fix download delays

analytics.py

@@ -89,6 +89,7 @@ def return_file_access():
     else:
         return []
 
+@require_secret
 def network():
     return render_template('network.html')
 

app.py

@@ -140,10 +140,12 @@ def generate_breadcrumbs(subpath=None):
 @app.route('/static/icons/<string:size>.png')
 def serve_resized_icon(size):
     cached_image_bytes = get_cached_image(size)
-    return send_file(
+    response = send_file(
         io.BytesIO(cached_image_bytes),
         mimetype='image/png'
     )
+    response.headers['Cache-Control'] = 'public, max-age=86400'
+    return response
 
 @app.route('/sw.js')
 def serve_sw():
@@ -202,8 +204,9 @@ def serve_file(subpath):
         # HEAD request are coming in to initiate server caching.
         # only log initial hits and not the reload of further file parts
         range_header = request.headers.get('Range')
+        # only request with starting from the beginning of the file will be tracked
         if request.method != 'HEAD' and (not range_header or range_header.startswith("bytes=0-")):
-            a.log_file_access(full_path)
+            threading.Thread(target=a.log_file_access, args=(full_path,)).start()
 
     # Check cache first (using diskcache)
     response = None

static/app.js

@@ -238,19 +238,20 @@ document.querySelectorAll('.play-file').forEach(link => {
           const folderName = pathParts[pathParts.length - 2];
           const fileName = pathParts.pop();
           const pathStr = pathParts.join('/');
-          nowPlayingInfo.innerHTML = pathStr.replace(/\//g, ' > ') + '<br><span style="font-size: larger; font-weight: bold;">' + fileName.replace('.mp3', '') + '</span>';
           // write into hardware player
           if ('mediaSession' in navigator) {
             navigator.mediaSession.metadata = new MediaMetadata({
               title: currentMusicFiles[currentMusicIndex].title,
               artist: folderName,
               artwork: [
-                { src: '/static/icons/logo-512x512.png', sizes: '512x512', type: 'image/png' }
+                { src: '/static/icons/logo-192x192.png', sizes: '192x192', type: 'image/png' }
               ]
             });
           };
-          preload_audio();
+          nowPlayingInfo.innerHTML = pathStr.replace(/\//g, ' > ') + '<br><span style="font-size: larger; font-weight: bold;">' + fileName.replace('.mp3', '') + '</span>';
-        }
+          // Delay preloading to avoid blocking playback
+          setTimeout(preload_audio, 1000);
+        };
       } catch (error) {
         // If the fetch was aborted, error.name will be 'AbortError'.
         if (error.name === 'AbortError') {
@@ -258,12 +259,12 @@ document.querySelectorAll('.play-file').forEach(link => {
         } else {
           console.error('Error fetching media:', error);
           nowPlayingInfo.textContent = "Fehler: Netzwerkproblem oder ungültige URL.";
-        }
+        };
-      }
+      };
     } else if (fileType === 'image') {
       // Open the gallery modal for image files.
       openGalleryModal(relUrl);
-    }
+    };
   });
 });
 

templates/network.html

@@ -78,7 +78,6 @@
         });
       });
     </script>
-    <!-- Bootstrap 5 JS Bundle -->
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"></script>
   </body>
 </html>