public MainViewModel(INavigationService navigationService
, IDialogService dialogService
, ISymbolService symbolService
, IHistoricalPriceViewModel historicalPriceViewModel
, ISettingsViewModel settings) : base(navigationService, dialogService)
{
PriceViewModel = historicalPriceViewModel;
Settings = settings;
SearchSymbols = ReactiveCommand.CreateFromTask <object, ObservableCollection <BloombergSymbol> >(async _ =>
{
IsLoading = true;
var result = await symbolService.SearchSymbol(Keyword);
IsLoading = false;
return(new ObservableCollection <BloombergSymbol>(result));
}, this.WhenAny(x => x.Keyword, x => !string.IsNullOrEmpty(x.Value)));
SearchSymbols.ThrownExceptions.Subscribe(ex =>
{
Debug.WriteLine(ex.Message);
IsLoading = false;
});
OpenPrices = ReactiveCommand.Create <Unit, Unit>(_ =>
{
SelectedSymbols = Symbols.Where(s => s.Selected);
return(Unit.Default);
});
_symbols = this.WhenAnyObservable(x => x.SearchSymbols)
.ToProperty(this, x => x.Symbols);
}