class CrosstabWithIds(CrosstabReport):
    report_title = _("Cross tab Report With Pre-set Ids")
    report_description = _("Pre-sets the crosstab column IDs to the first and last product via get_crosstab_ids(). "
                           "Useful when you want a known set of columns resolved at request time.")

    def get_crosstab_ids(self):
        return [Product.objects.first().pk, Product.objects.last().pk]