public async Task <IActionResult> GetOpenOrders(int exchangeId, string baseCurrency = default(string), string quoteCurrency = default(string))
{
try
{
var openOrders = await _exchangeApiClient.GetOpenOrder(exchangeId.ToString(), baseCurrency, quoteCurrency);
if (openOrders != null)
{
return(Ok(openOrders));
}
throw new KeyNotFoundException();
}
catch (KeyNotFoundException)
{
return(NotFound());
}
}
public async Task Handle(ExchangeOrderCreatedIntegrationEvent @event)
{
var orderClosed = false;
var orderCanceled = false;
string closeTime = String.Empty;
string canceledTime = String.Empty;
decimal quantityAlreadyExecuted = 0;
decimal commisionAlreadyPaid = 0;
await Task.Run(async() =>
{
while (!orderClosed && !orderCanceled)
{
var openOrderViewModel = await _exchangeApiClient.GetOpenOrder(@event.ExchangeId.ToString(), @event.BaseCurrency, @event.QuoteCurrency);
OrderViewModel matchingOrder = null;
foreach (var openOrder in openOrderViewModel.Result.orders)
{
if (openOrder.orderId == @event.ExchangeOrderId)
{
matchingOrder = openOrder;
}
}
if (matchingOrder == null)
{
orderClosed = true;
closeTime = DateTime.UtcNow.ToLongDateString();
}
if (matchingOrder != null)
{
var quantity = Decimal.Parse(matchingOrder.quantityExecuted, NumberStyles.Float);
var paidFee = Decimal.Parse(matchingOrder.commissionPaid, NumberStyles.Float);
//If quantity executed and total quantity are equal.
if (quantity == Decimal.Parse(matchingOrder.quantityTotal, NumberStyles.Float))
{
this._eventBus.Publish(new ExchangeOrderPartiallyExecutedIntegrationEvent(
@event.ExchangeId,
@event.ExchangeOrderId,
@event.BaseCurrency,
@event.QuoteCurrency,
quantity - quantityAlreadyExecuted,
@event.Price,
paidFee - commisionAlreadyPaid
));
orderClosed = true;
}
// If order are canceled
else if (matchingOrder.canceled == "true")
{
if (quantity > quantityAlreadyExecuted)
{
this._eventBus.Publish(new ExchangeOrderPartiallyExecutedIntegrationEvent(
@event.ExchangeId,
@event.ExchangeOrderId,
@event.BaseCurrency,
@event.QuoteCurrency,
quantity - quantityAlreadyExecuted,
@event.Price,
paidFee - commisionAlreadyPaid
));
quantityAlreadyExecuted = quantity;
commisionAlreadyPaid = paidFee;
}
orderCanceled = true;
}
else
{
if (quantity > quantityAlreadyExecuted)
{
this._eventBus.Publish(new ExchangeOrderPartiallyExecutedIntegrationEvent(
@event.ExchangeId,
@event.ExchangeOrderId,
@event.BaseCurrency,
@event.QuoteCurrency,
quantity - quantityAlreadyExecuted,
@event.Price,
paidFee - commisionAlreadyPaid
));
quantityAlreadyExecuted = quantity;
commisionAlreadyPaid = paidFee;
}
}
}
//Keep detecting until order closed.
await Task.Delay(TimeSpan.FromSeconds(3));
}
});
if (orderClosed)
{
this._eventBus.Publish(new ExchangeOrderFullExecutedIntegrationEvent(
@event.ExchangeId,
@event.ExchangeOrderId,
@event.BaseCurrency,
@event.QuoteCurrency,
@event.Quantity,
@event.Price,
commisionAlreadyPaid,
closeTime
));
}
else if (orderCanceled)
{
this._eventBus.Publish(new ExchangeOrderCanceledIntegrationEvent(
@event.ExchangeId,
@event.ExchangeOrderId,
@event.BaseCurrency,
@event.QuoteCurrency,
quantityAlreadyExecuted,
@event.Price,
commisionAlreadyPaid,
canceledTime
));
}
}