private void AttachMyStuffToObsv(IObservable <StocksService.Stock> stockdata)
{
var obsv = stockdata.
Select(st => new StockViewModel(st));
obsv.Subscribe(st =>
{
this.TickerList.Add(st);
});
obsv.Where(svm => MyWatchListSymbols.Contains(svm.Symbol)).
Subscribe(svm => MyWatchList.Add(svm));
}
// Load stocks the loooong way...
// Method has several reasons to change:
// 1. What if the service model class (Stock) changes?
// 2. What if the service method changes?
// 3. What if the logic for adding to the ticker list changes?
// 4. What if the logic for adding the My Watch List changes?
public async Task LoadStocksEnumerable()
{
this.IsLoading = true;
var stocks = await _Service.GetAllStocks();
foreach (var stock in stocks)
{
StockViewModel svm = new StockViewModel(stock);
TickerList.Add(svm);
if (MyWatchListSymbols.Contains(svm.Symbol))
{
MyWatchList.Add(svm);
}
}
this.IsLoading = false;
}
