public ServiceResult <PortfolioSummaryResponse> GetSummary(Date date)
{
if (_Portfolio == null)
{
return(ServiceResult <PortfolioSummaryResponse> .NotFound());
}
var response = new PortfolioSummaryResponse();
response.Holdings.AddRange(_Portfolio.Holdings.All(date).Select(x => x.ToResponse(date)));
response.CashBalance = _Portfolio.CashAccount.Balance(date);
response.PortfolioValue = response.Holdings.Sum(x => x.Value) + response.CashBalance;
response.PortfolioCost = response.Holdings.Sum(x => x.Cost) + response.CashBalance;
response.Return1Year = null;
response.Return3Year = null;
response.Return5Year = null;
response.ReturnAll = null;
if (_Portfolio.StartDate != Date.MinValue)
{
var fromDate = date.AddYears(-1).AddDays(1);
if (fromDate >= _Portfolio.StartDate)
{
response.Return1Year = _Portfolio.CalculateIRR(new DateRange(fromDate, date));
}
fromDate = date.AddYears(-3).AddDays(1);
if (fromDate >= _Portfolio.StartDate)
{
response.Return3Year = _Portfolio.CalculateIRR(new DateRange(fromDate, date));
}
fromDate = date.AddYears(-5).AddDays(1);
if (fromDate >= _Portfolio.StartDate)
{
response.Return5Year = _Portfolio.CalculateIRR(new DateRange(fromDate, date));
}
if (date >= _Portfolio.StartDate)
{
response.ReturnAll = _Portfolio.CalculateIRR(new DateRange(_Portfolio.StartDate, date));
}
}
return(ServiceResult <PortfolioSummaryResponse> .Ok(response));
}
