From a425e00a96a9f27f7ad9218cbeab5ed7a1a8c120 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Tue, 4 Jun 2019 19:16:30 +0200
Subject: [PATCH] Add read_history method

---
 docs/source/api/methods.rst                   |  2 +
 pyrogram/client/methods/messages/__init__.py  |  4 +-
 .../client/methods/messages/read_history.py   | 65 +++++++++++++++++++
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 pyrogram/client/methods/messages/read_history.py

diff --git a/docs/source/api/methods.rst b/docs/source/api/methods.rst
index b9fa180c..ed150e4c 100644
--- a/docs/source/api/methods.rst
+++ b/docs/source/api/methods.rst
@@ -67,6 +67,7 @@ Messages
     - :meth:`~Client.get_messages`
     - :meth:`~Client.get_history`
     - :meth:`~Client.get_history_count`
+    - :meth:`~Client.read_history`
     - :meth:`~Client.iter_history`
     - :meth:`~Client.send_poll`
     - :meth:`~Client.vote_poll`
@@ -200,6 +201,7 @@ Details
 .. automethod:: Client.get_messages()
 .. automethod:: Client.get_history()
 .. automethod:: Client.get_history_count()
+.. automethod:: Client.read_history()
 .. automethod:: Client.iter_history()
 .. automethod:: Client.send_poll()
 .. automethod:: Client.vote_poll()
diff --git a/pyrogram/client/methods/messages/__init__.py b/pyrogram/client/methods/messages/__init__.py
index 9ed6e33b..07df7a64 100644
--- a/pyrogram/client/methods/messages/__init__.py
+++ b/pyrogram/client/methods/messages/__init__.py
@@ -27,6 +27,7 @@ from .get_history import GetHistory
 from .get_history_count import GetHistoryCount
 from .get_messages import GetMessages
 from .iter_history import IterHistory
+from .read_history import ReadHistory
 from .retract_vote import RetractVote
 from .send_animated_sticker import SendAnimatedSticker
 from .send_animation import SendAnimation
@@ -80,6 +81,7 @@ class Messages(
     IterHistory,
     SendCachedMedia,
     GetHistoryCount,
-    SendAnimatedSticker
+    SendAnimatedSticker,
+    ReadHistory
 ):
     pass
diff --git a/pyrogram/client/methods/messages/read_history.py b/pyrogram/client/methods/messages/read_history.py
new file mode 100644
index 00000000..f0278e91
--- /dev/null
+++ b/pyrogram/client/methods/messages/read_history.py
@@ -0,0 +1,65 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 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 typing import Union
+
+from pyrogram.api import functions, types
+from ...ext import BaseClient
+
+
+class ReadHistory(BaseClient):
+    def read_history(
+        self,
+        chat_id: Union[int, str],
+        max_id: int = 0
+    ) -> bool:
+        """Mark a chat's message history as read.
+
+        Parameters:
+            chat_id (``int`` | ``str``):
+                Unique identifier (int) or username (str) of the target chat.
+                For your personal cloud (Saved Messages) you can simply use "me" or "self".
+                For a contact that exists in your Telegram address book you can use his phone number (str).
+
+            max_id (``int``, *optional*):
+                The id of the last message you want to mark as read; all the messages before this one will be marked as
+                read as well. Defaults to 0 (mark every unread message as read).
+
+        Returns:
+            ``bool`` - On success, True is returned.
+
+        Raises:
+            RPCError: In case of a Telegram RPC error.
+        """
+
+        peer = self.resolve_peer(chat_id)
+
+        if isinstance(peer, types.InputPeerChannel):
+            q = functions.channels.ReadHistory(
+                channel=peer,
+                max_id=max_id
+            )
+        else:
+            q = functions.messages.ReadHistory(
+                peer=peer,
+                max_id=max_id
+            )
+
+        self.send(q)
+
+        return True