Update leaderboard.py

leaderboard.py

@@ -1,4 +1,3 @@
-from nc_py_api import Nextcloud
 import json
 from typing import Dict, Any
 import time
@@ -7,21 +6,24 @@ import threading
 import config
 import math
 
-# Initialize Nextcloud client
-nc = Nextcloud(nextcloud_url=config.NEXTCLOUD_URL, nc_auth_user=config.NEXTCLOUD_USERNAME, nc_auth_pass=config.NEXTCLOUD_PASSWORD)
-
 # Dictionary to store ELO ratings
 elo_ratings = {}
 
 def load_leaderboard() -> Dict[str, Any]:
+    nc = config.get_nextcloud_client() # Use the singleton client
     try:
         file_content = nc.files.download(config.NEXTCLOUD_LEADERBOARD_PATH)
-        return json.loads(file_content.decode('utf-8'))
+        if file_content: # Check if content is not empty
+            return json.loads(file_content.decode('utf-8'))
+        else:
+            print(f"Error loading leaderboard: Received empty content from Nextcloud at {config.NEXTCLOUD_LEADERBOARD_PATH}")
+            return {}
     except Exception as e:
         print(f"Error loading leaderboard: {str(e)}")
         return {}
 
 def save_leaderboard(leaderboard_data: Dict[str, Any]) -> bool:
+    nc = config.get_nextcloud_client() # Use the singleton client
     try:
         json_data = json.dumps(leaderboard_data, indent=2)
         nc.files.upload(config.NEXTCLOUD_LEADERBOARD_PATH, json_data.encode('utf-8'))
@@ -262,6 +264,7 @@ def create_backup():
             timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
             backup_file_name = f"leaderboard_backup_{timestamp}.json"
             backup_path = f"{config.NEXTCLOUD_BACKUP_FOLDER}/{backup_file_name}"
+            nc = config.get_nextcloud_client() # Use the singleton client
             json_data = json.dumps(leaderboard_data, indent=2)
             nc.files.upload(backup_path, json_data.encode('utf-8'))
             print(f"Backup created on Nextcloud: {backup_path}")