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import { Injectable } from '@angular/core'; |
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import { AngularFireAuth } from '@angular/fire/auth'; |
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import { AngularFirestore, AngularFirestoreDocument, } from '@angular/fire/firestore'; |
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import * as firebase from 'firebase'; |
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import { Observable, of } from 'rxjs'; |
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import { switchMap } from 'rxjs/operators'; |
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import { FirebaseUserModel, UserModel } from '..'; |
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import { IStorageConcreteProviderOptions } from './i-storage-concrete-provider-options'; |
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import { IStorageProvider } from './i-storage-provider'; |
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import { IStorageProviderOptions } from './i-storage-provider-options'; |
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@Injectable({ |
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providedIn: 'root', |
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}) |
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export class FirebaseStorage<User extends UserModel = UserModel> |
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implements IStorageProvider<User> { |
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options: IStorageConcreteProviderOptions = { |
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userTable: 'users', |
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} |
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public constructor( |
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protected angularFireAuth: AngularFireAuth, |
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protected angularFirestore: AngularFirestore, |
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) { |
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} |
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public async updateStoredDataByUser(user: User): Promise<void> { |
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if (user.uid) { |
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const userRef = this.getUserRef(user.uid); |
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const data = new FirebaseUserModel({ |
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displayName: user.displayName, |
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email: user.email, |
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photoURL: user.photoURL, |
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uid: user.uid, |
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}); |
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return userRef.set(Object.assign({}, data), {merge: true}); |
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} else { |
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return; |
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} |
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} |
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public getUserRef( |
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userUid: string, |
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): AngularFirestoreDocument<FirebaseUserModel> { |
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if (this.options.userTable === null) { |
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throw new Error('userTable is not specified!'); |
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} |
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return this.angularFirestore |
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.collection(this.options.userTable) |
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.doc(userUid); |
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} |
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public updateStoredDataByFirebaseUser(firebaseUser: firebase.User): Promise<void> { |
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if (firebaseUser.uid) { |
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const userRef = this.getUserRef(firebaseUser.uid); |
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const data = new FirebaseUserModel({ |
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displayName: firebaseUser.displayName, |
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email: firebaseUser.email, |
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photoURL: firebaseUser.photoURL, |
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uid: firebaseUser.uid, |
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}); |
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return userRef.set(Object.assign({}, data), { |
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merge: true, |
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}); |
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} else { |
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throw new Error('Firebase user has no UID.'); |
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} |
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} |
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public fetchUser(): Promise<User | unknown | null> { |
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return this.subscribeUser().toPromise(); |
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} |
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public subscribeUser(): Observable<User | unknown | null> { |
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// Get the auth state, then fetch the Firestore user document or return null |
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return this.angularFireAuth.authState.pipe( |
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switchMap((user: any) => { |
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if (user) { |
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// User is logged in |
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return this.angularFirestore |
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.doc<FirebaseUserModel>( |
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`${this.options.userTable}/${user.uid}`, |
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) |
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.valueChanges() |
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.pipe( |
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switchMap((userFirebase: any) => { |
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return new Observable(subscriber => { |
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subscriber.next( |
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Object.assign<User, any>( |
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this.getNewUser(), |
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userFirebase, |
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), |
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); |
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subscriber.complete(); |
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}); |
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}), |
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); |
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} |
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// Logged out |
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return of(null); |
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}), |
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); |
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} |
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/** |
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* Override this method if you want to use custom model class |
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*/ |
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protected getNewUser(): User { |
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return new UserModel() as User; |
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} |
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} |
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cothema /
ionic-universal-firebase-login
