From 6dbbf08be47e93851f62cc5303cfc6fe25023bd3 Mon Sep 17 00:00:00 2001
From: "Alexander \"PapaTutuWawa" <papatutuwawa@polynom.me>
Date: Tue, 26 Sep 2023 23:42:49 +0200
Subject: [PATCH] feat(xep): Add an event for when someone leaves the MUC

---
 packages/moxxmpp/lib/src/xeps/xep_0045/events.dart   | 12 ++++++++++++
 packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/packages/moxxmpp/lib/src/xeps/xep_0045/events.dart b/packages/moxxmpp/lib/src/xeps/xep_0045/events.dart
index 1128df8..8eec00f 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0045/events.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0045/events.dart
@@ -24,6 +24,7 @@ class MemberJoinedEvent extends XmppEvent {
   final RoomMember member;
 }
 
+/// Triggered when an entity changes their presence in the MUC.
 class MemberChangedEvent extends XmppEvent {
   MemberChangedEvent(this.roomJid, this.member);
 
@@ -33,3 +34,14 @@ class MemberChangedEvent extends XmppEvent {
   /// The new member.
   final RoomMember member;
 }
+
+/// Triggered when an entity leaves the MUC.
+class MemberLeftEvent extends XmppEvent {
+  MemberLeftEvent(this.roomJid, this.nick);
+
+  /// The JID of the room.
+  final JID roomJid;
+
+  /// The nick of the user who left.
+  final String nick;
+}
diff --git a/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart b/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
index 06fc651..0042871 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
@@ -326,6 +326,12 @@ class MUCManager extends XmppManagerBase {
           'Should not receive unavailable with role="none" while joining',
         );
         room.members.remove(from.resource);
+        getAttributes().sendEvent(
+          MemberLeftEvent(
+            bareFrom,
+            from.resource,
+          ),
+        );
       } else {
         final member = RoomMember(
           from.resource,