/// <summary>
/// iv. Calculate Volume Weighted Stock Price based on trades in past 5 minutes
/// </summary>
/// <param name="symbol"></param>
/// <returns></returns>
public OperationResult <double> CalculateVolumeWeightedPrice(string symbol)
{
try
{
if (string.IsNullOrWhiteSpace(symbol))
{
throw new ArgumentException("symbol is empty");
}
List <Trade> trades = _tradeRepository.GetLast5MinutesTradesBySymbol(symbol, DateTime.Now);
if (trades == null || !trades.Any())
{
throw new ArgumentException("no trades to calculate");
}
return(OperationResult <double> .Ok(Calculator.CalculateVolumeWeightedPrice(trades)));
}
catch (Exception ex)
{
return(OperationResult <double> .Fail(ex.Message));
}
}
