# Pyrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2017-present Dan <https://github.com/delivrance>

#

# This file is part of Pyrogram.

#

# Pyrogram 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.

#

# Pyrogram 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 Pyrogram. If not, see <http://www.gnu.org/licenses/>.

from typing import Union

import pyrogram

from pyrogram import raw

class UnpinAllChatMessages:

async def unpin_all_chat_messages(

self: "pyrogram.Client",

chat_id: Union[int, str],

) -> bool:

"""Use this method to clear the list of pinned messages in a chat.

If the chat is not a private chat, the bot must be an administrator in the chat for this to work and must have

the 'can_pin_messages' admin right in a supergroup or 'can_edit_messages' admin right in a channel.

.. include:: /_includes/usable-by/users-bots.rst

Parameters:

chat_id (``int`` | ``str``):

Unique identifier (int) or username (str) of the target chat.

Returns:

``bool``: True on success.

Example:

.. code-block:: python

# Unpin all chat messages

await app.unpin_all_chat_messages(chat_id)

"""

await self.invoke(

raw.functions.messages.UnpinAllMessages(

peer=await self.resolve_peer(chat_id)

)

)

return True