do not emtpy list before receiving new food

Author: FabianGosebrink

src/AspNetCoreAngular2/wwwroot/app/components/food/foodcomponent.ts

@@ -84,8 +84,7 @@ export class FoodComponent implements OnInit {
             this.getAllFood();
         });
 
-        this._signalRService.foodchanged.subscribe(() => {
-            this.foodItems = [];
+        this._signalRService.foodchanged.subscribe((data) => {
             this.getAllFood();
         });
     }

src/AspNetCoreAngular2/wwwroot/app/services/signalRService.ts

@@ -49,7 +49,7 @@ export class SignalRService {
 
     private registerOnServerEvents(): void {
         this.proxy.on('FoodAdded', (data) => {
-            this.foodchanged.emit('this could be data');
+            this.foodchanged.emit(data);
         });
 
         this.proxy.on('FoodDeleted', (data) => {