public void Apply(ItemAddedToBasket @event, long _)
{
var itemAlreadyInBasket = _items.ContainsKey(@event.ProductId);
if (itemAlreadyInBasket)
{
AddQuantityToItemInBasket(@event);
}
else
{
AddNewItemToBasket(@event);
}
}
private void AddQuantityToItemInBasket(ItemAddedToBasket @event)
{
_items[@event.ProductId] = _items[@event.ProductId].AddQuantity(@event.Quantity);
}
private void AddNewItemToBasket(ItemAddedToBasket @event)
{
var orderItem = new BasketItem(@event.ProductId, @event.Quantity, @event.ProductTitle, @event.Price);
_items.Add(orderItem.ProductId, orderItem);
}
