private static DatePeriod GetDatePeriodForRevenueFrom(FulfillmentRequest fulfillmentRequest)
        {
            if (fulfillmentRequest.IsParameterDatePeriod(Constants.Variables.TimeUnit))
            {
                return(fulfillmentRequest.GetParemterAsDatePeriod(Constants.Variables.TimeUnit));
            }

            return(new DatePeriod
            {
                End = DateTime.Today.AddDays(-(int)DateTime.Today.DayOfWeek),
                Start = DateTime.Today.AddDays(-(int)DateTime.Today.DayOfWeek - 6)
            });
        }