private async void Ticker_SelectedIndexChanged(object sender, EventArgs e)
{
if (Ticker.SelectedItem != null)
{
var stockQuote = await _stockInformationRepository.GetStockQuote(Ticker.SelectedItem.ToString());
if (stockQuote != null)
{
Price.Text = stockQuote.CurrentPrice.ToString();;
}
}
}
/// <summary>
/// This method is to consolidated all the trade entries and get/set each symbol's current and previous close price
/// </summary>
/// <param name="trades">list of trades in current portfolio</param>
/// <returns>portfolio performance summary</returns>
public async Task <PortfolioPerformanceSummary> GetTradesPerformanceSummary(List <Trade> trades)
{
var portfolioPerformanceSummary = new PortfolioPerformanceSummary();
Dictionary <string, PortfolioPerformance> portfolioPerformances = new Dictionary <string, PortfolioPerformance>();
for (int i = 0; i < trades.Count; i++)
{
var ticker = trades[i].Ticker;
if (!portfolioPerformances.ContainsKey(ticker))
{
portfolioPerformances.Add(ticker, new PortfolioPerformance()
{
Ticker = ticker,
Cost = trades[i].Cost,
Quantity = trades[i].Quantity,
Date = DateTime.Now,
});
}
else
{
var existingPortfolioPerformanceData = portfolioPerformances[ticker];
existingPortfolioPerformanceData.Cost += trades[i].Cost;
existingPortfolioPerformanceData.Quantity += trades[i].Quantity;
}
}
// Get PrevClose and Current price for each ticker/symbol
foreach (var ticker in portfolioPerformances.Keys)
{
var tickerStockData = await _stockInformationRepository.GetStockQuote(ticker);
if (tickerStockData != null)
{
portfolioPerformances[ticker].CurrentPrice = tickerStockData.CurrentPrice;
portfolioPerformances[ticker].PreviousClosePrice = tickerStockData.PreviousClosePrice;
}
}
portfolioPerformanceSummary.PortfolioPerformances = portfolioPerformances.Values.ToList();
return(portfolioPerformanceSummary);
}