139. Login component - test if user is logged in already (#18)

support-portal-frontend/src/app/component/login/login.component.ts

@@ -1,15 +1,31 @@
-import {Component, OnInit} from '@angular/core';
+import {Component, OnDestroy, OnInit} from '@angular/core';
+import {Router} from "@angular/router";
+import {AuthenticationService} from "../../service/authentication.service";
+import {NotificationService} from "../../service/notification.service";
+import {NotificationType} from "../../notification/notification-type";
 
 @Component({
   selector: 'app-login',
   templateUrl: './login.component.html',
   styleUrls: ['./login.component.css']
 })
-export class LoginComponent implements OnInit {
+export class LoginComponent implements OnInit, OnDestroy {
 
-  constructor() { }
+  constructor(private router: Router,
+              private authenticationService: AuthenticationService,
+              private notificationService: NotificationService) {
+  }
 
   ngOnInit(): void {
+    if (this.authenticationService.isUserLoggedIn()) {
+      this.router.navigateByUrl("/user/management");
+      this.notificationService.notify(NotificationType.INFO, "You are already logged in");
+    } else {
+      // this.router.navigateByUrl("/login");
+    }
+  }
+
+  ngOnDestroy(): void {
   }
 
 }