private void AlertPriceAsync(SymbolModel symbol, decimal currentPrice)
{
Task.Run(() =>
{
var symbolAlerts = SymbolAlerts.Where(x => x.SymbolId == symbol.Id && ((x.LessValue.HasValue && x.LessValue.Value >= currentPrice) || (x.GreaterValue.HasValue && x.GreaterValue <= currentPrice)));
foreach (var symbolAlert in symbolAlerts)
{
if (symbolAlert.LastAlertDate == null || (DateTime.Now - symbolAlert.LastAlertDate.Value).TotalMinutes > 5)
{
var user = Users.FirstOrDefault(x => x.Id == symbolAlert.UserId);
string message = $"[ALERT] {symbol.FriendlyName}: {currentPrice}";
_userManager.SendMessage(user.Id, message);
_userManager.CallUser(symbolAlert.UserId, $"{symbol.FriendlyName} price is {currentPrice}");
symbolAlert.LastAlertDate = DateTime.Now;
_alertManager.UpdateAsAlerted(user.Id, symbol.Id, DateTime.Now);
}
}
});
}