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join_chat.py
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64 lines (51 loc) · 2.54 KB
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# Hydrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2023 Dan <https://github.com/delivrance>
# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>
#
# This file is part of Hydrogram.
#
# Hydrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Hydrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Hydrogram. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
import hydrogram
from hydrogram import raw, types
class JoinChat:
async def join_chat(self: hydrogram.Client, chat_id: int | str) -> types.Chat:
"""Join a group chat or channel.
.. include:: /_includes/usable-by/users.rst
Parameters:
chat_id (``int`` | ``str``):
Unique identifier for the target chat in form of a *t.me/joinchat/* link, a username of the target
channel/supergroup (in the format @username) or a chat id of a linked chat (channel or supergroup).
Returns:
:obj:`~hydrogram.types.Chat`: On success, a chat object is returned.
Example:
.. code-block:: python
# Join chat via invite link
await app.join_chat("https://t.me/+AbCdEf0123456789")
# Join chat via username
await app.join_chat("hydrogram")
# Join a linked chat
await app.join_chat(app.get_chat("hydrogram").linked_chat.id)
"""
if match := self.INVITE_LINK_RE.match(str(chat_id)):
chat = await self.invoke(raw.functions.messages.ImportChatInvite(hash=match.group(1)))
if isinstance(chat.chats[0], raw.types.Chat):
return types.Chat._parse_chat_chat(self, chat.chats[0])
if isinstance(chat.chats[0], raw.types.Channel):
return types.Chat._parse_channel_chat(self, chat.chats[0])
return None
chat = await self.invoke(
raw.functions.channels.JoinChannel(channel=await self.resolve_peer(chat_id))
)
return types.Chat._parse_channel_chat(self, chat.chats[0])