private static StockTickerData CreateEmptyStockData(DateTime dateTime)
{
var data = new StockTickerData();
data.Date = dateTime;
//data.Close = double.NaN;
//data.Volume = double.NaN;
return(data);
}
public void UpdateLastStockData(StockTickerData stockData)
{
if (Data.Any() && FilteredData.Any())
{
var lastStockData = this.Data.Last();
if (lastStockData.Date.DayOfYear == stockData.Date.DayOfYear)
{
this.Data[this.Data.Count - 1] = stockData;
this.FilteredData[this.FilteredData.Count - 1] = stockData;
}
else
{
this.Data.Add(stockData);
this.FilteredData.Add(stockData);
}
}
}
private void OnRequestStockHistoryCompleted(object sender, OpenReadCompletedEventArgs response)
{
var stockToken = new StockToken();
if (response.UserState != null)
{
stockToken = (StockToken)response.UserState;
}
var process = "StockQuandlService -> Requesting stock history for " + stockToken.Symbol;
if (response.Cancelled || response.Error != null)
{
Debug.WriteLine(process + " failed: \n at " + response.Error);
//ReportServerError(e.Error);
return;
}
Debug.WriteLine(process + " completed");
var csv = DataProvider.GetCsvFile(response.Result);
var culture = CultureInfo.InvariantCulture;
var stockHistory = new StockTickerList();
#region Parse csv data and create stock history
// 0, 1, 2, 3, 4, 5, 6, 7,
// Date, Open, High, Low, Close, Volume, Dividend, Split Ratio, Adj. Open,Adj. High,Adj. Low,Adj. Close,Adj. Volume
// 2015-09-10,247.23,250.7231,245.33,248.381,2700138.0,0.0,1.0,247.23,250.7231,245.33,248.381,2700138.0
// 2015-09-09,252.05,254.25,248.303,248.91,3363641.0,0.0,1.0,252.05,254.25,248.303,248.91,3363641.0
for (var i = 1; i < csv.Count; i++)
{
var line = csv[i];
var stock = new StockTickerData();
stock.Date = DateTime.ParseExact(line[0], StockDateFormat, culture);
stock.Open = double.Parse(line[1]);
stock.High = double.Parse(line[2]);
stock.Low = double.Parse(line[3]);
stock.Close = double.Parse(line[4]);
stock.Volume = double.Parse(line[5]);
//stock.Dividend = double.Parse(line[6]);
//stock.Split = double.Parse(line[7]);
stockHistory.Add(stock);
var day = stock.Date.ToString();
if (!TradingDates.ContainsKey(day))
{
TradingDates.Add(day, stock.Date);
}
}
#endregion
stockHistory.Sort((x, y) => + (Comparer <DateTime> .Default.Compare(x.Date, y.Date)));
// stockHistory.Sort((x, y) => Comparer.Ascending(x.Date, y.Date));
Debug.WriteLine(process + " data parsed: " + stockHistory.Count);
if (stockHistory.Count > 0)
{
var first = stockHistory.First();
var count = stockHistory.Count;
while (first.Date > stockToken.StartDate)
{
var newStock = new StockTickerData {
Date = first.Date.AddDays(-1)
};
if (TradingDates.ContainsKey(newStock.Date.ToString()))
{
stockHistory.Insert(0, newStock);
}
first = newStock;
}
var delta = stockHistory.Count - count;
if (delta > 0)
{
Debug.WriteLine("StockQuandlService -> Aligned stock data by adding " + delta + " items");
}
}
Debug.WriteLine(process + " data aligned: " + stockHistory.Count);
_cache.UpdateCache(stockToken.Symbol, new List <object> {
stockHistory
});
SynchronizationContext.Current.Post(data =>
stockToken.Callback(stockToken.Symbol, (StockTickerList)data), stockHistory);
}
/// <summary>
/// Called when [refresh data].
/// </summary>
/// <param name="symbol">The symbol.</param>
/// <param name="data">The data.</param>
private void OnRefreshData(string symbol, List <StockPriceItem> data)
{
Logs.Message(this, "OnRefreshData for " + symbol + " stock: " + data.Count);
var sivm = GetStockInfoBySymbolName(symbol);
if (sivm == null)
{
return;
}
var yearAgo = DateTime.Now.AddYears(-1);
var low = double.MaxValue;
var high = double.MinValue;
var collection = new ObservableCollection <StockTickerData>();
foreach (var item in data)
{
var stock = new StockTickerData();
stock.Open = item.Open;
stock.High = item.High;
stock.Low = item.Low;
stock.Close = item.Close;
stock.Volume = item.Volume;
stock.Date = item.Date;
collection.Add(stock);
// find low/high range for last year
if (item.Date > yearAgo)
{
low = Math.Min(low, item.Low);
high = Math.Max(high, item.High);
}
}
sivm.Data = collection;
SetStockDisplayRange(_stockDisplayRange);
var name = symbol;
var stockMatch = FindStockMatching(symbol);
if (stockMatch != null)
{
name = stockMatch.Name;
if (name.EndsWith("Corp."))
{
name = name.Replace("Corp.", "Corporation");
}
if (name.EndsWith("Inc"))
{
name = name.Replace("Inc", "Inc.");
}
if (name.EndsWith("Ltd"))
{
name = name.Replace("Ltd", "Ltd.");
}
}
if (sivm.Data.Any())
{
var lastDataPoint = sivm.Data.Last();
DebugManager.LogData("StockViewModel.OnRefreshData initializing stock details : " + symbol);
sivm.Details = new StockTickerDetails
{
Symbol = symbol,
Name = name,
DailyHigh = lastDataPoint.High,
DailyLow = lastDataPoint.Low,
Open = lastDataPoint.Open,
Volume = lastDataPoint.Volume,
PreviousClose = lastDataPoint.Close,
LastUpdate = lastDataPoint.Date,
LastTradeAmount = lastDataPoint.Open,
LastTradeDate = lastDataPoint.Date.ToString(CultureInfo.InvariantCulture),
LastTradeTime = lastDataPoint.Date.TimeOfDay.ToString(),
YearlyLow = low,
YearlyHigh = high,
};
}
UpdateStocksLayout();
OnPropertyChanged("SelectedStock");
OnPropertyChanged("Tickers");
//OnPropertyChanged("IsDetailsPopulated");
StockSimulationTimer.Start();
StockServiceTimer.Start();
this.OnInitialDataLoaded();
//TODO-MT wait for all stocks to load
this.IsInitialStockDataLoading = false;
}
