From 50935dd45662eee7a66f5ea12f440c78b1266a4f Mon Sep 17 00:00:00 2001
From: David Kaltschmidt <david.kaltschmidt@gmail.com>
Date: Tue, 10 May 2016 18:33:42 +0200
Subject: [PATCH] Fetch topologies sequentially on search

---
 client/app/scripts/utils/web-api-utils.js | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/client/app/scripts/utils/web-api-utils.js b/client/app/scripts/utils/web-api-utils.js
index 570ac25a5..f54a70357 100644
--- a/client/app/scripts/utils/web-api-utils.js
+++ b/client/app/scripts/utils/web-api-utils.js
@@ -102,12 +102,15 @@ function createWebsocket(topologyUrl, optionsQuery, dispatch) {
 export function getAllNodes(getState, dispatch) {
   const state = getState();
   const topologyOptions = state.get('topologyOptions');
-  state.get('topologyUrlsById').forEach((topologyUrl, topologyId) => {
-    const optionsQuery = buildOptionsQuery(topologyOptions.get(topologyId));
-    fetch(`${topologyUrl}?${optionsQuery}`)
-      .then(response => response.json())
-      .then(json => dispatch(receiveNodesForTopology(json.nodes, topologyId)));
-  });
+  // fetch sequentially
+  state.get('topologyUrlsById')
+    .reduce((sequence, topologyUrl, topologyId) => sequence.then(() => {
+      const optionsQuery = buildOptionsQuery(topologyOptions.get(topologyId));
+      return fetch(`${topologyUrl}?${optionsQuery}`);
+    })
+    .then(response => response.json())
+    .then(json => dispatch(receiveNodesForTopology(json.nodes, topologyId))),
+    Promise.resolve());
 }
 
 export function getTopologies(options, dispatch) {