Task ISamsungStockNotifier.NotifyAsync(StockPriceModel stockPriceModel)
{
return(Task.Run(() =>
{
OnNotify?.Invoke(this, (listObserver) =>
{
listObserver.ForEach((observer) => observer.GetUpdatePrice(stockPriceModel));
});
}));
}
async Task ISamsungStockTrigger.ChangePriceAsync(StockPriceModel stockPriceModel)
{
//this.samsungStockNotifier.OnNotify += SamsungStockNotifier_OnNotify;
EventHandler <Action <List <IObserver> > > @event = (sender, notifyToInvestors) => notifyToInvestors.Invoke(this.listInvestors);
// Subscribe event
this.samsungStockNotifier.OnNotify += @event;
await this.samsungStockNotifier.NotifyAsync(stockPriceModel);
// UnSubscribe event
this.samsungStockNotifier.OnNotify -= @event;
}
public async Task <ActionResult> GetData(string searchString, string start, string end)
{
var user_id = User.Identity.GetUserId();
ViewBag.searchString = searchString;
ViewBag.Id = user_id;
StockPriceModel models = new StockPriceModel();
if (!String.IsNullOrEmpty(searchString))
{
models = await GetStockQuote(searchString);
}
return(View("Stocks", models));
}
public async Task <StockPriceModel> GetStockQuote(string ticker)
{
var securities = await Yahoo.Symbols(ticker).Fields("Name", "Price", "weekHigh", "weekLow", "Change", "ChangePercent").Fields(Field.LongName, Field.RegularMarketPrice, Field.FiftyTwoWeekHigh, Field.FiftyTwoWeekLow, Field.RegularMarketChange, Field.RegularMarketChangePercent).QueryAsync();
var security = securities[ticker.ToUpper()];
security.Fields.TryGetValue(ticker, out dynamic key);
StockPriceModel models = new StockPriceModel()
{
Ticker = ticker,
Name = security.LongName,
Change = security.RegularMarketChange,
ChangePercent = security.RegularMarketChangePercent,
weekHigh = security.FiftyTwoWeekHigh,
weekLow = security.FiftyTwoWeekLow
};
return(models);
}
internal void ResetVM()
{
IsStockCodeEnabled = true;
StockCode = string.Empty;
SelectedPriceIndex = StockPriceModel?.SpecialPriceTypes?.Count > 0 ? 0 : -1;
PriceUnits = new List <string> {
"$", "%"
};
SelectedPriceUnitIndex = 0;
IsEditButtonEnabled = IsEditButtonPressed = ShowOnlyPrices = ShowPriceChange = false;
ShowPriceCheck = true;
_defaultSelectedSpecialPrice = string.Empty;
ControlDatesVisibility(false);
ControlQuantityAndPriceVisibility(false);
ControlPriceVisibility(false);
ControlFromToPriceVisibility(false);
StockPriceModel = new StockPriceModel();
ChangeGridColumnHeaderValue();
PriceTypeList = new ObservableCollection <PriceTypeModel>();
ShowEditButton = false;
ShowSaveButton = false;
}
public StockPriceReaderModel ParsePrices(string file)
{
var stockPriceReaderModel = new StockPriceReaderModel();
List <string> row = new List <string>();
List <StockPriceModel> s = new List <StockPriceModel>();
stockPriceReaderModel.name = "Stock: " + System.IO.Path.GetFileNameWithoutExtension(file);
using (var reader = new CsvFileReader(file))
{
while (reader.ReadRow(row))
{
//Ignore premarket and aftermarket trading eg. before 0930AM and after 0400PM
int time = int.Parse(row[1]);
if (time >= 930 && time <= 1600)
{
float open = float.Parse(row[2]);
float high = float.Parse(row[3]);
float low = float.Parse(row[4]);
float close = float.Parse(row[5]);
float volume = float.Parse(row[6]);
var stockPriceModel = new StockPriceModel(open, close, high, low, volume);
stockPriceReaderModel.prices.Add(stockPriceModel);
}
}
}
RSI.Calculate(stockPriceReaderModel.prices);
SMA.Calculate(stockPriceReaderModel.prices);
//identify and name patterns
MyStrategy.Apply(stockPriceReaderModel.prices);
return(stockPriceReaderModel);
}
Task IObserver.GetUpdatePrice(StockPriceModel stockPriceModel)
{
Console.WriteLine($"Investor B :{stockPriceModel.Price}");
return(Task.CompletedTask);
}