Return analytic status #71

server/src/controllers/analytics_controller.ts

@@ -89,3 +89,7 @@ export async function runPredict(id: AnalyticUnit.AnalyticUnitId) {
   AnalyticUnit.setPredictionTime(id, result.lastPredictionTime);
   return result.segments;
 }
+
+export function isAnalyticReady(): boolean {
+  return analyticsService.ready;
+}

server/src/index.ts

@@ -2,6 +2,8 @@ import { router as anomaliesRouter } from './routes/analytic_units_router';
 import { router as segmentsRouter } from './routes/segments_router';
 import { router as alertsRouter } from './routes/alerts_router';
 
+import * as AnalyticsController from './controllers/analytics_controller';
+
 import * as Data from './services/data_service';
 
 import { HASTIC_PORT } from './config';
@@ -29,7 +31,11 @@ rootRouter.use('/analyticUnits', anomaliesRouter.routes(), anomaliesRouter.allow
 rootRouter.use('/segments', segmentsRouter.routes(), segmentsRouter.allowedMethods());
 rootRouter.use('/alerts', alertsRouter.routes(), alertsRouter.allowedMethods());
 rootRouter.get('/', async (ctx) => {
-  ctx.response.body = { status: 'Ok' };
+
+  ctx.response.body = { 
+    server: 'Ok', 
+    analyticsReady: AnalyticsController.isAnalyticReady()
+  };
 });
 
 app

server/src/services/analytics_service.ts

@@ -10,6 +10,7 @@ import * as path from 'path';
 export class AnalyticsService {
 
   private _requester: any;
+  private _ready: boolean = false;
 
 
   constructor(private _onResponse: (response: any) => void) {
@@ -17,6 +18,9 @@ export class AnalyticsService {
   }
 
   public async sendTask(msgObj: any): Promise<void> {
+    if(!this._ready) {
+      return Promise.reject("Analytics is not ready");
+    }
     let message = JSON.stringify(msgObj);
     return this.sendMessage(message);
   }
@@ -38,6 +42,8 @@ export class AnalyticsService {
     this._requester.close();
   }
 
+  public get ready() { return this._ready; }
+
   private async _initConnection() {
     this._requester = zmq.socket('pair');
 
@@ -55,6 +61,8 @@ export class AnalyticsService {
 
     this._requester.on("message", this._onAnalyticsMessage.bind(this));
 
+    this._ready = true;
+
   }
 
   private async _connectToAnalytics() {