public SalesTrendsQuery(string filterByProductCode, DateTime filterBySalesDateStart, DateTime filterBySalesDateEnd, TimeAggregationUnit aggregationUnit)
{
FilterByProductCode = filterByProductCode;
FilterBySalesDateStart = filterBySalesDateStart;
FilterBySalesDateEnd = filterBySalesDateEnd;
AggregationUnit = aggregationUnit;
}
public static DateInterval ToDateInterval(this TimeAggregationUnit unit) => unit switch
{
