def edit_presentation(request, presentation_id):
presentation = get_object_or_404(Presentation, pk=presentation_id)
success = False
edit = True
if request.method == "POST":
presentation_form = PresentationForm(request.POST)
if presentation_form.is_valid():
presentation_form = PresentationForm(request.POST, instance=presentation)
presentation_form.save()
success = True
else:
presentation_form = PresentationForm(instance=presentation)
ctx = {
'success': success,
'presentation_form': presentation_form,
'edit': edit,
}
return render_to_response('presentation/add_presentation.html', ctx)
