tg

sender_user_id.patch

diff --git a/tg/controllers.py b/tg/controllers.py
index e608d94..f861a89 100644
--- a/tg/controllers.py
+++ b/tg/controllers.py
@@ -873,7 +873,7 @@ class Controller:
             return
 
         # notify
-        if self.model.is_me(msg["sender_user_id"]):
+        if self.model.is_me(msg["sender"].get("user_id")):
             return
         user = self.model.users.get_user(msg.sender_id)
         name = f"{user['first_name']} {user['last_name']}"
diff --git a/tg/models.py b/tg/models.py
index 9017590..c2b62f1 100644
--- a/tg/models.py
+++ b/tg/models.py
@@ -175,7 +175,8 @@ class Model:
         return False
 
     def can_be_deleted(self, chat_id: int, msg: Dict[str, Any]) -> bool:
-        if chat_id == msg["sender_user_id"]:
+        c_id = msg["sender"].get("chat_id") or msg["sender"].get("user_id")
+        if chat_id == c_id:
             return msg["can_be_deleted_only_for_self"]
         return msg["can_be_deleted_for_all_users"]
 
diff --git a/tg/msg.py b/tg/msg.py
index deb5288..3084c6c 100644
--- a/tg/msg.py
+++ b/tg/msg.py
@@ -218,7 +218,7 @@ class MsgProxy:
 
     @property
     def sender_id(self) -> int:
-        return self.msg["sender_user_id"]
+        return self.msg["sender"].get("user_id") or self.msg["sender"].get("chat_id")
 
     @property
     def forward(self) -> Optional[Dict[str, Any]]:
diff --git a/tg/views.py b/tg/views.py
index 20665b3..2703cf8 100644
--- a/tg/views.py
+++ b/tg/views.py
@@ -240,7 +240,7 @@ class ChatView:
         msg = chat.get("last_message")
         if (
             msg
-            and self.model.is_me(msg["sender_user_id"])
+            and self.model.is_me(msg["sender"].get("user_id"))
             and msg["id"] > chat["last_read_outbox_message_id"]
             and not self.model.is_me(chat["id"])
         ):
@@ -248,7 +248,7 @@ class ChatView:
             flags.append("unseen")
         elif (
             msg
-            and self.model.is_me(msg["sender_user_id"])
+            and self.model.is_me(msg["sender"].get("user_id"))
             and msg["id"] <= chat["last_read_outbox_message_id"]
         ):
             flags.append("seen")
@@ -588,7 +588,7 @@ def get_last_msg(
     if not last_msg:
         return None, "<No messages yet>"
     return (
-        last_msg["sender_user_id"],
+        last_msg["sender"].get("user_id"),
         parse_content(MsgProxy(last_msg), users),
     )