public CurrencyPairViewModel(CurrencyPairStateDto currencyPairStateDto, IReactiveTrader reactiveTrader, IConcurrencyService concurrencyService)
{
_currencyPairStateDto = currencyPairStateDto;
_reactiveTrader = reactiveTrader;
_concurrencyService = concurrencyService;
Symbol = currencyPairStateDto.Symbol;
Available = currencyPairStateDto.Enabled;
Stale = currencyPairStateDto.Stale;
CanModify = true;
}
public IObservable<Unit> SetCurrencyPairState(string symbol, bool enabled, bool stale)
{
var dto = new CurrencyPairStateDto
{
Symbol = symbol,
Enabled = enabled,
Stale = stale
};
return _controlServiceClient.SetCurrencyPairState(dto)
.Select(_ => Unit.Default);
}
public UnitDto SetCurrencyPairState(CurrencyPairStateDto request)
{
var currencyPair = _currencyPairRepository.GetAllCurrencyPairInfos()
.FirstOrDefault(cpi => cpi.CurrencyPair.Symbol == request.Symbol);
if (currencyPair != null)
{
Log.InfoFormat("Received set currency pair state [{0}] from {1}.", request.Symbol, ContextUtil.GetUserName(Context));
if (currencyPair.Enabled != request.Enabled)
{
if (request.Enabled)
{
Log.InfoFormat("Enabling currency pair {0}.", request.Symbol);
_currencyPairUpdatePublisher.AddCurrencyPair(currencyPair.CurrencyPair);
}
else
{
Log.InfoFormat("Disabling currency pair {0}", request.Symbol);
_currencyPairUpdatePublisher.RemoveCurrencyPair(currencyPair.CurrencyPair);
}
currencyPair.Enabled = request.Enabled;
}
if (currencyPair.Stale != request.Stale)
{
if (currencyPair.Stale)
{
Log.InfoFormat("Making currency pair {0} go stale.", request.Symbol);
}
else
{
Log.InfoFormat("Making currency pair {0} no longer stale.", request.Symbol);
}
currencyPair.Stale = request.Stale;
}
}
else
{
Log.WarnFormat("Received set currency pair state for unknown currency pair {0} from {1}.", request.Symbol, ContextUtil.GetUserName(Context));
}
return new UnitDto();
}