add format day in csv/maintenance mode

utils/csv_export.py

@@ -1,4 +1,5 @@
 import csv
+from datetime import datetime
 
 from io import StringIO
 from typing import Any
@@ -172,7 +173,7 @@ async def export_hot_leads_csv(session: Any) -> BufferedInputFile:
 
 async def export_keys_csv(session) -> BufferedInputFile:
     """
-    Экспорт подписок в CSV.
+    Экспорт подписок в CSV с нормальными датами.
     """
     keys = await session.fetch("""
         SELECT tg_id, client_id, email, created_at, expiry_time, key, server_id, is_frozen, alias
@@ -184,9 +185,12 @@ async def export_keys_csv(session) -> BufferedInputFile:
     buffer.write("tg_id,client_id,email,created_at,expiry_time,key,server_id,is_frozen,alias\n")
 
     for row in keys:
+        created_at = datetime.utcfromtimestamp(row['created_at'] / 1000).strftime("%Y-%m-%d %H:%M:%S")
+        expiry_time = datetime.utcfromtimestamp(row['expiry_time'] / 1000).strftime("%Y-%m-%d %H:%M:%S")
+        
         buffer.write(
             f"{row['tg_id']},{row['client_id']},{row['email']},"
-            f"{row['created_at']},{row['expiry_time']},{row['key']},"
+            f"{created_at},{expiry_time},{row['key']},"
             f"{row['server_id']},{row['is_frozen']},{row['alias'] or ''}\n"
         )