private bool ContainsDelivery(Delivery delivery, IEnumerable<Delivery> deliveries)
{
return deliveries.Any(line => line.Id == delivery.Id);
}
public void AppendDeliveries(Delivery delivery)
{
if (Deliveries == null)
{
Deliveries = new List<Delivery>();
}
if (AddDelivery == null)
{
AddDelivery = new List<Delivery>();
}
if (!ContainsDelivery(delivery, Deliveries))
{
Deliveries.Add(delivery);
AddDelivery.Add(delivery);
}
SetWeights();
}
