public override void HandleOrderSoup(OrderSoupIntent intent, Action <OrderSoupIntentResponse> completion)
{
var soup = intent.Soup;
if (soup is null)
{
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Failure, null));
return;
}
var order = Order.FromOrderSoupIntent(intent);
if (order is null)
{
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Failure, null));
return;
}
// The handle method is also an appropriate place to handle payment
// via Apple Pay. A declined payment is another example of a
// failure case that could take advantage of a custom response.
// Place the soup order via the order manager.
var orderManager = new SoupOrderDataManager();
orderManager.PlaceOrder(order);
// For the success case, we want to indicate a wait time to the
// user so that they know when their soup order will be ready.
// This sample uses a hardcoded value, but your implementation could
// use a time interval returned by your server.
completion(OrderSoupIntentResponse.SuccessIntentResponseWithSoup(soup, 10));
}
public static Order FromOrderSoupIntent(OrderSoupIntent intent)
{
var menuManager = new SoupMenuManager();
var soupID = intent.Soup?.Identifier;
if (soupID is null)
{
return(null);
}
var menuItem = menuManager.FindItem(soupID);
if (menuItem is null)
{
return(null);
}
var quantity = intent.Quantity;
if (menuItem is null)
{
return(null);
}
MenuItemOption[] rawOptions;
if (intent.Options is null)
{
rawOptions = new MenuItemOption[0];
}
else
{
// For the equivalent code in Apple's Swift sample, compactMap
// is used. This eliminates nil values from the final result.
// Here, LINQ's Where method is used to filter out the null
// values.
rawOptions = intent.Options.Select <INObject, MenuItemOption>((option) => {
var optionID = option.Identifier;
return((optionID is null) ? null : new MenuItemOption(optionID));
}).Where((option) => !(option is null)).ToArray <MenuItemOption>();
}
var order = new Order(quantity.Int32Value, menuItem, new NSMutableSet <MenuItemOption>(rawOptions));
return(order);
}
override public void ConfirmOrderSoup(OrderSoupIntent intent, Action <OrderSoupIntentResponse> completion)
{
// The confirm phase provides an opportunity for you to perform any
// final validation of the intent parameters and to verify that any
// needed services are available. You might confirm that you can
// communicate with your company’s server.
var soupMenuManager = new SoupMenuManager();
var soup = intent.Soup;
if (soup is null)
{
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Failure, null));
return;
}
var identifier = soup.Identifier;
if (identifier is null)
{
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Failure, null));
return;
}
var menuItem = soupMenuManager.FindItem(identifier);
if (menuItem is null)
{
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Failure, null));
return;
}
if (!menuItem.IsAvailable)
{
// Here's an example of how to use a custom response for a
// failure case when a particular soup item is unavailable.
completion(OrderSoupIntentResponse.FailureSoupUnavailableIntentResponseWithSoup(soup));
return;
}
// Once the intent is validated, indicate that the intent is ready
// to handle.
completion(new OrderSoupIntentResponse(OrderSoupIntentResponseCode.Ready, null));
}
CGSize DisplayOrderConfirmation(Order order, OrderSoupIntent intent, OrderSoupIntentResponse response)
{
confirmationView.ItemNameLabel.Text = order.MenuItem.LocalizedString;
confirmationView.TotalPriceLabel.Text = order.LocalizedCurrencyValue;
confirmationView.ImageView.Layer.CornerRadius = 8;
var waitTime = response.WaitTime;
if (!(waitTime is null))
{
confirmationView.TimeLabel.Text = $"{waitTime} Minutes";
}
var intentImage = intent.GetImage("soup");
if (!(intentImage is null))
{
var weakThis = new WeakReference <IntentViewController>(this);
intentImage.FetchImage((image) =>
{
DispatchQueue.MainQueue.DispatchAsync(() =>
{
if (weakThis.TryGetTarget(out var intentViewController))
{
// NOTE: In the original Swift-based sample,
// the original code sets this image on the
// invoice view, which seems incorrect.
intentViewController.confirmationView.ImageView.Image = image;
}
});
});
}
View.AddSubview(confirmationView);
var width = this.ExtensionContext?.GetHostedViewMaximumAllowedSize().Width ?? 320;
var frame = new CGRect(0, 0, width, 170);
confirmationView.Frame = frame;
return(frame.Size);
}
CGSize DisplayInvoice(Order order, OrderSoupIntent intent)
{
invoiceView.ItemNameLabel.Text = order.MenuItem.LocalizedString;
invoiceView.TotalPriceLabel.Text = order.LocalizedCurrencyValue;
invoiceView.UnitPriceLabel.Text = $"{order.Quantity} @ {order.MenuItem.LocalizedCurrencyValue}";
var intentImage = intent.GetImage("soup");
if (!(intentImage is null))
{
var weakThis = new WeakReference <IntentViewController>(this);
intentImage.FetchImage((image) =>
{
DispatchQueue.MainQueue.DispatchAsync(() =>
{
if (weakThis.TryGetTarget(out var intentViewController))
{
intentViewController.invoiceView.ImageView.Image = image;
}
});
});
}
var optionText = (!(intent.Options is null)) ? order.LocalizedOptionString : "";
invoiceView.OptionsLabel.Text = optionText;
View.AddSubview(invoiceView);
var width = this.ExtensionContext?.GetHostedViewMaximumAllowedSize().Width ?? 320;
var frame = new CGRect(0, 0, width, 170);
invoiceView.Frame = frame;
return(frame.Size);
}
