From f6f8feeada332a55d1a966e9f4a240d99dc58b55 Mon Sep 17 00:00:00 2001
From: Tom Clegg <tom@curoverse.com>
Date: Tue, 15 Nov 2016 16:30:01 -0500
Subject: [PATCH] 8460: Send selected old/new attributes with v0 events.

---
 services/ws/session_v0.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/services/ws/session_v0.go b/services/ws/session_v0.go
index 467d156ee5..3894e30314 100644
--- a/services/ws/session_v0.go
+++ b/services/ws/session_v0.go
@@ -12,6 +12,8 @@ import (
 var (
 	errQueueFull   = errors.New("client queue full")
 	errFrameTooBig = errors.New("frame too big")
+
+	sendObjectAttributes = []string{"state", "name"}
 )
 
 type sessionV0 struct {
@@ -136,6 +138,22 @@ func (sess *sessionV0) EventMessage(e *event) ([]byte, error) {
 	}
 	if detail.Properties != nil && detail.Properties["text"] != nil {
 		msg["properties"] = detail.Properties
+	} else {
+		msgProps := map[string]map[string]interface{}{}
+		for _, ak := range []string{"old_attributes", "new_attributes"} {
+			eventAttrs, ok := detail.Properties[ak].(map[string]interface{})
+			if !ok {
+				continue
+			}
+			msgAttrs := map[string]interface{}{}
+			for _, k := range sendObjectAttributes {
+				if v, ok := eventAttrs[k]; ok {
+					msgAttrs[k] = v
+				}
+			}
+			msgProps[ak] = msgAttrs
+		}
+		msg["properties"] = msgProps
 	}
 	return json.Marshal(msg)
 }
-- 
2.30.2