Added configurable warning message

src/app/home/home.component.ts

@@ -10,6 +10,7 @@ import { startWith, map } from 'rxjs/operators';
 
 /** Custom Imports. */
 import { activities } from './activities';
+import { WarningDialogComponent } from './warning-dialog/warning-dialog.component';
 
 /** Custom Services */
 import { AuthenticationService } from '../core/authentication/authentication.service';
@@ -62,7 +63,7 @@ export class HomeComponent implements OnInit, AfterViewInit {
               private router: Router,
               private dialog: MatDialog,
               private configurationWizardService: ConfigurationWizardService,
-              private popoverService: PopoverService) { }
+              private popoverService: PopoverService,) { }
 
   /**
    * Sets the username of the authenticated user.
@@ -72,6 +73,10 @@ export class HomeComponent implements OnInit, AfterViewInit {
     const credentials = this.authenticationService.getCredentials();
     this.username = credentials.username;
     this.setFilteredActivities();
+    if (!this.authenticationService.hasDialogBeenShown()) {
+      this.dialog.open(WarningDialogComponent);
+      this.authenticationService.showDialog();
+    }
   }
 
   /**