From b056aa8d7f1f484aaffffc966a52b48094f8cfbe Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Sun, 14 Apr 2019 21:04:34 +0200
Subject: [PATCH] Add the field is_member to the ChatMember type This can be
 used to find whether a restricted user is a member of the chat at the moment
 of the request.

---
 .../types/user_and_chats/chat_member.py       | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/pyrogram/client/types/user_and_chats/chat_member.py b/pyrogram/client/types/user_and_chats/chat_member.py
index 35911210..9ccf9314 100644
--- a/pyrogram/client/types/user_and_chats/chat_member.py
+++ b/pyrogram/client/types/user_and_chats/chat_member.py
@@ -36,6 +36,9 @@ class ChatMember(PyrogramType):
         date (``int``, *optional*):
             Date when the user joined, unix time. Not available for creator.
 
+        is_member (``bool``, *optional*):
+            Restricted only. True, if the user is a member of the chat at the moment of the request.
+
         invited_by (:obj:`User <pyrogram.User>`, *optional*):
             Administrators and self member only. Information about the user who invited this member.
             In case the user joined by himself this will be the same as "user".
@@ -51,7 +54,7 @@ class ChatMember(PyrogramType):
             Information about the member permissions.
     """
 
-    __slots__ = ["user", "status", "date", "invited_by", "promoted_by", "restricted_by", "permissions"]
+    __slots__ = ["user", "status", "date", "is_member", "invited_by", "promoted_by", "restricted_by", "permissions"]
 
     def __init__(
         self,
@@ -60,6 +63,7 @@ class ChatMember(PyrogramType):
         user: "pyrogram.User",
         status: str,
         date: int = None,
+        is_member: bool = None,
         invited_by: "pyrogram.User" = None,
         promoted_by: "pyrogram.User" = None,
         restricted_by: "pyrogram.User" = None,
@@ -70,6 +74,7 @@ class ChatMember(PyrogramType):
         self.user = user
         self.status = status
         self.date = date
+        self.is_member = is_member
         self.invited_by = invited_by
         self.promoted_by = promoted_by
         self.restricted_by = restricted_by
@@ -121,14 +126,17 @@ class ChatMember(PyrogramType):
             )
 
         if isinstance(member, types.ChannelParticipantBanned):
+            status = (
+                "kicked" if member.banned_rights.view_messages
+                else "left" if member.left
+                else "restricted"
+            )
+
             return ChatMember(
                 user=user,
-                status=(
-                    "kicked" if member.banned_rights.view_messages
-                    else "left" if member.left
-                    else "restricted"
-                ),
+                status=status,
                 date=member.date,
+                is_member=not member.left if status == "restricted" else None,
                 restricted_by=pyrogram.User._parse(client, users[member.kicked_by]),
                 permissions=pyrogram.ChatPermissions._parse(member),
                 client=client