From ec81a5e539913c34fef2768d33a649311954974c Mon Sep 17 00:00:00 2001
From: Denis Kasak <dkasak@termina.org.uk>
Date: Thu, 9 Jul 2020 10:09:57 +0200
Subject: [PATCH] Implement Room::member_is_tracked.

---
 matrix_sdk_base/src/models/room.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/matrix_sdk_base/src/models/room.rs b/matrix_sdk_base/src/models/room.rs
index 0d27cf81..648a00cf 100644
--- a/matrix_sdk_base/src/models/room.rs
+++ b/matrix_sdk_base/src/models/room.rs
@@ -426,6 +426,13 @@ impl Room {
         (true, disambiguations)
     }
 
+    /// Check whether the user with the MXID `user_id` is joined or invited to the room.
+    ///
+    /// Returns true if so, false otherwise.
+    pub fn member_is_tracked(&self, user_id: &UserId) -> bool {
+        self.invited_members.contains_key(&user_id) || self.joined_members.contains_key(&user_id)
+    }
+
     /// Get a room member by user ID.
     ///
     /// If there is no such member, returns `None`.