From 64fbcf223762d5e38c2aa6e0efb8ec6972bd649f Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Mon, 25 Dec 2017 12:47:08 +0100
Subject: [PATCH] Add leave_chat method

---
 pyrogram/client/client.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index 526062e7..b252b8d6 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -962,3 +962,20 @@ class Client:
                     channel=channel
                 )
             )
+
+    def leave_chat(self, chat_id: int or str):
+        peer = self.resolve_peer(chat_id)
+
+        if isinstance(peer, types.InputPeerChannel):
+            return self.send(
+                functions.channels.LeaveChannel(
+                    channel=self.resolve_peer(chat_id)
+                )
+            )
+        elif isinstance(peer, types.InputPeerChat):
+            return self.send(
+                functions.messages.DeleteChatUser(
+                    chat_id=peer.chat_id,
+                    user_id=types.InputPeerSelf()
+                )
+            )