[V2] add inlinecallback to buttoncallback event

client/src/telethon/_impl/client/events/queries.py

@@ -1,9 +1,13 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Dict, Optional, Self
+import struct
+import typing
+from typing import TYPE_CHECKING, Dict, Optional, Self, Union
 
+from .. import errors
+from ...session import PackedType
 from ...tl import abcs, functions, types
-from ..types import Chat, Message
+from ..types import Chat, Message, Channel, Group
 from .event import Event
 from ..types.chat import peer_id
 from ..client.messages import CherryPickedList
@@ -22,7 +26,7 @@ class ButtonCallback(Event):
     def __init__(
         self,
         client: Client,
-        update: types.UpdateBotCallbackQuery,
+        update: Union[types.UpdateBotCallbackQuery, types.UpdateInlineBotCallbackQuery],
         chat_map: Dict[int, Chat],
     ):
         self._client = client
@@ -33,7 +37,13 @@ def __init__(
     def _try_from_update(
         cls, client: Client, update: abcs.Update, chat_map: Dict[int, Chat]
     ) -> Optional[Self]:
-        if isinstance(update, types.UpdateBotCallbackQuery) and update.data is not None:
+        if (
+            isinstance(
+                update,
+                (types.UpdateBotCallbackQuery, types.UpdateInlineBotCallbackQuery),
+            )
+            and update.data is not None
+        ):
             return cls._create(client, update, chat_map)
         else:
             return None
@@ -43,6 +53,87 @@ def data(self) -> bytes:
         assert self._raw.data is not None
         return self._raw.data
 
+    @property
+    def via_inline(self) -> bool:
+        """
+        Whether the button was clicked in an inline message.
+
+        If it was, it might indicate that the bot is not in chat.
+        If this is the case, both the :meth:`chat` and :meth:`get_message` will return :data:`None`.
+        """
+        return isinstance(self._raw, types.UpdateInlineBotCallbackQuery)
+
+    @property
+    def message_id(self) -> typing.Union[int, abcs.InputBotInlineMessageId]:
+        """
+        The identifier of the message containing the button that was clicked.
+
+        If the message is inline, :class:`abcs.InputBotInlineMessageId` will be returned.
+        You can use it in :meth:`~telethon._tl.functions.messages.edit_inline_bot_message` to edit the message.
+
+        Else, usual message ID will be returned.
+        """
+        return self._raw.msg_id
+
+    @property
+    def chat(self) -> Optional[Chat]:
+        """
+        The :term:`chat` where the button was clicked.
+
+        This may be :data:`None` if :data:`via_inline` is :data:`True`, as the bot might not be part of the chat.
+        """
+        if isinstance(self._raw, types.UpdateInlineBotCallbackQuery):
+            # for that type of update, the msg_id and owner_id are present, however bot is not guaranteed
+            # to have "access" to the owner_id.
+            if isinstance(self._raw.msg_id, types.InputBotInlineMessageId):
+                # telegram used to pack msg_id and peer_id into InputBotInlineMessageId.id
+                # I assume this is for the chats with IDs, fitting into 32-bit integer.
+                _, owner_id = struct.unpack(
+                    "<ii", struct.pack("<q", self._raw.msg_id.id)
+                )
+            elif isinstance(self._raw.msg_id, types.InputBotInlineMessageId64):
+                _ = self._raw.msg_id.id
+                owner_id = self._raw.msg_id.owner_id
+            else:
+                raise RuntimeError(f"unexpected type of msg_id: {type(self._raw.msg_id)}")
+
+            if owner_id is None:
+                return None
+
+            if owner_id > 0:
+                # We can't know if it's really a chat with user, or an ID of the user who issued the inline query.
+                # So it's better to return None, than to return wrong chat.
+                return None
+
+            owner_id = -owner_id
+
+            if owner := self._chat_map.get(owner_id):
+                return owner
+
+            packed = self.client._chat_hashes.get(owner_id)
+
+            raw = types.ChannelForbidden(
+                broadcast=False,
+                megagroup=False,
+                id=owner_id,
+                access_hash=0,
+                title="",
+                until_date=None,
+            )
+
+            if packed:
+                raw.access_hash = packed.access_hash
+
+                if packed.ty == PackedType.MEGAGROUP or packed.ty == PackedType.GIGAGROUP:
+                    if packed.ty == PackedType.GIGAGROUP:
+                        raw.gigagroup = True
+                    else:
+                        raw.megagroup = True
+                    return Group._from_raw(self.client, raw)
+            raw.broadcast = True
+            return Channel._from_raw(raw)
+        return self._chat_map.get(peer_id(self._raw.peer))
+
     async def answer(
         self,
         text: Optional[str] = None,
@@ -75,20 +166,42 @@ async def get_message(self) -> Optional[Message]:
         """
         Get the :class:`~telethon.types.Message` containing the button that was clicked.
 
