On 04/03/2014 13:06, Paul J Stevens wrote:
> On 04-03-14 13:28, Some Developer wrote:
>> Hopefully someone here will be able to point me in the right direction.
>>
>> Basically I want to be able to view which users are viewing a page at
>> any given time and I want to be able to update it in real time using
>> JavaScript but I'm at a loss as to how to track which users are viewing
>> any given page in Django.
> So enter some long-polling javascript that notifies the server every X
> seconds that some user is still at the page you're tracking.
>
>> So for instance if I had mydomain.com/page/ I'd like a little box on the
>> top of the page saying "Page being viewed by users: xxx and yyy" and
>> then when one of those users navigates away from the page the box
>> updates to remove that user from the list.
> This means that apart from the "I'm still here", you also need a "Who's
> here at" as well.
>
>> I'm not sure if I have described what I want clearly enough so if you
>> need any more information let me know. Any help is appreciated :).
> So for each page you want to track:
>
> use a settimeout loop in javascript to:
> - do a POST to some mini-view where you register who's at some page. You
> can use the REMOTEUSER (auth-user) to find out who's who, and the
> Referer header to see where they are in your site.
> - this POST returns some data (json?) that will tell you who else is
> there. You can now update your DOM to reflect this information.
>
> If you don't want or care about authenticating users, you can't know who
> is actually at the page, just the number of people, and their IP
> addresses, browser version, etc.
>
> Of course some people have done this before. Maybe check out TogetherJS
> for more real-time collaboration goodies.
>
Thank you for the information; it is helpful. Along with the other tips
here (I hadn't thought of using socket.io which looks really useful) I
should be able to hack something together to get this working.
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