Dashboard: server-side data processing

Signed-off-by: Romein van Buren <romein@vburen.nl>

lib/dashboard/socket.js

@@ -5,6 +5,13 @@ const { makeId } = require('core/makeid');
 const decoder = new TextDecoder('utf-8');
 let uws;
 
+const mapService = (s, beat) => ({
+  id: s.id,
+  name: s.name,
+  cluster: s.cluster,
+  lastBeat: beat,
+});
+
 async function createDashboardSocket(server) {
   uws = server.ws({
     route: '/statusdashboard/socket',
@@ -34,21 +41,33 @@ async function createDashboardSocket(server) {
           .find({ webservice: { $in: services.map(s => s.id) } })
           .sort({ date: -1 })
           .toArray();
-        const mappedServices = {};
 
-        for (const s of services) {
-          const lastBeat = heartbeats.find(h => h.webservice === s.id);
-          mappedServices[s.id] = {
-            name: s.name,
-            lastBeat: lastBeat || {},
-            cluster: s.cluster,
-          };
+        const servicesUp = [];
+        const servicesDown = [];
+        const servicesUnknown = [];
+        console.log(heartbeats);
+
+        for (let service of services) {
+          const beat = heartbeats.find(b => b.webservice === service.id);
+          service = mapService(service, beat);
+
+          if (!beat) {
+            servicesUnknown.push(service);
+          }
+          else if (beat.down) {
+            servicesDown.push(service);
+          }
+          else {
+            servicesUp.push(service);
+          }
         }
 
         try {
           ws.send(JSON.stringify({
             cmd: 'data',
-            data: mappedServices,
+            servicesUp,
+            servicesDown,
+            servicesUnknown,
           }));
         }
         catch {