public MainWindow()
{
InitializeComponent();
var zeroPrice = new CurrentPrice();
var tickers = new List <string>
{
"0200.HK", "0941.HK", "2318.HK"
};
var viewModel = new ViewModel
{
ApiKey = "",
Stocks = new ObservableCollection <Stock>(
tickers.Select(ZeroPrice)
),
SelectedHistoricalPrices = new ObservableCollection <HistoricalPrice>()
};
this.DataContext = viewModel;
// an IoC container would usually be used here.
var pricesSource = new AlphaVantageAPI(new AlphaVantageDataSource());
var historicalDatabase = new InMemoryHistoricalDatabase();
new ViewModelUpdater(pricesSource, historicalDatabase, viewModel);
}
// GET: Stock Quote
public async Task <Stock> GetStockQuote(string symbol)
{
//symbol = "XOM";
AlphaVantageAPI alphaVantageAPI = new AlphaVantageAPI(MyKeys.ALPHA_VANTAGE_API_KEY);
var test = await alphaVantageAPI.GetStockDataAsync(symbol);
var jo = JObject.Parse(test);
DateTime today = DateTime.Today;
DateTime oneMonthAgo = GetLastBusinessDayPreviousMonth(today);
DateTime twoMonthsAgo = GetLastBusinessDayPreviousMonth(oneMonthAgo);
DateTime threeMonthsAgo = GetLastBusinessDayPreviousMonth(twoMonthsAgo);
DateTime fourMonthsAgo = GetLastBusinessDayPreviousMonth(threeMonthsAgo);
DateTime fiveMonthsAgo = GetLastBusinessDayPreviousMonth(fourMonthsAgo);
DateTime sixMonthsAgo = GetLastBusinessDayPreviousMonth(fiveMonthsAgo);
string todayString = today.ToString("yyyy-MM-dd");
string oneMonthAgoString = oneMonthAgo.ToString("yyyy-MM-dd");
string twoMonthsAgoString = twoMonthsAgo.ToString("yyyy-MM-dd");
string threeMonthsAgoString = threeMonthsAgo.ToString("yyyy-MM-dd");
string fourMonthsAgoString = fourMonthsAgo.ToString("yyyy-MM-dd");
string fiveMonthsAgoString = fiveMonthsAgo.ToString("yyyy-MM-dd");
string sixMonthsAgoString = sixMonthsAgo.ToString("yyyy-MM-dd");
var stockPriceToday = jo["Monthly Time Series"][todayString]["4. close"];
var stockPriceOneMonthAgo = jo["Monthly Time Series"][oneMonthAgoString]["4. close"];
var stockPriceTodayTwoMonthsAgo = jo["Monthly Time Series"][twoMonthsAgoString]["4. close"];
var stockPriceTodayThreeMonthsAgo = jo["Monthly Time Series"][threeMonthsAgoString]["4. close"];
var stockPriceTodayFourMonthsAgo = jo["Monthly Time Series"][fourMonthsAgoString]["4. close"];
var stockPriceTodayFiveMonthsAgo = jo["Monthly Time Series"][fiveMonthsAgoString]["4. close"];
var stockPriceTodaySixMonthsAgo = jo["Monthly Time Series"][sixMonthsAgoString]["4. close"];
Stock stock = new System.Web.Script.Serialization.JavaScriptSerializer().Deserialize <Stock>(test);
stock.Symbol = symbol;
stock.CurrentPrice = stockPriceToday.ToObject <double>();
stock.OneMonthAgoPrice = stockPriceOneMonthAgo.ToObject <double>();
stock.TwoMonthsAgoPrice = stockPriceTodayTwoMonthsAgo.ToObject <double>();
stock.ThreeMonthsAgoPrice = stockPriceTodayThreeMonthsAgo.ToObject <double>();
stock.FourMonthsAgoPrice = stockPriceTodayFourMonthsAgo.ToObject <double>();
stock.FiveMonthsAgoPrice = stockPriceTodayFiveMonthsAgo.ToObject <double>();
stock.SixMonthsAgoPrice = stockPriceTodaySixMonthsAgo.ToObject <double>();
return(stock);
}
