IReadOnlyDictionary <CurrencyCode, SumState> CalculateAssetSums(
AssetISIN isin, IReadOnlyCollection <VirtualAsset> allAssets, DateTimeOffset date)
{
var assets = allAssets
.Where(a => a.Isin == isin)
.ToArray();
if (assets.Length == 0)
{
return(new Dictionary <CurrencyCode, SumState>());
}
var baseCurrency = assets[0].Currency;
var baseRealSum = assets.Sum(a => a.RealSum);
var baseVirtualSum = assets.Sum(a => a.VirtualSum);
return(_currencyConfig.GetAll()
.ToDictionary(
c => c,
c => {
if (c == baseCurrency)
{
return new SumState(baseRealSum, baseVirtualSum);
}
var realSum = _exchangeManager.Exchange(baseCurrency, c, baseRealSum, date);
var virtualSum = _exchangeManager.Exchange(baseCurrency, c, baseRealSum, date);
return new SumState(realSum, virtualSum);
}
));
}
public IActionResult Get([Required] DateTimeOffset date)
{
var userId = new UserId(User.Identity?.Name ?? string.Empty);
_logger.LogInformation($"Retrieve state for user '{userId}' at {date}");
var state = _readUseCase.Handle(date, userId);
var brokers = state.Brokers
.Select(b => new BrokerDto(
b.Id,
b.DisplayName,
b.Accounts
.Select(a => new AccountDto(a.Id, a.Currency, a.DisplayName, a.Balance))
.ToArray(),
b.Inventory
.Select(a => new AssetDto(a.Id, a.Isin, a.Count))
.ToArray()))
.ToArray();
var currencies = _currencyConfig.GetAll()
.Select(c => new CurrencyDto(c, _currencyConfig.GetFormat(c)))
.ToArray();
var dto = new StateDto(brokers, currencies);
return(new JsonResult(dto));
}