public List<NullableFact> AggregateFactsBySalesComponent(List<NullableFact> facts, List<Relation> salesComponentRelations)
{
var hierarchy = new Hierarchy(salesComponentRelations);
var aggregator = new Aggregator(hierarchy);
var results = new List<NullableFact>();
foreach (var parent in salesComponentRelations.Select(s => s.Parent).Distinct())
{
results.AddRange(aggregator.Aggregate(facts, parent));
}
facts.AddRange(results);
return facts;
}
