private void Subscribe()
{
// create an instance of the topic helper
var helper = ServiceBusTopicHelper.Setup(SubscriptionInitializer.Initialize());
// send the message into the topic
helper.Subscribe<PizzaOrder>((order) =>
{
// save the order
var context = new EnterprisePizzaDataContext();
context.Orders.Add(order);
context.SaveChanges();
// write out a note
Console.WriteLine("Order {0} just taken with {1} pizza(s)",
order.Id,
order.Pizzas.Count);
// now notify the store of the new order
order.IsOrdered = true;
// publish the messages as saved but not received yet
helper.Publish<PizzaOrder>(order, (m) =>
{
m.Properties["IsOrdered"] = true;
m.Properties["IsReceivedByStore"] = false;
});
}
, "(IsOrdered = false) AND (IsReceivedByStore = false)",
"NewPizzaOrders"
);
}
public static OrderItem ConvertOrderToViewModel(PizzaOrder order)
{
// get the ingredients from the database
var dataContext = new EnterprisePizzaDataContext();
var ingredients = dataContext.AvailableIngredients.ToList();
// build the object we'll throw into the service bus topic
var item = new OrderItem
{
OrderId = order.Id,
ClientIdentifier = order.ClientIdentifier.Value
};
// add the pizzas to the order
order.Pizzas.ForEach(p =>
{
var pizzaItem = new PizzaItem
{
PizzaId = p.Id
};
// add the sections to the pizza
p.Sections.ForEach(s =>
{
var sectionItem = new SectionItem();
s.Ingredients.ForEach(i =>
{
sectionItem.Toppings.Add(
ingredients.First(x =>
x.Id == i.AvailableIngredientId).Name);
});
pizzaItem.Sections.Add(sectionItem);
});
item.Pizzas.Add(pizzaItem);
});
return item;
}