/**
 * Copyright 2020 Google LLC
 *
 * Licensed 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
 *
 *     https://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 { Component , OnDestroy } from '@angular/core' ; import { FirebaseUISignInFailure } from 'firebaseui-angular' ; import { OnInit } from '@angular/core' ; import { Observable } from 'rxjs' ; import { AuthService } from './../../services/auth/auth.service' ; import { filter } from 'rxjs/operators' ; import { Subscription } from 'rxjs' ; import { NavigationService } from '../../services/navigation/navigation.service' ; @ Component ( { templateUrl : './sign-in-page.component.html' , styleUrls : [ './sign-in-page.component.css' ] , } ) export class SignInPageComponent implements OnInit , OnDestroy { private subscription = new Subscription ( ) ; constructor ( private authService , private navigationService ) { } ngOnInit ( ) { this . subscription . add ( this . authService . isAuthenticated$ ( ) . pipe ( filter ( isAuth => isAuth ) ) . subscribe ( ( ) => this . navigationService . navigateToProjectList ( ) ) ) ; } ngOnDestroy ( ) { this . subscription . unsubscribe ( ) ; } isAuthenticated$ ( ) { return this . authService . isAuthenticated$ ( ) ; } errorCallback ( errorData ) { alert ( `Sign in error ${ errorData . code }` ) ; } }