public async void Delete(DashboardPrediction prediction)
{
if (await this.PersistenceService.DeleteStockWithId(prediction.StockId))
{
Messenger.Default.Send(new TrainStatusMessage($"Deleted {prediction.Name}"));
this.Refresh();
}
else
{
Messenger.Default.Send(new TrainStatusMessage($"Could not delete {prediction.Name}"));
}
}
public void NavigateToTrainView(DashboardPrediction prediction)
{
this.NavigationService.Navigate("TrainView", null, prediction, this, true);
}
private async Task LoadData()
{
try
{
if (this._cancellationTokenSource != null && this._cancellationTokenSource.Token.CanBeCanceled && !this._cancellationTokenSource.IsCancellationRequested)
{
this._cancellationTokenSource.Cancel();
return;
}
this._cancellationTokenSource = new CancellationTokenSource();
this.IsBusy = true;
await this.LoadSettings().ConfigureAwait(false);
this.SetPortfolio();
// get list of all saved predictions
var listBestPredictionsDtos = await this.PersistenceService.GetBestNetworkDTOs().ConfigureAwait(false);
this.Predictions = new ObservableCollection <DashboardPrediction>();
// for each
foreach (var dto in listBestPredictionsDtos)
{
if (this._cancellationTokenSource.Token.IsCancellationRequested)
{
return;
}
var stock = await this.PersistenceService.GetStockFromId(dto.StockId);
stock.HistoricalData = await this.DownloaderService.GetHistoricalData(stock, this._settings.StartDate, DateTime.Now, true).ConfigureAwait(false);
var dashboardPrediction = new DashboardPrediction {
Symbol = stock.Symbol, Name = stock.Name, StockId = stock.GetUniqueId()
};
lock (Locker)
{
Application.Current.Dispatcher?.Invoke(() => this.Predictions.Add(dashboardPrediction));
}
TrainingSession trainingSession;
try
{
trainingSession = await Task.Run(() => new TrainingSession(this.Portfolio, stock, dto, this._settings)).ConfigureAwait(false);
}
catch (Exception ex)
{
Messenger.Default.Send(new TrainStatusMessage($"Could setup training session for stock {stock.Name}: {ex.Message}", SeverityEnum.Error));
trainingSession = new TrainingSession(this.Portfolio, stock);
}
dashboardPrediction.TrainingSession = trainingSession;
dashboardPrediction.Close = trainingSession.Stock.HistoricalData?.Quotes?.LastOrDefault().Value?.Close ?? 0d;
dashboardPrediction.LastTrainingDate = dto.Timestamp;
if (trainingSession.Stock.HistoricalData != null)
{
dashboardPrediction.LastUpdate = trainingSession.Stock.HistoricalData.EndDate;
}
}
}
finally
{
this.IsBusy = false;
this._cancellationTokenSource = null;
}
}
public bool CanDelete(DashboardPrediction prediction)
{
return(prediction != null);
}