From fdb57230a363d1326f597253bb230f0e7e325aee Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sat, 15 Apr 2017 20:21:57 +0200
Subject: Add support for edited messages (mattermost)

---
 bridge/mattermost/mattermost.go |  6 +++++-
 matterbridge.toml.sample        |  8 ++++++++
 matterclient/matterclient.go    | 14 ++++++++++++--
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/bridge/mattermost/mattermost.go b/bridge/mattermost/mattermost.go
index b9d082e3..31c8b603 100644
--- a/bridge/mattermost/mattermost.go
+++ b/bridge/mattermost/mattermost.go
@@ -143,12 +143,16 @@ func (b *Bmattermost) handleMatterClient(mchan chan *MMMessage) {
 		}
 		// do not post our own messages back to irc
 		// only listen to message from our team
-		if message.Raw.Event == "posted" && b.mc.User.Username != message.Username && message.Raw.Data["team_id"].(string) == b.TeamId {
+		if (message.Raw.Event == "posted" || message.Raw.Event == "post_edited") &&
+			b.mc.User.Username != message.Username && message.Raw.Data["team_id"].(string) == b.TeamId {
 			flog.Debugf("Receiving from matterclient %#v", message)
 			m := &MMMessage{}
 			m.Username = message.Username
 			m.Channel = message.Channel
 			m.Text = message.Text
+			if message.Raw.Event == "post_edited" && !b.Config.EditDisable {
+				m.Text = message.Text + b.Config.EditSuffix
+			}
 			if len(message.Post.FileIds) > 0 {
 				for _, link := range b.mc.GetPublicLinks(message.Post.FileIds) {
 					m.Text = m.Text + "\n" + link
diff --git a/matterbridge.toml.sample b/matterbridge.toml.sample
index 69c18164..33a01fc5 100644
--- a/matterbridge.toml.sample
+++ b/matterbridge.toml.sample
@@ -241,6 +241,14 @@ NicksPerRow=4
 #OPTIONAL (default false)
 PrefixMessagesWithNick=false
 
+#Disable sending of edits to other bridges
+#OPTIONAL (default false)
+EditDisable=false
+
+#Message to be appended to every edited message
+#OPTIONAL (default empty)
+EditSuffix=" (edited)"
+
 #Nicks you want to ignore. 
 #Messages from those users will not be sent to other bridges.
 #OPTIONAL
diff --git a/matterclient/matterclient.go b/matterclient/matterclient.go
index a066d654..d234fb34 100644
--- a/matterclient/matterclient.go
+++ b/matterclient/matterclient.go
@@ -251,7 +251,7 @@ func (m *MMClient) WsReceiver() {
 
 func (m *MMClient) parseMessage(rmsg *Message) {
 	switch rmsg.Raw.Event {
-	case model.WEBSOCKET_EVENT_POSTED:
+	case model.WEBSOCKET_EVENT_POSTED, model.WEBSOCKET_EVENT_POST_EDITED:
 		m.parseActionPost(rmsg)
 		/*
 			case model.ACTION_USER_REMOVED:
@@ -280,7 +280,17 @@ func (m *MMClient) parseActionPost(rmsg *Message) {
 	rmsg.Username = m.GetUser(data.UserId).Username
 	rmsg.Channel = m.GetChannelName(data.ChannelId)
 	rmsg.Type = data.Type
-	rmsg.Team = m.GetTeamName(rmsg.Raw.Data["team_id"].(string))
+	teamid, _ := rmsg.Raw.Data["team_id"].(string)
+	// edit messsages have no team_id for some reason
+	if teamid == "" {
+		// we can find the team_id from the channelid
+		result, _ := m.Client.GetChannel(data.ChannelId, "")
+		teamid = result.Data.(*model.ChannelData).Channel.TeamId
+		rmsg.Raw.Data["team_id"] = teamid
+	}
+	if teamid != "" {
+		rmsg.Team = m.GetTeamName(teamid)
+	}
 	// direct message
 	if rmsg.Raw.Data["channel_type"] == "D" {
 		rmsg.Channel = m.GetUser(data.UserId).Username
-- 
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