# 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 errors, raw, types

class PromoteChatMember:

async def promote_chat_member(

self: hydrogram.Client,

chat_id: int | str,

user_id: int | str,

privileges: types.ChatPrivileges = None,

) -> bool:

"""Promote or demote a user in a supergroup or a channel.

You must be an administrator in the chat for this to work and must have the appropriate admin rights.

Pass False for all boolean parameters to demote a user.

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

Parameters:

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

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

user_id (``int`` | ``str``):

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

For a contact that exists in your Telegram address book you can use his phone number (str).

privileges (:obj:`~hydrogram.types.ChatPrivileges`, *optional*):

New user privileges.

Returns:

``bool``: True on success.

Example:

.. code-block:: python

# Promote chat member to admin

await app.promote_chat_member(chat_id, user_id)

"""

chat_id = await self.resolve_peer(chat_id)

user_id = await self.resolve_peer(user_id)

# See Chat.promote_member for the reason of this (instead of setting types.ChatPrivileges() as default arg).

if privileges is None:

privileges = types.ChatPrivileges()

try:

raw_chat_member = (

await self.invoke(

raw.functions.channels.GetParticipant(channel=chat_id, participant=user_id)

)

).participant

except errors.RPCError:

raw_chat_member = None

rank = None

if isinstance(raw_chat_member, raw.types.ChannelParticipantAdmin):

rank = raw_chat_member.rank

await self.invoke(

raw.functions.channels.EditAdmin(

channel=chat_id,

user_id=user_id,

admin_rights=raw.types.ChatAdminRights(

anonymous=privileges.is_anonymous,

change_info=privileges.can_change_info,

post_messages=privileges.can_post_messages,

edit_messages=privileges.can_edit_messages,

delete_messages=privileges.can_delete_messages,

ban_users=privileges.can_restrict_members,

invite_users=privileges.can_invite_users,

pin_messages=privileges.can_pin_messages,

add_admins=privileges.can_promote_members,

manage_call=privileges.can_manage_video_chats,

manage_topics=privileges.can_manage_topics,

other=privileges.can_manage_chat,

),

rank=rank or "",

)

)

return True