/// <summary>Dismiss current card and fetch next one.</summary>
/// <returns>Whether any cards are available</returns>
/// <exception cref="System.InvalidOperationException">No card available (Current is null).</exception>
public Task <bool> DismissAsync()
{
Card card = Current;
if (card == null)
{
throw new InvalidOperationException("Card unavailable");
}
NextAction[CurrentList] = () => CurrentList.DismissAsync();
CurrentList = null;
// Create review log before dismiss
ReviewLog log = CreateLog(card);
// Actually dismiss card
CardAction cardAction = card.Dismiss();
// Complete log with updated values
CompleteLog(log, card, Grade.Dismiss);
#pragma warning disable 4014
// Save changes to Database
UpdateCardAsync(log, card, cardAction);
#pragma warning restore 4014
return(DoNextAsync());
}