public TradesByTimeViewer(ITradeService tradeService, ISchedulerProvider schedulerProvider)
{
_schedulerProvider = schedulerProvider;
var groupController = new GroupController();
var grouperRefresher = Observable.Interval(TimeSpan.FromSeconds(1))
.Subscribe(_ => groupController.RefreshGroup());
var loader = tradeService.Trades.Connect()
.Group(trade =>
{
var diff = DateTime.Now.Subtract(trade.Timestamp);
if (diff.TotalSeconds <= 60) return TimePeriod.LastMinute;
if (diff.TotalMinutes <= 60) return TimePeriod.LastHour;
return TimePeriod.Older;
}, groupController)
.Transform(group => new TradesByTime(group, _schedulerProvider))
.Sort(SortExpressionComparer<TradesByTime>.Ascending(t => t.Period))
.ObserveOn(_schedulerProvider.Dispatcher)
.Bind(_data)
.DisposeMany()
.Subscribe();
_cleanUp = new CompositeDisposable(loader, grouperRefresher);
}
public TradesByPercentViewer(INearToMarketService nearToMarketService, ISchedulerProvider schedulerProvider)
{
_schedulerProvider = schedulerProvider;
var groupController = new GroupController();
var grouperRefresher = Observable.Interval(TimeSpan.FromSeconds(1))
.Subscribe(_ => groupController.RefreshGroup());
var loader = nearToMarketService.Query(() => 6)
.Group(trade => (int)Math.Truncate(Math.Abs(trade.PercentFromMarket)), groupController)
.Transform(group => new Domain.Model.TradesByPercentDiff(group, _schedulerProvider))
.Sort(SortExpressionComparer<Domain.Model.TradesByPercentDiff>.Ascending(t => t.PercentBand),SortOptimisations.ComparesImmutableValuesOnly)
.ObserveOn(_schedulerProvider.Dispatcher)
.Bind(_data)
.DisposeMany()
.Subscribe();
;
_cleanUp = new CompositeDisposable(loader, grouperRefresher);
}