private static ImmutableDictionary <int, OrderViewModel> MarkAsDelivered(ImmutableDictionary <int, OrderViewModel> state, DeliveryReceived delivery)
{
if (state.TryGetValue(delivery.Order, out var model))
{
var deliveryMark = new OrderViewModel.OrderItem.Delivery
{
DeliveredOn = delivery.On,
DeliveryId = delivery.Delivery
};
MarkUndeliveredItem(model.FoodOrder, delivery.Items.Food, deliveryMark);
MarkUndeliveredItem(model.DrinkOrder, delivery.Items.Drinks, deliveryMark);
}
return(state);
}
private static void MarkUndeliveredItem(IEnumerable <OrderViewModel.OrderItem> items, IEnumerable <int> deliveryItems, OrderViewModel.OrderItem.Delivery delivery)
{
foreach (var deliveredId in deliveryItems)
{
var undeliveredItem =
items
.Where(x => x.ReceivedAt == null)
.Where(x => x.Id == deliveredId)
.FirstOrDefault();
if (undeliveredItem != null)
{
undeliveredItem.ReceivedAt = delivery;
}
}
}
