What is the best way to access the authData while deleting a user from Firebase?

Previously, when deleting data from Firebase, I used the following code:

MyFirebaseRef.on('child_removed', function (oldChildSnapshot) {
     /* oldChildSnapshot => the data that's been erased */
});

Now, however, I want to achieve the same effect when removing a user, specifically accessing the user-related data, such as the UID. I've attempted the following approach:

MyFirebaseRef.removeUser({
  email: "EMAIL",
  password: "PASSWORD"
}, function (error, authData) {
    if (error === null) {
        console.log("User removed successfully", authData.uid);
    } else {
        console.log("Error removing user:", error);
    }
  }
});

Unfortunately, authData is undefined, making it impossible to retrieve the UID. Is there a way to accomplish this task?

Answer №1

If you are using the removeUser method in Firebase, keep in mind that the authData parameter is not returned.

However, if your user data is stored in Firebase, you can retrieve the uid by searching for the user's email address.

{
  "users": {
    "a8562a24-3a56-4b60-b9f3-00042908fd0e": {
      "name": "KJ",
      "email": "<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c0abaaa9b3a1b7a5b3afada580abaaeea3afad">[email protected]</a>"
    }
  }
}

You can now search for the user using their email address.

var kjsEmail = '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1c7776756f7d6b796f7371795c7776327f7371">[email protected]</a>';
var ref = new Firebase('<my-firebase-app>.firebaseio.com/users');
ref.orderByChild('email').equalTo(kjsEmail).once(function(snap) {
  console.log(snap.val()); // user data
  console.log(snap.key()); // uid
});

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