// add records into database
private async Task BackTestFirstBuyOperationAsync(decimal buyPrice)
{
IReadOnlyList <IStockPriceHistory> items = await DatabaseOperations.GetStockPriceHistoryAsync(_memberStock.Country, _memberStock.StockId, BaseData.CurrentTime, 1).ConfigureAwait(false);
if (items == null || items.Count == 0)
{
if (!_testStatus)
{
_ = BaseData.GetLogger().WriteToErrorLogAsync(BaseData.Country, BaseData.CurrentTime, "TurtleBuyStrategy", new Exception($"BuyStockRunner: No stock price history data on previous business day of {BaseData.CurrentTime:yyyy-MM-dd}"));
}
return;
}
IStockPriceHistory item = items.FirstOrDefault();
if (item == null)
{
return;
}
decimal N = -1m;
// TODO : refactor
switch (_memberStock.Strategy)
{
case BuySellStrategyType.N20:
if (item.N20 != null)
{
N = item.N20.Value;
}
break;
case BuySellStrategyType.N40:
if (item.N40 != null)
{
N = item.N40.Value;
}
break;
case BuySellStrategyType.N60:
if (item.N60 != null)
{
N = item.N60.Value;
}
break;
}
if (N == -1m)
{
return;
}
await DatabaseOperations.AddMemberBuyStockAsync(_memberStock.MemberEmail,
_memberStock.Country,
_memberStock.StockId,
buyPrice,
N,
_memberStock.Strategy,
BaseData.CurrentTime).ConfigureAwait(false);
}