinfo=TIMEZONE)
+            return dt.astimezone(TIMEZONE).strftime("%d.%m.%Y %H:%M")
+        except ValueError:
+            pass
+    return format_datetime(path.stat().st_mtime)
+
+
+def metadata_sort_key(path):
+    tags = read_metadata(path)
+    value = tags.get("date", "")
+    if value:
+        try:
+            dt = datetime.fromisoformat(value.replace("Z", "+00:00"))
+            if dt.tzinfo is None:
+                dt = dt.replace(tzinfo=TIMEZONE)
+            return dt.timestamp()
+        except ValueError:
+            pass
+    return path.stat().st_mtime
+
+
 def get_duration(filename, directory=RECORDINGS_DIR):
     path = directory / filename
 
@@ -741,9 +787,10 @@ a.button:hover {
 <table>
 <thead>
 <tr>
-    <th>Start</th>
-    <th>Datei</th>
-    <th>Größe</th>
+    <th>Zeitpunkt</th>
+    <th>Redner</th>
+    <th>Beschreibung</th>
+    <th>Veranstaltung</th>
     <th>Dauer</th>
     <th>Wiedergabe</th>
     <th></th>
@@ -757,9 +804,11 @@ a.button:hover {
 
     <td>{{ item.datetime }}</td>
 
-    <td>{{ item.filename }}</td>
+    <td>{{ item.artist or "–" }}</td>
 
-    <td>{{ item.size }}</td>
+    <td>{{ item.title or "–" }}</td>
+
+    <td>{{ item.album or "–" }}</td>
 
     <td>{{ item.duration }}</td>
 
@@ -855,17 +904,21 @@ def render_index():
     for path in FINISHED_DIR.glob("*.mp3"):
         try:
             stat = path.stat()
+            tags = read_metadata(path)
             files.append({
                 "filename": path.name,
-                "datetime": format_datetime(stat.st_mtime),
+                "datetime": metadata_datetime(path),
+                "artist": tags.get("artist", ""),
+                "title": tags.get("title", ""),
+                "album": tags.get("album", ""),
                 "size": format_size(stat.st_size),
                 "duration": format_duration(get_duration(path.name, FINISHED_DIR)),
-                "mtime": stat.st_mtime,
+                "sort_date": metadata_sort_key(path),
             })
         except FileNotFoundError:
             continue
 
-    files.sort(key=lambda item: item["mtime"], reverse=True)
+    files.sort(key=lambda item: item["sort_date"], reverse=True)
 
     with state_lock:
         process = ffmpeg_process