private async Task Initialize()
{
var whiteCardTask = _cardReader.GetWhiteCardsAsync();
var blackCardTask = _cardReader.GetBlackCardsAsync();
_customWhiteCards = new ConcurrentDictionary <string, IDictionary <Guid, WhiteCard> >();
var whiteCardParseTask = (await whiteCardTask).ToConcurrentDictionaryAsync(k => k.WhiteCardId, v => v);
var blackCardParseTask = (await blackCardTask).ToConcurrentDictionaryAsync(k => k.BlackCardId, v => v);
_whiteCards = await whiteCardParseTask;
_blackCards = await blackCardParseTask;
_isInitialized = true;
}
