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

main.py

@@ -2,6 +2,7 @@
 
 import logging
 import traceback
+from datetime import datetime, timedelta
 from html import escape
 from queue import Queue, Empty
 from time import sleep
@@ -232,6 +233,16 @@ def users_list(bot: Bot, update: Update):
 
 
 def _process_message(bot: Bot, m: Message):
+    if m.sticker or m.animation:
+        delta = datetime.now() - conn.root.last_media
+        if delta < timedelta(seconds=15):
+            bot.send_message(
+                m.from_user.id,
+                'Не вайпи, до следующей гифки/стикера осталось {} секунд'.format(15 - int(delta.total_seconds()))
+            )
+            return
+        conn.root.last_media = datetime.now()
+        commit()
     current_chat = m.chat_id
     users = conn.root.subscribers  # type: Dict[int, Subscriber]
     if current_chat not in users: