1from aiogram import F
2from aiogram.filters import and_f, or_f
3from aiogram.types import Message
4 
5 
6def is_valid_reply(message: Message) -> bool:
7    if not message.reply_to_message:
8        return False
9 
10    if not message.chat.is_forum or not message.is_topic_message:
11        return True
12 
13    return message.reply_to_message.message_id != message.message_thread_id
14 
15 
16def get_message_thread_id(message: Message) -> int | None:
17    chat = message.chat
18    if not chat:
19        return None
20 
21    if chat.is_forum:
22        if message.is_topic_message and message.message_thread_id:
23            return message.message_thread_id
24        return None
25 
26    if chat.linked_chat_id is None:
27        return None
28 
29    if message.message_thread_id is None:
30        return None
31 
32    if (
33        message.reply_to_message
34        and message.reply_to_message.from_user
35        and message.reply_to_message.from_user.is_bot
36    ):
37        return None
38 
39    return message.message_thread_id
40 
41 
42IS_REPLY = or_f(
43    and_f(or_f(~F.chat.is_forum, ~F.is_topic_message), F.reply_to_message),
44    and_f(
45        F.chat.is_forum,
46        F.is_topic_message,
47        F.reply_to_message.message_id != F.message_thread_id,
48    ),
49)
50 
51 
52FILTER_REPLY_OR_NONE = or_f(
53    ~F.reply_to_message,
54    and_f(
55        F.chat.is_forum,
56        F.reply_to_message.message_id == F.message_thread_id,
57    ),
58)
59