128 lines
4.3 KiB
Dart
128 lines
4.3 KiB
Dart
import 'package:aitrainer_app/model/cache.dart';
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import 'package:aitrainer_app/service/logging.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:firebase_core/firebase_core.dart';
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import 'package:flutter_facebook_auth/flutter_facebook_auth.dart';
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class FirebaseApi with Logging {
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static FirebaseApi _instance;
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static final FirebaseAuth auth = FirebaseAuth.instance;
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static const String SIGN_IN_OK = "OK";
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static const String SIGN_IN_NOT_FOUND = "user-not-found";
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static const String SIGN_IN_WRONG_PWD = "wrong-password";
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static const String REGISTER_WEAK_PWD = "weak-password";
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static const String REGISTER_EMAIL_IN_USE = "email-already-in-use";
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UserCredential userCredential;
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factory FirebaseApi() => _instance ?? FirebaseApi._internal();
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FirebaseApi._internal() {
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_instance = this;
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}
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// Define an async function to initialize FlutterFire
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Future<void> initializeFlutterFire() async {
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try {
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// Wait for Firebase to initialize and set `_initialized` state to true
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await Firebase.initializeApp();
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} catch (e) {
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// Set `_error` state to true if Firebase initialization fails
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log("Error initializing Firebase");
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}
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}
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Future<String> signInEmail(String email, String password) async {
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if (email == null) {
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throw Exception("Please type an email address");
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}
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if (password == null) {
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throw Exception("Password too short");
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}
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String rc = SIGN_IN_OK;
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try {
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userCredential = await FirebaseAuth.instance.signInWithEmailAndPassword(email: email, password: password);
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Cache().firebaseUid = userCredential.user.uid;
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} on FirebaseAuthException catch (e) {
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if (e.code == 'user-not-found') {
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log('No user found for that email.');
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rc = SIGN_IN_NOT_FOUND;
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} else if (e.code == 'wrong-password') {
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log('Wrong password provided for that user.');
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rc = SIGN_IN_WRONG_PWD;
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throw Exception("Customer does not exist or the password is wrong");
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}
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return e.code;
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}
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return rc;
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}
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Future<String> registerEmail(String email, String password) async {
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String rc = SIGN_IN_OK;
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try {
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userCredential = await FirebaseAuth.instance.createUserWithEmailAndPassword(email: email, password: password);
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Cache().firebaseUid = userCredential.user.uid;
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} on FirebaseAuthException catch (e) {
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if (e.code == 'weak-password') {
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log('The password provided is too weak.');
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rc = REGISTER_WEAK_PWD;
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throw Exception("Password too short");
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} else if (e.code == 'email-already-in-use') {
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log('The account already exists for that email.');
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rc = REGISTER_EMAIL_IN_USE;
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throw Exception("The email address has been registered already");
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}
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} catch (e) {
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log(e);
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throw Exception(e.toString());
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}
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return rc;
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}
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Future<Map<String, dynamic>> signInWithFacebook() async {
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Map<String, dynamic> userData;
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try {
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// by default the login method has the next permissions ['email','public_profile']
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AccessToken accessToken = await FacebookAuth.instance.login();
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if (accessToken != null) {
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log(accessToken.toJson().toString());
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Cache().accessTokenFacebook = accessToken;
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// get the user data
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userData = await FacebookAuth.instance.getUserData();
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Cache().facebookUid = userData['id'];
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log(userData.toString());
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} else {
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throw Exception("Facebook login was not successful");
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}
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} on FacebookAuthException catch (e) {
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switch (e.errorCode) {
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case FacebookAuthErrorCode.OPERATION_IN_PROGRESS:
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throw Exception("You have a previous Facebook login operation in progress");
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break;
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case FacebookAuthErrorCode.CANCELLED:
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throw Exception("Facebook login cancelled");
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break;
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case FacebookAuthErrorCode.FAILED:
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throw Exception("Facebook login failed");
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break;
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}
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}
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return userData;
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}
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Future<void> logOutFacebook() async {
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await FacebookAuth.instance.logOut();
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Cache().accessTokenFacebook = null;
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}
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Future<void> signOut() async {
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await FirebaseAuth.instance.signOut();
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}
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Future<void> resetPassword(String email) async {
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await FirebaseAuth.instance.sendPasswordResetEmail(email: email);
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}
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}
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