Adding days to a Firebase time-stamp.

[kevin]

I am using the JavaScript API is it possible to add days to a Firebase time-stamp. 

[Jacob Wenger]

Hey Kevin,

No, you cannot. The push IDs you are referring to are meant to be used as unique, chronologically sorted IDs, not timestamps. If you want timestamps, you'll have to store them yourself.

Jacob

On Sun, Dec 7, 2014 at 8:20 PM, kevin <kyou...@gmail.com> wrote:

I am using the JavaScript API is it possible to add days to a Firebase time-stamp. 

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[kevin]

Thanks Jacob

What i am trying to figure out is Firebase timestamp is the same as this in javascript.

var time = new Date();
var newdate=Date(time.setDate(time.getDate()+12));
var cdate = new Date(newdate).getTime();

Please correct me if I am wrong.  Because I am trying to create a search that will search for the whole month in the database.

[Jacob Wenger]

Hey Kevin,

It is not clear what you are referring to when you say "Firebase timestamp." I assumed your meant the push ID generated by calling ref.push().key(). As I said, those are meant to be used as unique, chronologically sorted IDs, not timestamps. Are you referring to those or to something else?

Jacob

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[Rich D]

He may be referring to Firebase.ServerValue.TIMESTAMP

[kevin]

Sorry for the confusion I was wondering if the Firebase Timestamp is similar as the JavaScript Date(); object?

With the following code below just using plain JavaScript.  I wanted to generate a Firebase timestamp if possible.

var time = new Date();
var newdate=Date(time.setDate(time.getDate()+12));
var cdate = new Date(newdate).getTime();

On Sunday, December 7, 2014 11:20:46 PM UTC-5, kevin wrote:

[Jacob Wenger]

Hey Kevin,

I apologize for my confusion. Thanks for helping clear that up Rick!

Yes, Firebase.ServerValue.TIMESTAMP is very similar to new Date().getTime(). However, the value is generated on our servers, meaning that you can easily avoid differences in client's internal times. You can easily convert the value generated by Firebase.ServerValue.TIMESTAMP by storing it in a variable called timestamp and doing new Date(timestamp).getTime(). Then you can treat it like any other Date object.

Note that we also have a now variable in our Security Rules which you may find useful.

Jacob

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