class CrosstabWithIdsCustomFilter(CrosstabReport):
    report_title = _("Crosstab with Custom Filters")
    report_description = _("Replaces per-ID filters with two arbitrary Q-object filters (big vs 'not' big)."
                           "Demonstrates flexibility in breaking down crosstab columns ")
    crosstab_ids_custom_filters = [
        (~Q(product__size__in=["extra_big", "big"]), dict()),
        (None, dict(product__size__in=["extra_big", "big"])),
    ]
    # Note:
    # if crosstab_ids_custom_filters is set, these settings has NO EFFECT
    # crosstab_field = "client"
    # crosstab_ids = [1, 2]
    # crosstab_compute_remainder = True