public void AddOrUpdatePosition(Trade trade)
{
if (trade == null)
{
throw new ArgumentNullException(nameof(trade));
}
// verify the account exists
if (myUnitOfWork.AccountRepository.Find(trade.AccountCode) == null)
{
throw new ArgumentException("bad account code");
}
// try to get existing position (note: I'm using .Result here because I'm fine with this method being synchronous)
var position = positionQueryRepo.GetPositionAsync(trade.AccountCode, trade.SecurityId).Result;
// if a position doesn't already exist, create it; otherwise, update it
if (position == null)
{
CreatePosition(trade);
}
else
{
UpdatePosition(position, trade);
}
// save changes to data store in a single transaction
myUnitOfWork.Commit("username");
}
public void OpenPosition(string accountCode, Trade trade)
{
// verify the account exists
if (myUnitOfWork.AccountRepository.Find(accountCode) == null)
{
throw new ArgumentException("bad account code");
}
// add trade
myUnitOfWork.TradeRepository.Add(trade);
// create and add position
var position = new Position()
{
AccountCode = accountCode, PositionDate = trade.TradeDate, MarketValue = trade.MarketValue
};
myUnitOfWork.PositionRepository.Add(position);
// save changes to data store in a single transaction
myUnitOfWork.Commit();
}