Retrieving information from Firebase after updating it

Question

Retrieving information from Firebase after updating it

My goal is to automatically navigate to a specific ID after adding an item to my realtime database.

Despite following the documentation's proposed solution, I am encountering issues with its implementation.

Following the use of the push().set() method on my database reference, I attempted to create a callback function that retrieves the unique ID generated by this method and uses it for navigation.

db.ref.push().set({
    ...
}).then(function(){
    router.navigate('ref/' + db.ref.key)
})

Once a new object has been created at that reference point, I aim to utilize the firebase-generated ID to navigate to a specific route associated with that ID.

javascript firebase firebase-realtime-database

Answer 1

Answer №1

It appears that the issue lies in the fact that db.ref.push() generates a brand new Reference object containing a unique identifier, rather than directly retrieving the ID value itself. To address this, you can restructure your code as follows:

let newReference = db.ref.push();
newReference.set({
  ...
})
.then( () => {
  // Access the newly created reference using "newReference"
  // The unique ID is stored in the variable "id"
  let id = newReference.key;

  // Utilize the ID within your application logic
});

Answer 2

It appears that the issue lies in the fact that db.ref.push() generates a brand new Reference object containing a unique identifier, rather than directly retrieving the ID value itself. To address this, you can restructure your code as follows:

let newReference = db.ref.push();
newReference.set({
  ...
})
.then( () => {
  // Access the newly created reference using "newReference"
  // The unique ID is stored in the variable "id"
  let id = newReference.key;

  // Utilize the ID within your application logic
});

Answer 3

Answer №2

establish

establish(data, callback) => returns firebase.Promise containing void

It is accurate that the operation should be seen as completed with a callback, but the promise will not return any key.

You can still chain this event like so:

db.ref.push().establish({
    ...
}).getKey().then(response => console.log(response))

Answer 4

establish

establish(data, callback) => returns firebase.Promise containing void

It is accurate that the operation should be seen as completed with a callback, but the promise will not return any key.

You can still chain this event like so:

db.ref.push().establish({
    ...
}).getKey().then(response => console.log(response))

Retrieving information from Firebase after updating it

Answer №1

Answer №2

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