public static (FilterResult baseFilter, FilterResult topFilter) AdjustFilterToFilter(FilterResult baseFilter, FilterResult topFilter)
{
//Special case for Raptor filter to filter comparisons.
//If base filter is earliest and top filter is latest with a DateTime filter then replace
//base filter with latest with a date filter with the start date at the beginning of time and
//the end date at the original start date. This is to avoid losing data between original start date
//and first event after the start date with data.
if (baseFilter.HasTimeComponent() && (baseFilter.ReturnEarliest ?? false) &&
topFilter.HasTimeComponent() && !(topFilter.ReturnEarliest ?? false))
{
//Note: filters are cached so we need to make a copy to adjust.
var newTopFilter = new FilterResult(topFilter);
newTopFilter.ElevationType = null;
// Adjust the base filter accordingly
var newBaseFilter = new FilterResult(baseFilter);
newBaseFilter.EndUtc = baseFilter.StartUtc;
newBaseFilter.StartUtc = Consts.MIN_DATETIME_AS_UTC;
newBaseFilter.ReturnEarliest = false;
newBaseFilter.ElevationType = null;
return(baseFilter : newBaseFilter, topFilter : newTopFilter);
}
return(baseFilter, topFilter);
}
