Show untranslated text in attachment when using Slack.

bridge/config/config.go

@@ -38,6 +38,7 @@ type Message struct {
 	Timestamp         time.Time `json:"timestamp"`
 	ID                string    `json:"id"`
 	Extra             map[string][]interface{}
+	TranslationSrcMsg *Message
 }
 
 type FileInfo struct {

bridge/slack/slack.go

@@ -230,6 +230,11 @@ func (b *Bslack) Send(msg config.Message) (string, error) {
 	np.Attachments = append(np.Attachments, slack.Attachment{CallbackID: "matterbridge_" + b.uuid})
 	// add file attachments
 	np.Attachments = append(np.Attachments, b.createAttach(msg.Extra)...)
+	// add translation attachment
+	if msg.TranslationSrcMsg != nil {
+		// If source, then we're doing a translation
+		np.Attachments = append(np.Attachments, b.createTranslationAttach(msg))
+	}
 	// add slack attachments (from another slack bridge)
 	if msg.Extra != nil {
 		for _, attach := range msg.Extra[sSlackAttachment] {
@@ -285,6 +290,30 @@ func (b *Bslack) createAttach(extra map[string][]interface{}) []slack.Attachment
 	return attachements
 }
 
+func (b *Bslack) createTranslationAttach(msg config.Message) slack.Attachment {
+	untranslatedTextPreview := msg.TranslationSrcMsg.Text[:100]+"..."
+	ch, err := b.getChannelByName(msg.TranslationSrcMsg.Channel)
+	time := strings.Split(msg.TranslationSrcMsg.ID, " ")[1]
+	params := slack.PermalinkParameters{
+		Channel: ch.ID,
+		Ts: time,
+	}
+	b.Log.Debugf("Generating permalink...")
+	permalink, err := b.sc.GetPermalink(&params)
+	if err != nil {
+		b.Log.Println(err)
+	}
+
+	attach := slack.Attachment{
+		Fallback: trimmed,
+		Text: fmt.Sprintf("<%s|%s>", permalink, untranslatedTextPreview),
+		Footer: "g0v Translation Bridge"+b.Config.General.TranslationAttribution,
+		FooterIcon: "https://emoji.slack-edge.com/T02G2SXKM/g0v/541e38dfc833f04b.png",
+	}
+
+	return attach
+}
+
 func extractStringField(data map[string]interface{}, field string) string {
 	if rawValue, found := data[field]; found {
 		if value, ok := rawValue.(string); ok {

gateway/gateway.go

@@ -334,7 +334,9 @@ func (gw *Gateway) handleMessage(msg config.Message, dest *bridge.Bridge) []*BrM
 		msg.ID = ""
 		msg.Text = origmsg.Text
 
+		// Translation
 		if (gw.Router.GTClient != nil) && (channel.Options.Locale != "") && (msg.Text != "") {
+			msg.TranslationSrcMsg = &origmsg
 
 			ctx := context.Background()
 
@@ -489,7 +491,11 @@ func (gw *Gateway) handleMessage(msg config.Message, dest *bridge.Bridge) []*BrM
 				text = html.UnescapeString(text)
 				flog.Debugf("post-unescaped:"+text)
 
+				if dest.Protocol == "slack" {
+					// Attribution will be in attachment for Slack
+				} else {
 					text = text + gw.Router.General.TranslationAttribution
+				}
 
 				msg.Text = text
 			}