def edit_article(request, slug):
article = None
params = {}
try:
# Enables case-insentivity
article = Article.objects.get(slug__iexact=slug)
if article.slug != slug:
return HttpResponseRedirect(reverse('edit_article', args=[article.slug]))
except Article.DoesNotExist:
title = slug.replace('_', ' ')
article = Article(title=title, creator=request.user)
if request.method == 'GET':
# Check mutual exclusion
lock = cache.get(article.title, None)
if lock is None:
lock = EditLock(article.title, request)
elif not lock.is_mine(request):
print "Possible editing conflict. Another user started editing", lock.created_at
params['locked'] = xslt_param_builder("True")
format = "%d %b %Y %H:%M:%S"
params['lock_created'] = xslt_param_builder( lock.created_at.strftime(format) )
elif request.method == 'POST':
article.title = request.POST['title']
article.content = request.POST['content']
article.save()
cache.delete(article.title)
view_url = reverse('view_article', args=[article.slug])
return HttpResponseRedirect(view_url)
view_url = reverse('view_article', args=[slug])
params['viewurl'] = xslt_param_builder(view_url)
return render_to_response('edit_article.xsl', article, params)
