From c8d7fdeedcc2fe596055da000bfa8c23c4ba5cab Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 6 Feb 2022 17:33:41 +0100
Subject: Add UseUsername option (mattermost). Fixes #1665 (#1714)

---
 bridge/config/config.go       |  2 +-
 bridge/mattermost/handlers.go | 12 ++++++++----
 matterbridge.toml.sample      |  4 ++++
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/bridge/config/config.go b/bridge/config/config.go
index 16b397f3..18c60920 100644
--- a/bridge/config/config.go
+++ b/bridge/config/config.go
@@ -170,7 +170,7 @@ type Protocol struct {
 	UseTLS                 bool       // IRC
 	UseDiscriminator       bool       // discord
 	UseFirstName           bool       // telegram
-	UseUserName            bool       // discord, matrix
+	UseUserName            bool       // discord, matrix, mattermost
 	UseInsecureURL         bool       // telegram
 	UserName               string     // IRC
 	VerboseJoinPart        bool       // IRC
diff --git a/bridge/mattermost/handlers.go b/bridge/mattermost/handlers.go
index 5ad40115..00c9445d 100644
--- a/bridge/mattermost/handlers.go
+++ b/bridge/mattermost/handlers.go
@@ -177,8 +177,10 @@ func (b *Bmattermost) handleMatterClient(messages chan *config.Message) {
 		}
 
 		// Use nickname instead of username if defined
-		if nick := b.mc.GetNickName(rmsg.UserID); nick != "" {
-			rmsg.Username = nick
+		if !b.GetBool("useusername") {
+			if nick := b.mc.GetNickName(rmsg.UserID); nick != "" {
+				rmsg.Username = nick
+			}
 		}
 
 		messages <- rmsg
@@ -232,8 +234,10 @@ func (b *Bmattermost) handleMatterClient6(messages chan *config.Message) {
 		}
 
 		// Use nickname instead of username if defined
-		if nick := b.mc6.GetNickName(rmsg.UserID); nick != "" {
-			rmsg.Username = nick
+		if !b.GetBool("useusername") {
+			if nick := b.mc6.GetNickName(rmsg.UserID); nick != "" {
+				rmsg.Username = nick
+			}
 		}
 
 		messages <- rmsg
diff --git a/matterbridge.toml.sample b/matterbridge.toml.sample
index 8bc0f6c1..63a614d1 100644
--- a/matterbridge.toml.sample
+++ b/matterbridge.toml.sample
@@ -408,6 +408,10 @@ SkipTLSVerify=true
 ## RELOADABLE SETTINGS
 ## Settings below can be reloaded by editing the file
 
+# UseUserName shows the username instead of the server nickname
+# OPTIONAL (default false)
+UseUserName=false
+
 #how to format the list of IRC nicks when displayed in mattermost.
 #Possible options are "table" and "plain"
 #OPTIONAL (default plain)
-- 
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