/// <summary>
/// Subscribe to orders async
/// </summary>
/// <param name="action"></param>
/// <returns>Subscription</returns>
public async Task <CallResult <UpdateSubscription> > SubscribeOrdersAsync(Action <HitBTCOrder> action)
{
var request = new SubscribeOrdersRequest(NextId());
var internalHandler = new Action <HitBTCSocketSubscriptionResponse <JToken> >(response =>
{
var error = response.Error;
var method = response.Method;
JToken data = response.Data;
switch (method)
{
case "activeOrders":
var orders = data.ToObject <IEnumerable <HitBTCOrder> >();
foreach (var order in orders)
{
action(order);
}
break;
case "report":
var report = data.ToObject <HitBTCReport>();
action(report);
break;
}
});
return(await Subscribe <HitBTCSocketSubscriptionResponse <JToken> >(request, null, true, internalHandler).ConfigureAwait(false));
}
public override async Task SubscribeOrders(SubscribeOrdersRequest request, IServerStreamWriter <CoffeeOrder> responseStream, ServerCallContext context)
{
this._logger.LogInformation($"Subscribing to orders...");
_subscribers.Add(responseStream);
// send the current state first
foreach (var item in _orders)
{
await responseStream.WriteAsync(item.Value);
}
context.CancellationToken.Register(() =>
{
this._logger.LogInformation($"Cancelling subscription.");
_subscribers.Remove(responseStream);
});
while (!context.CancellationToken.IsCancellationRequested)
{
await Task.Delay(1000);
}
}