void AddPosition(UserPosition up, decimal curPrice)
{
this.Count += up.Count;
//总金额加上本次成交的金额
var thisTotal = up.Order.DonePrice * up.Order.DoneCount;
this.BuyTotal += thisTotal;
this.BuyPrice = this.Count == 0?0: this.BuyTotal / this.Count;
Calc(curPrice, up.Count);
}
void SubPosition(UserPosition up, decimal curPrice)
{
try
{
this.Count -= up.Count;
//仓位转换:数量为0清空持仓,数量＞0正常计算,小于0转换仓位类型以剩余数量计算
if (Count == 0)
{
ClearIndex();
}
else if (Count < 0)
{
ClearIndex();
//只有持仓类型不同才翻转
if (up.Order.PositionType != this.ptype)
{
if (this.ptype == Core.PositionType.义务仓)
{
this.ptype = Core.PositionType.权利仓;
}
else
{
this.ptype = Core.PositionType.义务仓;
}
this.PositionType = ptype.ToString();
this.Count = this.Count * (-1);
this.BuyPrice = up.Order.DonePrice;
var thisTotal = up.Order.DonePrice * this.Count;
this.BuyTotal = thisTotal;
Calc(curPrice, this.Count);
}
}
else
if (Count > 0)
{
//如果10买一个,20买一个,再100卖一个,则成本价为负数
//var thisTotal = up.Count * up.Order.DonePrice;
//this.BuyTotal -= thisTotal;
//this.BuyPrice =this.BuyTotal / this.Count;
//修改为当量减少时,只减少成本,单价不变
this.BuyTotal -= up.Count * this.BuyPrice;
Calc(curPrice, up.Count);
CalcClosableProfit(up, curPrice);
}
}
catch (Exception ex)
{
Singleton <TextLog> .Instance.Error(ex, "subposition");
}
}
/// <summary>
/// 计算平仓盈亏:计算此持仓的盈亏,然后累加到已有值
/// </summary>
/// <param name="up"></param>
void CalcClosableProfit(UserPosition up, decimal curPrice)
{
if (up.Order.PositionType == this.ptype)
{
var dp = this.BuyPrice - curPrice;
var count = up.Count;
var dt = dp * count;
if (this.ptype == Core.PositionType.义务仓)
{
this.CloseProfit += dt;
}
else
{
this.CloseProfit += dt * (-1);
}
}
}
public PositionSummary(UserPosition up, decimal curPrice)
{
this.Contract = up.Order.Contract;
this.OrderType = up.Order.OrderType;
this.CCode = up.Order.Contract.Code;
this.CName = up.Order.Contract.Name;
this.Coin = up.Order.Contract.Coin;
this.PositionType = up.Order.PositionType.ToString();
this.ptype = up.Order.PositionType;
Id = CCode;
this.Count = up.Count;
this.BuyPrice = up.Order.DonePrice;
var thisTotal = up.Order.DonePrice * up.Count;
this.BuyTotal = thisTotal;
Calc(curPrice, up.Count);
}
public void Update(UserPosition up, bool isAdd, decimal curPrice)
{
if (this.Count == 0)
{
ClearIndex();
this.ptype = up.Order.PositionType;
this.PositionType = ptype.ToString();
//因为持仓数为0,所以只计算开仓,不再计算平仓
if (isAdd)
{
AddPosition(up, curPrice);
}
}
else
{
if (up.Order.PositionType == ptype)
{
if (isAdd)
{
AddPosition(up, curPrice);
}
else
{
SubPosition(up, curPrice);
}
}
else
{
if (isAdd)//只有开仓时才计算:开权利仓=平=义务仓
{
if (!isAdd)
{
AddPosition(up, curPrice);
}
else
{
SubPosition(up, curPrice);
}
}
}
}
}
