internal void Add(VolumeNecessaryDetail volumeNecessaryDetail)
{
int index = this.VolumeNecessaryDetails.FindIndex(delegate(VolumeNecessaryDetail item) { return(item.From > volumeNecessaryDetail.From); });
if (index == -1)
{
this.VolumeNecessaryDetails.Add(volumeNecessaryDetail);
}
else
{
this.VolumeNecessaryDetails.Insert(index, volumeNecessaryDetail);
}
}
internal void Update(VolumeNecessaryDetail volumeNecessaryDetail)
{
int index = this.VolumeNecessaryDetails.FindIndex(delegate(VolumeNecessaryDetail item) { return(item.Id == volumeNecessaryDetail.Id); });
if (index == -1)
{
this.Add(volumeNecessaryDetail);
}
else
{
this.VolumeNecessaryDetails[index] = volumeNecessaryDetail;
}
}
internal decimal CalculateNecessary(decimal marginRate, decimal defaultMargin, decimal netLot, bool useDayMargin)
{
if (this.VolumeNecessaryDetails.Count == 0)
{
return(marginRate * defaultMargin * netLot);
}
if (this.Option == VolumeNecessaryOption.Flat)
{
VolumeNecessaryDetail volumeNecessaryDetail = this.VolumeNecessaryDetails.FindLast(delegate(VolumeNecessaryDetail item) { return(netLot > item.From); });
decimal margin = volumeNecessaryDetail == null ? defaultMargin : (useDayMargin ? volumeNecessaryDetail.MarginD : volumeNecessaryDetail.MarginO);
return(marginRate * margin * netLot);
}
else if (this.Option == VolumeNecessaryOption.Progessive)
{
decimal necessary = marginRate * defaultMargin * Math.Min(netLot, this.VolumeNecessaryDetails[0].From);
int index = 0;
while (index < this.VolumeNecessaryDetails.Count && netLot > this.VolumeNecessaryDetails[index].From)
{
decimal margin = useDayMargin ? this.VolumeNecessaryDetails[index].MarginD : this.VolumeNecessaryDetails[index].MarginO;
decimal lot = netLot - this.VolumeNecessaryDetails[index].From;
if (index < this.VolumeNecessaryDetails.Count - 1)
{
lot = Math.Min(lot, (this.VolumeNecessaryDetails[index + 1].From - this.VolumeNecessaryDetails[index].From));
}
necessary += marginRate * margin * lot;
index++;
}
return(necessary);
}
else
{
throw new NotSupportedException(string.Format("Option = {0} is not supported", this.Option));
}
}
internal void Remove(VolumeNecessaryDetail volumeNecessaryDetail)
{
this.VolumeNecessaryDetails.Remove(volumeNecessaryDetail);
}