signInWithApple method

@override Future<Either<AuthFailure, ExaAuthUser?>> signInWithApple({ required String clientId, })

Signs in using Apple authentication.

Implementation

@override
Future<Either<AuthFailure, ExaAuthUser?>> signInWithApple(
    {required String clientId}) async {
  try {
    final rawNonce = generateNonce();
    final nonce = _sha256ofString(rawNonce);
    AuthorizationCredentialAppleID? appleIdCredential;
    try {
      final currentUser = firebaseAuth.currentUser;
      await currentUser?.delete();
      appleIdCredential = await SignInWithApple.getAppleIDCredential(
        nonce: nonce,
        scopes: [
          AppleIDAuthorizationScopes.email,
          AppleIDAuthorizationScopes.fullName,
        ],
      );
    } catch (e) {
      return left(_resolveException(
          exception: null,
          stackTrace: null,
          locale: 'getAppleIDCredential',
          sigInType: SigInType.apple));
    }
    final oauthCredential = OAuthProvider('apple.com').credential(
      rawNonce: rawNonce,
      idToken: appleIdCredential.identityToken,
    );
    if (ExaAuth.onlyCredential) {
      return right(ExaAuthUser.withCredential(
        credential: oauthCredential,
        rawNonce: rawNonce,
        idToken: appleIdCredential.identityToken,
      ));
    } else {
      final userCredential = await _signInWithCredential(oauthCredential);
      return right(_resolveUser(firebaseUser: userCredential.user));
    }
  } catch (exception, stackTrace) {
    return left(_resolveException(
        exception: exception,
        stackTrace: stackTrace,
        locale: 'signInWithApple',
        sigInType: SigInType.apple));
  }
}