From 2c349c50c72ad2eb503d08bd59e4fc98b3c7e9a0 Mon Sep 17 00:00:00 2001
From: Joseph Mansy <36427684+yousefmansy1@users.noreply.github.com>
Date: Fri, 10 Mar 2023 13:28:32 -0800
Subject: [PATCH] Support handling delete message from whatsapp. (#1986)

---
 bridge/whatsappmulti/handlers.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/bridge/whatsappmulti/handlers.go b/bridge/whatsappmulti/handlers.go
index b8e78572..d99c6727 100644
--- a/bridge/whatsappmulti/handlers.go
+++ b/bridge/whatsappmulti/handlers.go
@@ -44,6 +44,8 @@ func (b *Bwhatsapp) handleMessage(message *events.Message) {
 		b.handleDocumentMessage(message)
 	case msg.ImageMessage != nil:
 		b.handleImageMessage(message)
+	case msg.ProtocolMessage != nil && *msg.ProtocolMessage.Type == proto.ProtocolMessage_REVOKE:
+		b.handleDelete(msg.ProtocolMessage)
 	}
 }
 
@@ -359,3 +361,20 @@ func (b *Bwhatsapp) handleDocumentMessage(msg *events.Message) {
 
 	b.Remote <- rmsg
 }
+
+func (b *Bwhatsapp) handleDelete(messageInfo *proto.ProtocolMessage) {
+	sender, _ := types.ParseJID(*messageInfo.Key.Participant)
+
+	rmsg := config.Message{
+		Account:  b.Account,
+		Protocol: b.Protocol,
+		ID:       getMessageIdFormat(sender, *messageInfo.Key.Id),
+		Event:    config.EventMsgDelete,
+		Text:     config.EventMsgDelete,
+		Channel:  *messageInfo.Key.RemoteJid,
+	}
+
+	b.Log.Debugf("<= Sending message from %s to gateway", b.Account)
+	b.Log.Debugf("<= Message is %#v", rmsg)
+	b.Remote <- rmsg
+}