Help with tracking user session

[floral rampart]

I'm working on a project with next.js and prisma (PostgreSQL), for authentication I use (NEXTAUTH),

I just want to know how to track a user's session (Its duration - start and end time each time he enters site)

and this is because i want to calculate the DAU (Daily active users), and other purposes, if anybody gives me ideas i'd be so thankful.

thanks in advance.

[rancid mulch]

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[modern thunder]

you can add custom parameters to your next-auth session. When you create the session get the current time and put that current time inside the session. Thats your startTime. Now you can check inside your middleware the session, get the value and compare it with the current time. Like that you got a "endTime" (not really, but you get the point). If you substract it from each other you can get the duration.

At the end you have: startTime, endTime and duration

[floral rampart]

but i will struggle with advanced cases, for example. what if the user logs into the website, then his PC sleeps ? it won't never end, i should then specify what is the endtime (browser closed - logout - network disconnection, etc...)

[modern thunder]

the session itself already have a expires value in it. So if the user leaves his PC it will be expire after the expires time. Depending on your auth method (session or JWT) you might be able to do other stuff as well

[floral rampart]

its actaully JWT,

please do you have ressources that can help me ? i didnt find this on documentation.

[modern thunder]

log your session clientside. You can see an user object and the authenticaed state and (what I mentioned) the expires date

[raven helm]

@floral rampart I would recommend you to integrate analytics tools like GA, Log Rocket or MixPanel ...

[near cliff]

https://posthog.com/

[modern thunder]

@floral rampart solved? Please mark solution: