/// <summary>
/// Track purchases to generate set-generation information.
/// </summary>
private void TrackPurchases(List <ItemPurchaseInformation> purchases)
{
purchases.ForEach(purchase =>
{
if (purchase.EventType != EventType.ItemPurchased)
{
return;
}
// Update the tracker
ItemPurchases.AddOrUpdate(purchase.ItemId,
id =>
{
var tracker = new ItemPurchaseTracker(id);
tracker.Increment(purchase);
return(tracker);
},
(id, tracker) =>
{
tracker.Increment(purchase);
return(tracker);
}
);
});
}
