media limit

db.py

@@ -1,3 +1,5 @@
+from datetime import datetime
+
 from BTrees.IIBTree import IIBTree
 from ZODB import DB
 from ZODB.Connection import Connection
@@ -21,6 +23,9 @@ def get_conn(read_only=False) -> Connection:
         if not hasattr(user, 'messages_forward') or not isinstance(user.messages_forward, IIBTree):
             user.messages_forward = IIBTree()
             user.messages_reverse = IIBTree()
+    # migration 2
+    if not hasattr(conn.root, 'last_media'):
+        conn.root.last_media = datetime.now()
     # end migrations
     commit()
     return conn