msgconv,handewhatsapp: Bridge "Live photos" as GIFs (#845)

Co-authored-by: Tulir Asokan <[email protected]>

Author: purpshell

pkg/connector/handlewhatsapp.go

@@ -316,6 +316,8 @@ func (wa *WhatsAppClient) handleWAMessage(ctx context.Context, evt *events.Messa
 		evt.Message = &waE2E.Message{
 			ProtocolMessage: protocolMsg,
 		}
+	} else if assocType == waE2E.MessageAssociation_MOTION_PHOTO {
+		evt.Message = evt.Message.GetAssociatedChildMessage().GetMessage()
 	}
 
 	parsedMessageType := getMessageType(evt.Message)

pkg/msgconv/wa-media.go

@@ -302,7 +302,8 @@ func prepareMediaMessage(rawMsg MediaMessage) *PreparedMedia {
 		}
 	case *waE2E.VideoMessage:
 		data.MsgType = event.MsgVideo
-		if msg.GetGifPlayback() {
+		pairedMediaType := msg.GetContextInfo().GetPairedMediaType()
+		if msg.GetGifPlayback() || pairedMediaType == waE2E.ContextInfo_MOTION_PHOTO_PARENT || pairedMediaType == waE2E.ContextInfo_MOTION_PHOTO_CHILD {
 			extraInfo["fi.mau.gif"] = true
 			extraInfo["fi.mau.loop"] = true
 			extraInfo["fi.mau.autoplay"] = true