From 9b85475fe429f7c9e45c46ed6418f1edb7971a01 Mon Sep 17 00:00:00 2001
From: Alex Dunn <dunn.alex@gmail.com>
Date: Wed, 3 Jun 2020 19:47:57 -0700
Subject: [PATCH] add new setting to suppress join/leave announcements

---
 chatroom.go           | 9 ++++++---
 settings.go           | 1 +
 settings_example.json | 1 +
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/chatroom.go b/chatroom.go
index 5632bb8..00d4b68 100644
--- a/chatroom.go
+++ b/chatroom.go
@@ -109,8 +109,9 @@ func (cr *ChatRoom) Join(conn *chatConnection, data common.JoinData) (*Client, e
 	} else {
 		client.Send(playingCommand)
 	}
-	cr.AddEventMsg(common.EvJoin, data.Name, data.Color)
-
+	if !settings.LetThemLurk {
+		cr.AddEventMsg(common.EvJoin, data.Name, data.Color)
+	}
 	sendHiddenMessage(common.CdJoin, nil)
 	sendHiddenMessage(common.CdEmote, common.Emotes)
 
@@ -135,7 +136,9 @@ func (cr *ChatRoom) Leave(name, color string) {
 	client.conn.Close()
 	cr.delClient(id)
 
-	cr.AddEventMsg(common.EvLeave, name, color)
+	if !settings.LetThemLurk {
+		cr.AddEventMsg(common.EvLeave, name, color)
+	}
 	common.LogChatf("[leave] %s %s\n", host, name)
 }
 
diff --git a/settings.go b/settings.go
index ab5d3a8..a96a442 100644
--- a/settings.go
+++ b/settings.go
@@ -26,6 +26,7 @@ type Settings struct {
 	AdminPassword   string
 	ApprovedEmotes  []string // list of channels that have been approved for emote use.  Global emotes are always "approved".
 	Bans            []BanInfo
+	LetThemLurk     bool // whether or not to announce users joining/leaving chat
 	ListenAddress   string
 	LogFile         string
 	LogLevel        common.LogLevel
diff --git a/settings_example.json b/settings_example.json
index 04ec2c3..53b35e5 100644
--- a/settings_example.json
+++ b/settings_example.json
@@ -2,6 +2,7 @@
 	"AdminPassword": "",
 	"ApprovedEmotes": null,
 	"Bans": [],
+	"LetThemLurk": false,
 	"ListenAddress": ":8089",
 	"LogFile": "thelog.log",
 	"LogLevel": "debug",