class ChartJSExample(TimeSeriesReport):
    report_title = _("ChartJS Examples ")
    report_description = _("The same time-series data visualised with Chart.js. "
                           "Switching chart engines requires only setting"
                           "chart_engine='chartsjs' on the report class.")

    chart_engine = "chartsjs"
    chart_settings = [
        Chart(
            "Client Sales",
            Chart.BAR,
            data_source=["sum__value"],
            title_source=["name"],
        ),
        Chart(
            "Total Sales [Pie]",
            Chart.PIE,
            data_source=["sum__value"],
            title_source=["name"],
            plot_total=True,
        ),
        Chart(
            "Total Sales [Line total]",
            Chart.LINE,
            data_source=["sum__value"],
            title_source=["name"],
            plot_total=True,
        ),
    ]