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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