Removes all objects in this table.
        This action first displays a confirmation page;
        next, it deletes all objects and redirects back to the change list.

def purge_objects(self, request):
        """
        Removes all objects in this table.
        This action first displays a confirmation page;
        next, it deletes all objects and redirects back to the change list.
        """

        def truncate_table(model):
            if settings.TRUNCATE_TABLE_SQL_STATEMENT:
                from django.db import connection
                sql = settings.TRUNCATE_TABLE_SQL_STATEMENT.format(db_table=model._meta.db_table)
                cursor = connection.cursor()
                cursor.execute(sql)
            else:
                model.objects.all().delete()

        modeladmin = self
        opts = modeladmin.model._meta

        # Check that the user has delete permission for the actual model
        if not request.user.is_superuser:
           raise PermissionDenied
        if not modeladmin.has_delete_permission(request):
            raise PermissionDenied

        # If the user has already confirmed or cancelled the deletion,
        # (eventually) do the deletion and return to the change list view again.
        if request.method == 'POST':
            if 'btn-confirm' in request.POST:
                try:
                    n = modeladmin.model.objects.count()
                    truncate_table(modeladmin.model)
                    modeladmin.message_user(request, _("Successfully removed %d rows" % n), messages.SUCCESS);
                except Exception as e:
                    modeladmin.message_user(request, _(u'ERROR') + ': %r' % e, messages.ERROR)
            else:
                modeladmin.message_user(request, _("Action cancelled by user"), messages.SUCCESS);
            return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (opts.app_label, opts.model_name)))

        context = {
            "title": _("Purge all %s ... are you sure?") % opts.verbose_name_plural,
            "opts": opts,
            "app_label": opts.app_label,
        }

        # Display the confirmation page
        return render(
            request,
            'admin/easyaudit/purge_confirmation.html',
            context
        )