On Jan 30, 11:23 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
wrote:
> Well, if I were doing it by hand, every time they came to the site I
> would set this_visit, and then set last_visit (or last_seen, or
> whatever) to the previous value of this_visit, and I would only do it
> once, when they first come to the site.
The question, then, is how to determine "when they first come to the
site."
Right now, you determine that by saying, "If the last_seen variable is
older than 4 hours, then this user was last seen right now." Note
that they may have clicked just a second ago, when the last_seen
variable was 3:59:59 old. Their next click will bump the 'last_seen'
variable. Not what you want.
You probably want to store the most recent request timestamp as part
of the session. Something like:
request.session['last_request'] = datetime.now()
Then, you need to figure out when your 'last_seen' session variable
should be updated. It might be something like:
if (now - last_request) > (60 * 60 * 4): # if the last request is 4+
hours old...
request.session['last_seen'] = last_request
Handle your base case, where there is no 'last_request' (and thus no
last_seen), and you should be good.
Hope that helps.
And remember the advice listed by an earlier post-er. Design your
algorithm on paper. Think it through. Write some psuedo code. Run
some mental 'unit tests'. Then go code it.
Regards,
Doug Van Horn, President
http://www.maydigital.com/ ~~ http://www.limapapa.com/
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