public Task Handle(OrderCanceledEvent message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var notifier = _connectionManager.GetHubContext <SecuredHub>();
var lst = new[] { message.SellerId, message.Subject };
lst.Distinct();
var connectionIds = new List <string>();
foreach (var r in lst)
{
connectionIds.AddRange(SecuredHub.Connections.GetConnections(r).ToList());
}
notifier.Clients.Clients(connectionIds).orderCanceled(_responseBuilder.GetOrderCanceled(message));
return(Task.FromResult(0));
}