IEnumerable <Map> MapSelectionsWithTimeOfDayMenu(Menu menu, OrderTicket OrderTicket)
{
var menuItems = menu.GetMenuItems(OrderTicket.TimeOfDay);
ThrowIfTimeOfDayIsMissingMenu(menuItems);
return(from selection in OrderTicket.Dishes
join menuItem in menuItems on selection equals
menuItem.DishType into map
from item in map.DefaultIfEmpty()
select new Map(selection, item));
}
public Order ProcessOrder(OrderTicket Olist)
{
return(_processOrder(_menu, Olist));
}