private void Notify(QueueNotification notification)
{
if (NotificationReceived != null)
{
NotificationReceived(this, notification);
}
}
public async Task <IActionResult> Remove([FromBody] DequeuePosition item)
{
if (item is null || item.ServiceType == ServiceType.none)
{
return(new BadRequestResult());
}
DequeuePositionResult result = await _queueService.RemoveFromQueue(item);
if (result is null)
{
return(new NoContentResult());
}
var notification = new QueueNotification
{
StationNumber = item.StationNumber,
UserNumber = result.CustomerNumberInQueue
};
try
{
string groupName = item.ServiceType.ToString();
await _hubContext.Clients.Group(groupName).SendQueueNotificationToGroup(notification);
}
catch (Exception)
{
}
return(new OkObjectResult(result));
}
public void UpdateStation(QueueNotification notification)
{
App.Current.Dispatcher.Invoke(() =>
{
var station = Stations.Where(s => s.StationNumber == notification.StationNumber).FirstOrDefault();
if (station != null)
{
station.PatientNumber = notification.UserNumber;
}
});
}
private void ProcessNotification(object sender, QueueNotification e)
{
#if DEBUG
Console.WriteLine(e);
#endif
if (e == QueueNotification.SubscriptionConfirmed)
{
_subscribed = true;
_subscriptionConfirmTime = DateTime.Now;
}
if (e == QueueNotification.NewMessage)
{
_messageFound = true;
}
}
public async Task Enqueue(IEvent @event, Action callback = null, TaskContinuationOptions taskContinuationOptions = TaskContinuationOptions.OnlyOnRanToCompletion)
{
Microsoft.Azure.ServiceBus.Message message = new Microsoft.Azure.ServiceBus.Message(UTF8Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(@event, new JsonSerializerSettings()
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
})));
message.MessageId = Guid.NewGuid().ToString();
message.ContentType = "application/json";
if (callback != null)
{
await QueueNotification.SendAsync(message).ContinueWith((t, o) =>
{
callback?.Invoke();
}, taskContinuationOptions);
}
else
{
await QueueNotification.SendAsync(message);
}
}
public async Task AddQueueNotification(NotificationTemplates template, int id, Guid userGuid, string queueName = null)
{
try
{
// Create Message.
var message = new QueueNotification
{
TemplateName = template,
Identifier = id,
UserGuid = userGuid,
TimestampOffset = DateTimeOffset.UtcNow
};
var cloudQueueMessage = new CloudQueueMessage(JsonConvert.SerializeObject(message));
// Add to Queue.
var queue = await GetQueue(queueName ?? ConfigurationManager.AppSettings["NotificationQueue"]);
await queue.AddMessageAsync(cloudQueueMessage).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.LogException(ex);
}
}
public async Task SendQueueNotificationToGroup(ServiceType serviceType, QueueNotification notification)
{
await Clients.Groups(serviceType.ToString()).SendQueueNotificationToGroup(notification);
}
