From 86e73bdd35e688def55feb96af6cb8620b1ef62e Mon Sep 17 00:00:00 2001
From: Erik Johnston <erikj@matrix.org>
Date: Tue, 21 Jul 2015 15:31:58 +0100
Subject: [PATCH 1/2] Add getMembersWithMembership to get all members with
 given membership state

---
 lib/models/room.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/models/room.js b/lib/models/room.js
index 74ddcad50..370cd6e34 100644
--- a/lib/models/room.js
+++ b/lib/models/room.js
@@ -61,6 +61,17 @@ utils.inherits(Room, EventEmitter);
     });
  };
 
+/**
+ * Get a list of members with given membership state.
+ * @param {string} membership The membership state.
+ * @return {RoomMember[]} A list of members with the given membership state.
+ */
+ Room.prototype.getMembersWithMemership = function(membership) {
+    return utils.filter(this.currentState.getMembers(), function(m) {
+        return m.membership === membership;
+    });
+ };
+
  /**
  * Check if the given user_id has the given membership state.
  * @param {string} userId The user ID to check.

From f716431f6588a4a2929d22c7a6255dac509a4f53 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erikj@matrix.org>
Date: Tue, 21 Jul 2015 15:41:33 +0100
Subject: [PATCH 2/2] Make getJoinedUsers call getMembersWithMembership

---
 lib/models/room.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/models/room.js b/lib/models/room.js
index 370cd6e34..c5b5623ee 100644
--- a/lib/models/room.js
+++ b/lib/models/room.js
@@ -56,9 +56,7 @@ utils.inherits(Room, EventEmitter);
  * @return {RoomMember[]} A list of currently joined members.
  */
  Room.prototype.getJoinedMembers = function() {
-    return utils.filter(this.currentState.getMembers(), function(m) {
-        return m.membership === "join";
-    });
+    return this.getMembersWithMemership("join");
  };
 
 /**