public IceCreamsViewController(IntPtr handle) : base(handle)
{
var history = IceCreamHistory.Load();
items = history.Reverse()
.Select(s => KeyValue(CollectionViewItem.IceCream, s))
.ToList();
items.Insert(0, KeyValue(CollectionViewItem.Create, (IceCream)null));
}
public void Build(BuildIceCreamViewController controller, IceCreamPart iceCreamPart)
{
var conversation = ActiveConversation;
if (conversation == null)
{
throw new Exception("Expected a conversation");
}
var iceCream = controller.IceCream;
if (iceCream == null)
{
throw new Exception("Expected the controller to be displaying an ice cream");
}
string messageCaption = string.Empty;
var b = iceCreamPart as Base;
var s = iceCreamPart as Scoops;
var t = iceCreamPart as Topping;
if (b != null)
{
iceCream.Base = b;
messageCaption = "Let's build an ice cream";
}
else if (s != null)
{
iceCream.Scoops = s;
messageCaption = "I added some scoops";
}
else if (t != null)
{
iceCream.Topping = t;
messageCaption = "Our finished ice cream";
}
else
{
throw new Exception("Unexpected type of ice cream part selected.");
}
// Create a new message with the same session as any currently selected message.
var message = ComposeMessage(iceCream, messageCaption, conversation.SelectedMessage?.Session);
// Add the message to the conversation.
conversation.InsertMessage(message, null);
// If the ice cream is complete, save it in the history.
if (iceCream.IsComplete)
{
var history = IceCreamHistory.Load();
history.Append(iceCream);
history.Save();
}
Dismiss();
}
public static IceCreamHistory Load()
{
var iceCreams = GetSavedIceCreams().Select(sic => {
var components = NSUrlComponents.FromUrl(new NSUrl(sic), false);
return(new IceCream(components.QueryItems));
}).ToList();
if (iceCreams.Count == 0)
{
iceCreams.Add(new IceCream(BaseType.base01, ScoopsType.scoops05, ToppingType.topping09));
iceCreams.Add(new IceCream(BaseType.base03, ScoopsType.scoops07, ToppingType.topping01));
iceCreams.Add(new IceCream(BaseType.base04, ScoopsType.scoops08, ToppingType.topping07));
iceCreams.Add(new IceCream(BaseType.base02, ScoopsType.scoops03, ToppingType.topping10));
iceCreams.Add(new IceCream(BaseType.base01, ScoopsType.scoops01, ToppingType.topping05));
var historyToSave = new IceCreamHistory(iceCreams);
historyToSave.Save();
}
return(new IceCreamHistory(iceCreams));
}