Adding time to Firestore serverTimestamp()

Question

Is there a way to add time to a server timestamp without using cloud functions?

What I want is to update a timestamp from a panel, and have the user side check if th

Answer 1

I'm a pretty old newb, and this is the first question I've read where I might be able to offer something. I really appreciate everything I've leaned here...

You can't alter timestamps but you can change the timestamps to UNIX time and manipulate them on the server side during doc creation.

ref.add({expires: firebase.firestore.Timestamp.now().toMillis() + 5000})

Then query based on expires from the front end. Probably not ideal, but when you only have the front end to work with...