protected virtual void OnCateringEvent(CateringOrder order, Flight flight)
{
CateringEvent?.Invoke(this, new CateringEventArgs {
Flight = flight, Order = order
});
}
public void PlaceOrder(string airport, int numberOfMeals, DateTime cateringDate, Flight flight)
{
CateringOrder order = new CateringOrder(airport, numberOfMeals, cateringDate);
if (orders.ContainsKey(airport))
{
orders[airport].Add(order);
}
else
{
orders.Add(airport, new List <CateringOrder>()
{
order
});
}
OnCateringEvent(order, flight);
Console.WriteLine($"Ordering {numberOfMeals} meals in {airport}");
}