class TimeSeriesReportWithSelector(TimeSeriesReport):
    report_title = _("Time Series Report With Pattern Selector")
    report_description = _("Adds a pattern selector (daily / weekly / bi-weekly / monthly) to the filter form."
                           "users can switch time granularity without changing report code.")
    time_series_selector = True
    time_series_selector_choices = (
        ("daily", _("Daily")),
        ("weekly", _("Weekly")),
        ("bi-weekly", _("Bi-Weekly")),
        ("monthly", _("Monthly")),
    )
    time_series_selector_default = "bi-weekly"

    # The label for the time series selector
    time_series_selector_label = _("Period Pattern")

    # Allow the user to select an empty time series, in which case no time series will be applied to the report.
    time_series_selector_allow_empty = True