From 31d2a819f0d09767c32244019972bb09f0eeb190 Mon Sep 17 00:00:00 2001
From: Luke Barnard <lukeb@openmarket.com>
Date: Wed, 7 Sep 2016 17:06:57 +0100
Subject: [PATCH] Get power levels before setting them

---
 src/ScalarMessaging.js | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/ScalarMessaging.js b/src/ScalarMessaging.js
index 1f56239a1c..c994bfe706 100644
--- a/src/ScalarMessaging.js
+++ b/src/ScalarMessaging.js
@@ -123,7 +123,8 @@ Example:
 
 const SdkConfig = require('./SdkConfig');
 const MatrixClientPeg = require("./MatrixClientPeg");
-var dis = require("./dispatcher");
+const MatrixEvent = require("matrix-js-sdk").MatrixEvent;
+const dis = require("./dispatcher");
 
 function sendResponse(event, res) {
     const data = JSON.parse(JSON.stringify(event.data));
@@ -201,12 +202,24 @@ function setBotPower(event, roomId, userId, level) {
         sendError(event, "You need to be logged in.");
         return;
     }
-    client.setPowerLevel(roomId, userId, level).done(() => {
-        sendResponse(event, {
-            success: true,
+
+    client.getStateEvent(roomId, "m.room.power_levels", "").then((rawPowerState) => {
+        console.log(rawPowerState);
+        let powerEvent = new MatrixEvent(
+            {
+                type: "m.room.power_levels",
+                content: rawPowerState,
+            }
+        );
+
+        client.setPowerLevel(roomId, userId, level, powerEvent).done(() => {
+            console.log('Power level has been set');
+            sendResponse(event, {
+                success: true,
+            });
+        }, (err) => {
+            sendError(event, err.message ? err.message : "Failed to send request.", err);
         });
-    }, (err) => {
-        sendError(event, err.message ? err.message : "Failed to send request.", err);
     });
 }