public ACCOUNT_SHARE_HISTORY CalculateAccountShare(TradeSharpConnection ctx,
ACCOUNT_SHARE share,
ACCOUNT_SHARE ownerShare,
ref decimal ownersMoney,
decimal equity,
PaidService serviceWithFeeScale,
out bool feeWasTaken)
{
feeWasTaken = false;
var shareMoney = equity*share.Share/100M;
var hist = new ACCOUNT_SHARE_HISTORY
{
Account = share.Account,
Date = DateTime.Now,
OldShare = share.Share,
OldHWM = share.HWM,
NewShare = share.Share,
NewHWM = Math.Max(share.HWM ?? 0, shareMoney),
ShareOwner = share.ShareOwner,
ShareAmount = shareMoney
};
share.HWM = hist.NewHWM;
if ((hist.OldHWM ?? 0) == 0)
return hist;
if (shareMoney <= hist.OldHWM)
return hist;
if (serviceWithFeeScale == null)
return hist;
// был установлен новый HWM?
var aboveHwm = shareMoney - hist.OldHWM.Value;
// посчитать сумму комиссии
var fee = serviceWithFeeScale.CalculateFee(shareMoney, aboveHwm);
if (fee < 0.01M) return hist;
feeWasTaken = true;
// этот самый кусочек приписать владельцу и списать его с пайщика
ownersMoney += fee;
shareMoney -= fee;
ownerShare.Share = ownersMoney*100M/equity;
share.Share = shareMoney*100M/equity;
var newHwm = shareMoney;
if (newHwm > share.HWM)
{
share.HWM = newHwm;
hist.NewHWM = newHwm;
}
return hist;
}
