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September 16, 2022 15:04
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Angular Firebase Auth Service
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import { Injectable } from '@angular/core'; | |
import { | |
Auth, authState, createUserWithEmailAndPassword, GoogleAuthProvider, OAuthCredential, | |
signInWithCredential, signInWithEmailAndPassword, signInWithPopup, signOut | |
} from '@angular/fire/auth'; | |
import { FirebaseAuthentication } from '@capacitor-firebase/authentication'; | |
import { Capacitor } from '@capacitor/core'; | |
import { AlertController, LoadingController } from '@ionic/angular'; | |
import { switchMap } from 'rxjs/operators'; | |
import { UserService } from './user.service'; | |
@Injectable({ | |
providedIn: 'root' | |
}) | |
export class AuthService { | |
constructor( | |
private auth: Auth, | |
private alertCtrl: AlertController, | |
private userService: UserService, | |
private loadingCtrl: LoadingController | |
) { | |
authState(this.auth) | |
.pipe(switchMap(user => this.userService.getUserData(user))) | |
.subscribe({ | |
next: user => { | |
if (user) { | |
this.userService.currentUser.next(user); | |
} else { | |
this.userService.currentUser.next(null); | |
} | |
console.log('currentUser', this.userService.currentUser.value); | |
} | |
}); | |
} | |
registerUserWithEmailAndPassword(email: string, password: string) { | |
createUserWithEmailAndPassword(this.auth, email, password) | |
.then(userCredential => this.userService.getUserData(userCredential.user)) | |
.catch(err => this.showErrorAlert(err)); | |
} | |
signInUserWithEmailAndPassword(email: string, password: string) { | |
signInWithEmailAndPassword(this.auth, email, password) | |
.then(userCredential => this.userService.getUserData(userCredential.user)) | |
.catch(err => this.showErrorAlert(err)); | |
} | |
async signInWithGoogle() { | |
const isNativePlatform = Capacitor.isNativePlatform(); | |
const loading = await this.loadingCtrl.create(); | |
loading.present(); | |
if (isNativePlatform) { | |
const result = await FirebaseAuthentication.signInWithGoogle(); | |
const oAuthCreds: OAuthCredential = GoogleAuthProvider.credential(result.credential?.idToken); | |
signInWithCredential(this.auth, oAuthCreds) | |
.then(userCredential => this.userService.getUserData(userCredential.user)) | |
.then(() => loading.dismiss()) | |
.catch(err => this.showErrorAlert(err)); | |
} else { | |
signInWithPopup(this.auth, new GoogleAuthProvider()) | |
.then(userCredential => this.userService.getUserData(userCredential.user)) | |
.then(() => loading.dismiss()) | |
.catch(err => this.showErrorAlert(err)); | |
} | |
}; | |
async signOut() { | |
await FirebaseAuthentication.signOut(); | |
await signOut(this.auth); | |
} | |
private showErrorAlert(error: any) { | |
console.log(error); | |
this.alertCtrl.create({ | |
header: error.error.message, | |
message: error.error.error, | |
buttons: ['OK'] | |
}).then(alert => alert.present()); | |
} | |
} |
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