-        If the message is too old and is no longer accessible, :data:`None` is returned instead.
+        If the message is inline, or too old and is no longer accessible, :data:`None` is returned instead.
         """
-
-        pid = peer_id(self._raw.peer)
-        chat = self._chat_map.get(pid)
-        if not chat:
-            chat = await self._client._resolve_to_packed(pid)
-
-        lst = CherryPickedList(self._client, chat, [])
-        lst._ids.append(types.InputMessageCallbackQuery(id=self._raw.msg_id, query_id=self._raw.query_id))
-
-        message = (await lst)[0]
-
-        return message or None
+        chat = self.chat
+
+        # numeric_id, received in this case, is:
+        # - a correct message id, if it was sent in a channel (or megagroup, gigagroup)
+        # - a sender's message id, if it was sent in a private chat. So it's not a correct ID from bot perspective,
+        # as each account has its own message id counter for private chats (pm, small group chats).
+        if isinstance(self._raw, types.UpdateInlineBotCallbackQuery):
+            if isinstance(self._raw.msg_id, types.InputBotInlineMessageId):
+                numeric_id, _ = struct.unpack("<ii", struct.pack("<q", self._raw.msg_id.id))
+            elif isinstance(self._raw.msg_id, types.InputBotInlineMessageId64):
+                numeric_id = self._raw.msg_id.id
+            else:
+                raise RuntimeError(f"unexpected type of msg_id: {type(self._raw.msg_id)}")
+        else:
+            numeric_id = self._raw.msg_id
+
+        if chat:
+            lst = CherryPickedList(self._client, chat, [numeric_id])
+            try:
+                res = await lst
+                if res:
+                    return res[0] or None
+            except errors.RpcError as e:
+                if e.name != "CHANNEL_INVALID" and e.name != "MESSAGE_IDS_EMPTY":
+                    raise
+
+        # I didn't notice a single case, when this request returns a message.
+        # However, theoretically, self._raw.msg_id is a valid type of InputMessageID, so it may be possible.
+        res = await self._client(
+            functions.messages.get_messages(
+                id=[self._raw.msg_id],
+            )
+        )
+        return res.messages[0] if res.messages else None
 
 
 class InlineQuery(Event):

client/src/telethon/_impl/client/types/chat/channel.py

@@ -54,10 +54,14 @@ def pack(self) -> Optional[PackedChat]:
         if self._raw.access_hash is None:
             return None
         else:
+            if getattr(self._raw, "megagroup", False):
+                ty = PackedType.MEGAGROUP
+            elif getattr(self._raw, "gigagroup", False):
+                ty = PackedType.GIGAGROUP
+            else:
+                ty = PackedType.BROADCAST
             return PackedChat(
-                ty=PackedType.GIGAGROUP
-                if getattr(self._raw, "gigagroup", False)
-                else PackedType.BROADCAST,
+                ty=ty,
                 id=self._raw.id,
                 access_hash=self._raw.access_hash,
             )

client/src/telethon/_impl/client/types/chat/group.py

@@ -72,7 +72,7 @@ def pack(self) -> Optional[PackedChat]:
             return None
         else:
             return PackedChat(
-                ty=PackedType.MEGAGROUP,
+                ty=PackedType.GIGAGROUP if getattr(self._raw, "gigagroup", False) else PackedType.MEGAGROUP,
                 id=self._raw.id,
                 access_hash=self._raw.access_hash,
             )

client/src/telethon/_impl/client/types/dialog.py

@@ -49,7 +49,7 @@ def _from_raw(
     @property
     def chat(self) -> Chat:
         """
-        The chat where messages are sent in this dialog.
+        The :term:`chat` where messages are sent in this dialog.
         """
         return self._chat_map[peer_id(self._raw.peer)]
 

client/src/telethon/_impl/client/types/draft.py

@@ -56,7 +56,7 @@ def _from_raw(
     @property
     def chat(self) -> Chat:
         """
-        The chat where the draft is saved.
+        The :term:`chat` where the draft is saved.
 
         This is also the chat where the message will be sent to by :meth:`send`.
         """