modified: app.py

modified:   templates/quiz.html

app.py

@@ -244,7 +244,13 @@ def play_track():
         return {"error": "Missing device_id or track_uri"}, 400
     
     sp = get_spotify_client()
-    sp.start_playback(device_id=device_id, uris=[track_uri], position_ms=position_ms)
+    try:
+        sp.start_playback(device_id=device_id, uris=[track_uri], position_ms=position_ms)
+    except spotipy.exceptions.SpotifyException as e:
+        if "Device not found" in str(e):
+            # Spezieller Fehlercode, damit das Frontend weiß, dass es neu laden soll
+            return {"error": "device_not_found", "message": "Spotify-Player nicht gefunden. Die Seite wird neu geladen..."}, 409
+        return {"error": str(e)}, 500
     
     return {"success": True}
 

templates/quiz.html

@@ -144,11 +144,14 @@
         }
         // Starte Wiedergabe an gewünschter Stelle
         fetch(`/play_track?device_id=${device_id}&track_uri={{ track.uri }}&position_ms=${position_ms}`, { method: 'POST' })
-          .then(response => {
-            if (!response.ok) {
-              throw new Error('Network response was not ok');
+          .then(response => response.json())
+          .then(data => {
+            if (data.error === "device_not_found") {
+              alert(data.message || "Spotify-Player nicht gefunden. Die Seite wird neu geladen...");
+              window.location.reload();
+              return;
             }
-            return response.json();
+            // ...bisheriger Code...
           })
           .catch(error => {
             console.error('Error starting playback:', error);