public List<NullableFact> Aggregate(List<NullableFact> facts, short parentId)
{
var results = new List<NullableFact>();
var salesComponents = this.hierarchy.GetChildren(parentId).ToList();
salesComponents.RemoveAll(s => s == parentId);
foreach (var group in facts
.Where(f => f.SalesComponentId == null || salesComponents.Contains(f.SalesComponentId.Value))
.GroupBy(f => new { f.ProductId, f.GeographyId, f.TimeId }))
{
var fact = new NullableFact()
{
ProductId = group.Key.ProductId,
GeographyId = group.Key.GeographyId,
TimeId = group.Key.TimeId,
SalesComponentId = parentId,
Value = group.Sum(g => g.Value)
};
results.Add(fact);
}
return results;
}
internal float SumChildren(NullableFact fact)
{
return this.SumChildren(fact.ProductId, fact.GeographyId, fact.SalesComponentId, fact.TimeId);
}