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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using gorilla.infrastructure.threading;
using gorilla.utility;
using solidware.financials.infrastructure;
using solidware.financials.infrastructure.eventing;
using solidware.financials.messages;
using solidware.financials.windows.ui.views.dialogs;
namespace solidware.financials.windows.ui.presenters
{
public class StockWatchPresenter : Presenter, TimerClient, EventSubscriber<CurrentStockPrice>, EventSubscriber<StartWatchingSymbol>
{
UICommandBuilder builder;
Timer timer;
public StockWatchPresenter(UICommandBuilder builder, Timer timer)
{
Stocks = new ObservableCollection<StockViewModel>();
this.builder = builder;
this.timer = timer;
}
public virtual ICollection<StockViewModel> Stocks { get; set; }
public ObservableCommand AddSymbol { get; set; }
public ObservableCommand Refresh { get; set; }
public void present()
{
timer.start_notifying(this, new TimeSpan(0, 1, 0));
AddSymbol = builder.build<AddSymbolCommand>(this);
Refresh = builder.build<RefreshStockPricesCommand>(this);
}
public void notify()
{
Refresh.Execute(this);
}
public void notify(CurrentStockPrice message)
{
Stocks.Single(x => x.IsFor(message.Symbol)).ChangePriceTo(message.Price);
}
public void notify(StartWatchingSymbol message)
{
Stocks.Add(new StockViewModel(symbol: message.Symbol));
}
public class AddSymbolCommand : UICommand<StockWatchPresenter>
{
DialogLauncher launcher;
public AddSymbolCommand(DialogLauncher launcher)
{
this.launcher = launcher;
}
public override void run(StockWatchPresenter presenter)
{
launcher.launch<AddNewStockSymbolPresenter, AddNewStockSymbolDialog>();
}
}
public class RefreshStockPricesCommand : UICommand<StockWatchPresenter>
{
ServiceBus bus;
public RefreshStockPricesCommand(ServiceBus bus)
{
this.bus = bus;
}
public override void run(StockWatchPresenter presenter)
{
presenter.Stocks.each(x => bus.publish(new StockPriceRequestQuery {Symbol = x.Symbol}));
}
}
}
}
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