public static void RefreshTable(StockCollection stockCollection, V_GetStockPriceDelegate getStockPrice, ListView listViewStocks)
{
var stockValues = V_StockValuator.GetStockValues(stockCollection, getStockPrice);
var lineInfos = V_Formatter.GetLineInfos(stockValues);
var listViewItems = lineInfos.Select(CreateListViewItem).ToArray();
listViewStocks.Items.Clear();
listViewStocks.Items.AddRange(listViewItems);
}
public static List <StockValue> GetStockValues(StockCollection stockCollection, V_GetStockPriceDelegate getStockPrice)
{
return(stockCollection.EnumerateStocks()
.Select(stock =>
new
{
Stock = stock,
Price = getStockPrice(stock.Ticker)
})
.Select(t => new StockValue(t.Stock, t.Price, t.Stock.GetCurrentValue(t.Price), t.Stock.GetGain(t.Price)))
.ToList());
}
public Form1(StocksStore stocksStore, GainModel gainModel, V_GetStockPriceDelegate getStockPrice)
{
_stocksStore = stocksStore;
InitializeComponent();
_stocksRepository = stocksStore;
_gainModel = gainModel;
_getStockPrice = getStockPrice;
_stockCollection = stocksStore.LoadStocks();
_stockCollection.Changed += (sender, e) => V_StockProcessor.RefreshTable(_stockCollection, _getStockPrice, _listViewStocks);
_stockCollection.Changed += (sender, e) => SaveStocks();
V_StockProcessor.RefreshTable(_stockCollection, _getStockPrice, _listViewStocks);
}
public void when_I_call_GetStockValues__the_stock_values_are_correct()
{
var stocks = new StockCollection();
stocks.Add("MSFT", 100, 100, "5/10/2020");
stocks.Add("GOOG", 300, 400, "6/10/2020");
var stockPrices = new Dictionary <string, double>
{
{ "MSFT", 225.0 },
{ "GOOG", 433.0 }
};
V_GetStockPriceDelegate getStockPrice = stockTicker => stockPrices[stockTicker];
var stockValues = V_StockValuator.GetStockValues(stocks, getStockPrice);
stockValues.Should().Equal(
new StockValue(new Stock("MSFT", 100, 100, "5/10/2020"), 225.0, 22500.0, 12500.0),
new StockValue(new Stock("GOOG", 300, 400, "6/10/2020"), 433.0, 129900.0, 9900.0)
);
}
