From 2561145d0571e0419ed689de0dfd1b7b76e20271 Mon Sep 17 00:00:00 2001
From: Les De Ridder <les@lesderid.net>
Date: Wed, 12 Feb 2020 15:23:31 +0100
Subject: [PATCH] Implement JOIN 0 (equivalent to PARTing all channels)

---
 source/ircd/connection.d | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/source/ircd/connection.d b/source/ircd/connection.d
index d805b10..3687b34 100644
--- a/source/ircd/connection.d
+++ b/source/ircd/connection.d
@@ -395,6 +395,15 @@ class Connection
             return;
         }
 
+        if (message.parameters[0] == "0")
+        {
+            foreach (channel; channels)
+            {
+                channel.part(this, null);
+            }
+            return;
+        }
+
         auto channelList = message.parameters[0].split(',');
         auto channelKeys = message.parameters.length > 1 ? message.parameters[1].split(',') : null;
         foreach (i, channelName; channelList)