| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import {Injectable} from '@angular/core'; |
| import {ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot} from '@angular/router'; |
| import {Observable} from 'rxjs/Observable'; |
| |
| import {AuthService} from '@app/services/auth.service'; |
| |
| /** |
| * The goal of this guard service is to prevent to display the login screen when the user is logged in. |
| */ |
| @Injectable() |
| export class LoginScreenGuardService implements CanActivate { |
| |
| constructor(private authService: AuthService, private router: Router) {} |
| |
| canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> { |
| return this.authService.isAuthorized().map((isAuthorized: boolean) => { |
| if (isAuthorized && state.url === '/login') { |
| this.router.navigate(['/']); |
| } |
| return !isAuthorized; |
| }); |
| } |
| |
| } |