From e62b9b4f653bf90872f8da79c348c2e53a4dc79d Mon Sep 17 00:00:00 2001
From: Patrick Connolly <patrick.c.connolly@gmail.com>
Date: Thu, 25 Oct 2018 21:16:31 +0800
Subject: [PATCH] Don't show translation when result is identical string.

---
 gateway/translation.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gateway/translation.go b/gateway/translation.go
index f32ebe29..2c265229 100644
--- a/gateway/translation.go
+++ b/gateway/translation.go
@@ -195,6 +195,13 @@ func (gw *Gateway) handleTranslation(msg *config.Message, dest *bridge.Bridge, c
 	text = html.UnescapeString(text)
 	flog.Debugf("post-unescaped:"+text)
 
+	// Don't show translation if only whitespace/caps different.
+	// eg. messages with only emoji, links, or untranslatable gibberish
+	if strings.ToLower(strings.Replace(text, " ", "", -1)) == strings.ToLower(strings.Replace(msg.Text, " ", "", -1)) {
+		msg.IsTranslation = false
+		return
+	}
+
 	if dest.Protocol == "slack" {
 		// Attribution will be in attachment for Slack
 	} else {