public async void ShowUserSelectedCard(CardViewModel card)
{
try
{
AutoLoop = false;
// Clone to new instance
card = card.Clone() as CardViewModel;
if (QueuedAndCurrentCards.Count < 2)
{
QueuedAndCurrentCards.Insert(0, card);
}
else
{
QueuedAndCurrentCards[0] = card;
}
// Wait a little so animation occurs
await Task.Delay(200);
await RotateAndSendAsync();
}
catch { }
}
private async Task RotateAndSendAsync()
{
try
{
// Add a new queued card if needed
if (QueuedAndCurrentCards.Count <= 2)
{
QueuedAndCurrentCards.Insert(0, FindNewCardFromGallery());
}
// If we have enough cards
if (QueuedAndCurrentCards.Count >= 2)
{
// Remove the current
QueuedAndCurrentCards.Remove(QueuedAndCurrentCards.Last());
// Grab the to-send one
var toSend = QueuedAndCurrentCards.Last();
// Flag it as current
CurrentCard = toSend;
// Send the new current
await SendCardAsync(toSend);
}
}
catch { }
}
private CardViewModel FindNewCardFromGallery()
{
var notInUpNextQueue = GalleryCards.Where(gc => !QueuedAndCurrentCards.Any(existing => existing.Equals(gc))).ToArray();
return(notInUpNextQueue[new Random().Next(0, notInUpNextQueue.Length)].Clone() as CardViewModel);
}