Fix chart data source key for local storage

Author: terratec

main/http_server/axe-os/src/app/components/home/home.component.ts

@@ -19,6 +19,8 @@ import { chartLabelValue } from 'src/models/enum/eChartLabel';
 import { chartLabelKey } from 'src/models/enum/eChartLabel';
 import { LocalStorageService } from 'src/app/local-storage.service';
 
+const HOME_CHART_DATA_SOURCES = 'HOME_CHART_DATA_SOURCES';
+
 @Component({
   selector: 'app-home',
   templateUrl: './home.component.html',
@@ -84,7 +86,7 @@ export class HomeComponent implements OnInit, OnDestroy {
     this.pageDefaultTitle = this.titleService.getTitle();
     this.loadingService.loading$.next(true);
 
-    let dataSources = this.storageService.getItem('chartDataSources');
+    let dataSources = this.storageService.getItem(HOME_CHART_DATA_SOURCES);
     if (dataSources === null) {
       dataSources = `{"chartY1Data":"${chartLabelKey(eChartLabel.hashrate)}",`;
       dataSources += `"chartY2Data":"${chartLabelKey(eChartLabel.asicTemp)}"}`;
@@ -136,7 +138,7 @@ export class HomeComponent implements OnInit, OnDestroy {
   public updateSystem() {
     const form = this.form.getRawValue();
 
-    this.storageService.setItem('chartDataSources', JSON.stringify(form));
+    this.storageService.setItem(HOME_CHART_DATA_SOURCES, JSON.stringify(form));
 
     this.systemService.updateSystem(this.uri, form)
       .pipe(this.loadingService.lockUIUntilComplete())