Error encountered while trying to access the user information from Firestore/Firebase

When I attempt to display the current user that is logged in

 console.log(firebase.auth().currentUser.uid)

The user's UID is outputted.
I then decided to retrieve the current user's information from Firestore using the following code:

  import firebase from 'firebase/app'
  import "firebase/auth"
  import db from '../firebase/firebaseInit'

  async getCurrentUser(){
    const database = 
    db.collection('users').doc(firebase.auth().currentUser.uid)
    const dbResults = await database.get()
    console.log(dbResults.data())
}

However, the result was undefined

javascriptdatabasefirebasevue.jsgoogle-cloud-firestore

Answer №1

db.collection("users").where("userId", "==","enter the ID here")
    .get()
    .then((querySnapshot) => {
        querySnapshot.forEach((doc) => {
           
            console.log(doc.id, " => ", doc.data());
        });
    })
    .catch((error) => {
        console.log("Error fetching documents: ", error);
    });

Answer №2

  1. Have you created a user collection in your Firestore database to store user information? Make sure to store the user's uid within it as Firestore does not do this automatically.

  2. Is your database properly configured? Have you been able to establish connections using other methods with the current db function?

Furthermore, it is recommended to rename your database variable to docRef and your result variable to docSnap for clarity and best practices as they refer to specific documents!

Answer №3

To retrieve the user id from the stored collection labeled as userId, you may attempt the following query:

db.collection('users').where('userId', '==', firebase.auth().currentUser.uid)

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