Hi,
I have been working my way through the tango with django tutorial, which I
have to say I have found to be excellent.
http://www.tangowithdjango.com/book/chapters/tango_too.html
There is one section (above link) whereby you track the number of times a
url has been clicked. This is done by publishing links to an internal url,
and routing that through a track/redirect view which converts and redirects
to the real url and increments the page views at the same time.
However, safari was doing this on an inconsistent basis but seemed to work
when the browser was first opened. After debugging this for a while I
concluded the problem was not the code but my safari browser. It occurred
to me that safari does this weird caching thing where you can go
back/forward through pages immediately. On switching to Chrome the page
counts increment as expected. I have tried setting 'disable caches' in the
Develop menu in safari to no effect
Can someone with more experience than me explain why I am seeing these
effects, and what a real world cross-browser solution to tracking page
views would be?
The relevant code is below:
1. Track/redirect view:
*def* track_url(request):
context = RequestContext(request)
page_id = None
url = '/rango/'
*if* request.method == 'GET':
*if* 'page_id' *in* request.GET:
page_id = request.GET['page_id']
*try*:
page = Page.objects.get(id=page_id)
page.views = page.views + 1
page.save()
url = page.url
*except*:
*pass*
*return* redirect(url)
2. The internal url published in template:
{% if pages %}
*<ul>*
{% for page in pages %}
*<li>*
*<a* href="/rango/goto/?page_id={{page.id}}"*>*{{page.title}}*</a>*
{% if page.views > 1 %}
- ({{ page.views }} views)
{% elif page.views == 1 %}
- ({{ page.views }} view)
{% endif %}
*</li>*
{% endfor %}
*</ul>*
{% else %}
*<strong>*No pages currently in category.*</strong><br/>*
{% endif %}
Thanks,
Andy
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