updted to delet unused files

app/app.py

@@ -296,6 +296,7 @@ def periodic_playlist_check():
             Logger.info("Checking for playlist updates...")
             download_playlist_files_from_server()  # Download playlist from the server
             create_updated_playlist()  # Create the updated playlist with local file paths
+            delete_old_logs_and_unused_files()  # Delete old logs and unused media files
             Logger.info("Playlist check complete.")
         except Exception as e:
             Logger.error(f"Error during playlist check: {e}")
@@ -307,25 +308,53 @@ def start_playlist_check_thread():
     thread.start()
 
 # Function to delete log files older than 2 days
-def delete_old_logs(log_folder='./logs', days=2):
+def delete_old_logs_and_unused_files(log_folder='./logs', resurse_folder='./static/resurse', days=2):
+    """Delete old log files and unused media files."""
     Logger.info("Checking for old log files to delete...")
     if not os.path.exists(log_folder):
         Logger.warning(f"Log folder does not exist: {log_folder}")
+    else:
+        now = time.time()
+        cutoff = now - (days * 86400)  # Convert days to seconds
+
+        for file_name in os.listdir(log_folder):
+            file_path = os.path.join(log_folder, file_name)
+            if os.path.isfile(file_path):
+                file_modified_time = os.path.getmtime(file_path)
+                if file_modified_time < cutoff:
+                    try:
+                        os.remove(file_path)
+                        Logger.info(f"Deleted old log file: {file_path}")
+                    except Exception as e:
+                        Logger.error(f"Failed to delete log file {file_path}: {e}")
+
+    Logger.info("Checking for unused media files to delete...")
+    if not os.path.exists(resurse_folder):
+        Logger.warning(f"Resurse folder does not exist: {resurse_folder}")
         return
 
-    now = time.time()
-    cutoff = now - (days * 86400)  # Convert days to seconds
+    # Load the updated playlist to determine which files are in use
+    updated_playlist_file = './updated_playlist.json'
+    used_files = set()
+    if os.path.exists(updated_playlist_file):
+        with open(updated_playlist_file, 'r') as file:
+            updated_playlist = json.load(file)
+            for media in updated_playlist:
+                file_name = os.path.basename(media.get('url', ''))
+                used_files.add(file_name)
 
-    for file_name in os.listdir(log_folder):
-        file_path = os.path.join(log_folder, file_name)
-        if os.path.isfile(file_path):
-            file_modified_time = os.path.getmtime(file_path)
-            if file_modified_time < cutoff:
-                try:
-                    os.remove(file_path)
-                    Logger.info(f"Deleted old log file: {file_path}")
-                except Exception as e:
-                    Logger.error(f"Failed to delete log file {file_path}: {e}")
+    # Always keep playlist.json
+    used_files.add('playlist.json')
+
+    # Delete files in the resurse folder that are not in the updated playlist
+    for file_name in os.listdir(resurse_folder):
+        file_path = os.path.join(resurse_folder, file_name)
+        if os.path.isfile(file_path) and file_name not in used_files:
+            try:
+                os.remove(file_path)
+                Logger.info(f"Deleted unused media file: {file_path}")
+            except Exception as e:
+                Logger.error(f"Failed to delete media file {file_path}: {e}")
 
 if __name__ == '__main__':
     initialize_playlist()  # Check and download playlist on startup