views.py 文件源码

def get(self, request, *args, **kwargs):
        """Process checkout when view triggered by GET request."""
        logger = logging.getLogger('django')

        try:
            self.item = Lendable(type=self.kwargs.get('item_subtype', None),
                                 user=self.request.user)

            self.item.checkout()
            self.item.save()
        except Exception as e:
            messages.error(request, e)
            logger.exception('%s: %s' % (type(e).__name__, e))
            return redirect(reverse('library:index'))
        else:
            messages.success(
                request,
                "'%s' is checked out to you until %s." %
                (self.item.name,
                 formatting_filters.format_date(self.item.due_on))
            )

        return super(CheckoutView, self).get(request, *args, **kwargs)