public async Task <PortfolioVm> Handle(GetPortfolioRequest request, CancellationToken cancellationToken)
{
var portfolio = new PortfolioVm();
var holdingsResult = new List <HoldingVm>();
var holdings = _context.Holdings
.Where(x => x.UserId == _identityService.UserId)
.OrderByDescending(x => x.Created)
.ToList();
foreach (var holding in holdings)
{
holding.SetAccountDetails(await _holdingsService.GetDetailsByTickerAsync(holding.Ticker));
holding.SetCurrency(AbstractEnumeration.FromValue <Currency>(holding.CurrencyId));
holdingsResult.Add(_mapper.Map <HoldingVm>(holding));
}
portfolio.TotalShares = holdings.Sum(h => h.Shares);
portfolio.TotalAverageCost = holdings.Average(h => h.PurchasePrice);
portfolio.TotalCostBasis = holdings.Sum(h => h.CostBasis);
portfolio.TotalMarketValue = holdings.Sum(h => h.MarketValue);
portfolio.TotalGainLoss = holdings.Sum(h => h.GainLoss);
portfolio.TotalGainLossPercent = portfolio.TotalGainLoss / portfolio.TotalCostBasis;
foreach (var holdingResult in holdingsResult)
{
holdingResult.Weight = holdingResult.CostBasis / portfolio.TotalMarketValue;
}
portfolio.Holdings = holdingsResult;
return(portfolio);
}
public async Task <HoldingVm> Handle(GetHoldingByIdRequest request, CancellationToken cancellationToken)
{
var holding = await _context.Holdings
.AsNoTracking()
.Include(x => x.Account)
.FirstOrDefaultAsync(h => h.Id == request.Id && h.UserId == _identityService.UserId, cancellationToken: cancellationToken);
holding?.SetCurrency(AbstractEnumeration.FromValue <Currency>(holding.CurrencyId));
holding?.SetAccountDetails(await _holdingsService.GetDetailsByTickerAsync(holding.Ticker));
return(_mapper.Map <HoldingVm>(holding));
}
public async Task <List <HoldingVm> > Handle(GetHoldingsRequest request, CancellationToken cancellationToken)
{
var results = new List <HoldingVm>();
var holdings = _context.Holdings
.Where(x => x.UserId == _identityService.UserId)
.OrderByDescending(x => x.Created)
.ToList();
foreach (var holding in holdings)
{
holding.SetCurrency(AbstractEnumeration.FromValue <Currency>(holding.CurrencyId));
holding.SetAccountDetails(await _holdingsService.GetDetailsByTickerAsync(holding.Ticker));
results.Add(_mapper.Map <HoldingVm>(holding));
}
return(await Task.Run(() => results.ToList(), cancellationToken));
}