private static void Main(string[] args)
{
var repo = new Repo();
var eventId = new Guid("439263a8-95be-499f-b0d5-926d972bce79");
var events = new List <InventoryEvent> {
new Created("Item 1"),
new Stocked(10),
new Activated(),
new Sold(5)
};
foreach (var @event in events)
{
InventoryItem inventoryItem = repo.Get(eventId);
InventoryItem newState = InventoryItem.Apply(@event, inventoryItem);
repo.Upsert(newState);
}
foreach (var inventoryItem in repo.GetAll())
{
Console.WriteLine(inventoryItem);
}
}
public override void Collect(InventoryItem inventory) => inventory.Apply(statistics);
private static InventoryItem When(InventoryItem state, InventoryEvent @event) => InventoryItem.Apply(@event, state);
