feat: channel sub

misc/utils.py

@@ -3,6 +3,12 @@ import json
 from typing import Any
 
 import phonenumbers
+from aiogram.types import (
+    ChatMemberAdministrator,
+    ChatMemberMember,
+    ChatMemberOwner,
+    ResultChatMemberUnion,
+)
 from phonenumbers import NumberParseException
 
 
@@ -26,3 +32,10 @@ def b64_to_dict(payload: str) -> dict["str", Any]:
     payload += padding
     json_bytes = base64.urlsafe_b64decode(payload)
     return json.loads(json_bytes.decode("utf-8"))
+
+def is_member(chatmember: ResultChatMemberUnion):
+    return any([
+        isinstance(chatmember, ChatMemberOwner),
+        isinstance(chatmember, ChatMemberAdministrator),
+        isinstance(chatmember, ChatMemberMember),
+    ])