From 5bf912640f5a219a70412212aa9091e166548852 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Mon, 4 Jun 2018 12:21:14 +0200
Subject: [PATCH] Add promote_chat_member.py

---
 .../methods/chats/promote_chat_member.py      | 99 +++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 pyrogram/client/methods/chats/promote_chat_member.py

diff --git a/pyrogram/client/methods/chats/promote_chat_member.py b/pyrogram/client/methods/chats/promote_chat_member.py
new file mode 100644
index 00000000..eb70578a
--- /dev/null
+++ b/pyrogram/client/methods/chats/promote_chat_member.py
@@ -0,0 +1,99 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <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 pyrogram.api import functions, types
+from ...ext import BaseClient
+
+
+class PromoteChatMember(BaseClient):
+    def promote_chat_member(self,
+                            chat_id: int or str,
+                            user_id: int or str,
+                            can_change_info: bool = True,
+                            can_post_messages: bool = True,
+                            can_edit_messages: bool = True,
+                            can_delete_messages: bool = True,
+                            can_invite_users: bool = True,
+                            can_restrict_members: bool = True,
+                            can_pin_messages: bool = True,
+                            can_promote_members: bool = False):
+        """Use this method to 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.
+
+        Args:
+            chat_id (``int`` | ``str``):
+                Unique identifier (int) or username (str) of the target chat.
+                For a private channel/supergroup you can use its *t.me/joinchat/* link.
+
+            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).
+
+            can_change_info (``bool``, *optional*):
+                Pass True, if the administrator can change chat title, photo and other settings.
+
+            can_post_messages (``bool``, *optional*):
+                Pass True, if the administrator can create channel posts, channels only.
+
+            can_edit_messages (``bool``, *optional*):
+                Pass True, if the administrator can edit messages of other users and can pin messages, channels only.
+
+            can_delete_messages (``bool``, *optional*):
+                Pass True, if the administrator can delete messages of other users.
+
+            can_invite_users (``bool``, *optional*):
+                Pass True, if the administrator can invite new users to the chat.
+
+            can_restrict_members (``bool``, *optional*):
+                Pass True, if the administrator can restrict, ban or unban chat members.
+
+            can_pin_messages (``bool``, *optional*):
+                Pass True, if the administrator can pin messages, supergroups only.
+
+            can_promote_members (``bool``, *optional*):
+                Pass True, if the administrator can add new administrators with a subset of his own privileges or
+                demote administrators that he has promoted, directly or indirectly (promoted by administrators that
+                were appointed by him).
+
+        Returns:
+            True on success.
+
+        Raises:
+            :class:`Error <pyrogram.Error>`
+        """
+        self.send(
+            functions.channels.EditAdmin(
+                channel=self.resolve_peer(chat_id),
+                user_id=self.resolve_peer(user_id),
+                admin_rights=types.ChannelAdminRights(
+                    change_info=can_change_info or None,
+                    post_messages=can_post_messages or None,
+                    edit_messages=can_edit_messages or None,
+                    delete_messages=can_delete_messages or None,
+                    ban_users=can_restrict_members or None,
+                    invite_users=can_invite_users or None,
+                    invite_link=can_invite_users or None,
+                    pin_messages=can_pin_messages or None,
+                    add_admins=can_promote_members or None,
+                    manage_call=None
+                )
+            )
+        )
+
+        return True