public async Task <IActionResult> UpdateDatabasePrices()
{
// 1. Get the tickers for all open trades. (tickers where net quantity !=0)
// 2. get a hashset of the date each ticker is priced at our db.
// 3. get latest prices from alphavantage and update the prices for each ticker if we dont have it in our system.
// I can make 5 api calls a minute. so after every 5 calls. pause for 60 seconds before resuming
List <string> openTickers = _adminRepo.GetOpenTradeTickers();
int requestsMade = 0;
foreach (string ticker in openTickers)
{
requestsMade++;
if (requestsMade % 6 == 0)
{
System.Threading.Thread.Sleep(60000);
}
HashSet <DateTime> pricedDates = _adminRepo.GetPriceDates(ticker);
List <AlphaVantageSecurityData> avPrices = _avConn.GetDailyPrices(ticker);
foreach (var price in avPrices)
{
if (!pricedDates.Contains(price.Timestamp))
{
SecurityPrices newPrice = new SecurityPrices {
Date = price.Timestamp, ClosePrice = price.Close, Ticker = ticker
};
_adminRepo.AddSecurityPrice(newPrice);
System.Diagnostics.Debug.WriteLine($"Storing: {ticker}| {price.Timestamp}| {price.Close}");
}
}
}
await _adminRepo.SaveChangesAsync();
return(RedirectToAction("AdminPanel", "Admin"));
}
void _pricePublisher_PriceUpdated(int securityID, decimal price)
{
_dispatcher.BeginInvoke((Action)(() =>
{
var viewModel = SecurityPrices.FirstOrDefault(x => x.Security.SecurityID == securityID);
viewModel.Price = price;
}));
}
public async Task <IActionResult> AddTrade([Bind("TradeId, Ticker, Quantity, Price, TradeDate, Comments, CreatedTimeStamp, UserId, PortfolioId")] Trade trade)
{
if (!ModelState.IsValid)
{
return(PartialView("_TradeEntryModalPartial", trade));
}
trade.UserId = _userId;
// check if trade ticker is valid..
bool validTicker = _repo.IsValidTicker(trade.Ticker);
if (!validTicker)
{
ModelState.AddModelError("Ticker", $"{trade.Ticker} is not a tradeable instrument");
return(PartialView("_TradeEntryModalPartial", trade));
}
_repo.AddTrade(trade);
await _repo.SaveChangesAsync();
bool isSecurityStored = _repo.IsSecurityStored(trade.Ticker);
if (!isSecurityStored)
{
// Later on create logic that stores the security price AND MAKE THIS ASYNC so THE SCREEN DOESNT FREEZE
// also make this try catch in the event that prices are not found
List <AlphaVantageSecurityData> prices = _avConn.GetDailyPrices(trade.Ticker);
foreach (AlphaVantageSecurityData price in prices)
{
SecurityPrices newPrice = new SecurityPrices {
Date = price.Timestamp, ClosePrice = price.Close, Ticker = trade.Ticker
};
_repo.AddSecurityPrice(newPrice);
}
await _repo.SaveChangesAsync();
}
return(PartialView("_TradeEntryModalPartial", trade));
}
public void AddSecurityPrice(SecurityPrices price)
{
_db.SecurityPrices.Add(price);
}