| /** |
| * 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 * as fromRoot from '../../../store'; |
| import {Store} from '@ngrx/store'; |
| |
| @Injectable() |
| export class AuthGuard implements CanActivate { |
| |
| constructor(private store: Store<fromRoot.State>, private router: Router) { |
| } |
| |
| waitForAuthentication(): Observable<boolean> { |
| return this.store.select(fromRoot.getAuthenticationLoading) |
| .filter(loading => !loading) |
| .take(1); |
| } |
| |
| canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> { |
| return this.waitForAuthentication() |
| .switchMap(() => this.store.select(fromRoot.getAuthentication) |
| .map(authentication => { |
| if (!authentication) { |
| this.router.navigate(['/login']); |
| return false; |
| } |
| return true; |
| }) |
| ); |
| |
| } |
| } |