From b30202441a4438b823df873fb7d6a78dc5931d91 Mon Sep 17 00:00:00 2001
From: Zorchenhimer <zorchenhimer@gmail.com>
Date: Sat, 16 Mar 2019 21:04:11 -0400
Subject: [PATCH] Add a limit to the title length

Added a limit to how long the title can be when set from the /playing
command.  The default value is 50 if it is not in the settings file or
if the value in the settings is below zero.

Resolves #43
---
 chatcommands.go       | 4 ++++
 settings.go           | 5 +++++
 settings_example.json | 3 ++-
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/chatcommands.go b/chatcommands.go
index 0353cc6..56fe31e 100644
--- a/chatcommands.go
+++ b/chatcommands.go
@@ -127,6 +127,10 @@ var commands = &CommandControl{
 				title = strings.TrimSpace(title)
 				link = strings.TrimSpace(link)
 
+				if len(title) > settings.TitleLength {
+					return fmt.Sprintf("Title too long (%d/%d)", len(title), settings.TitleLength)
+				}
+
 				// Send a notice to the mods and admins
 				if len(link) == 0 {
 					cl.belongsTo.AddModNotice(cl.name + " set the playing title to '" + title + "' with no link")
diff --git a/settings.go b/settings.go
index baaa098..fceda84 100644
--- a/settings.go
+++ b/settings.go
@@ -18,6 +18,7 @@ type Settings struct {
 	filename        string
 	cmdLineKey      string // stream key from the command line
 	MaxMessageCount int
+	TitleLength     int // maximum length of the title that can be set with the /playing
 	AdminPassword   string
 	Bans            []BanInfo
 	StreamKey       string
@@ -40,6 +41,10 @@ func init() {
 		panic("Missing stream key is settings.json")
 	}
 
+	if settings.TitleLength <= 0 {
+		settings.TitleLength = 50
+	}
+
 	// Save admin password to file
 	if err = settings.Save(); err != nil {
 		panic("Unable to save settings: " + err.Error())
diff --git a/settings_example.json b/settings_example.json
index a2fbba8..3153988 100644
--- a/settings_example.json
+++ b/settings_example.json
@@ -1,7 +1,8 @@
 {
 	"MaxMessageCount": 300,
+    "TitleLength": 50,
 	"AdminPassword": "",
 	"Bans": [],
 	"StreamKey": "ALongStreamKey",
 	"ListenAddress": ":8089"
-}
\ No newline at end of file
+}