public Task<PushNotification> GetPushNotification()
{
SecretUserId userId = UserIdExtractor.ReadSecretUserIdFromRequest(this.Request);
User user;
using (TransmitContext context = new TransmitContext())
{
UserIdValidator validator = new UserIdValidator(context);
validator.RequireSignedUserIdValid(userId);
user = PushNotificationManager.GetUserById(userId.UserId);
if (user == null)
{
UserManager userManager = new UserManager(context);
user = userManager.GetUserByUserIdOrThrow(userId.UserId);
}
}
TaskCompletionSource<PushNotification> completionSource = new TaskCompletionSource<PushNotification>();
#if DEBUG
int id = _pushConnectionId++;
Trace.TraceInformation("Notification {0} was started", id);
#endif
PushConnection pushConnection = new PushConnection(HttpContext.Current);
pushConnection.SendPushNotificationEvent += notification =>
{
#if DEBUG
Trace.TraceInformation("Sending notification to client:" + id);
#endif
completionSource.SetResult(notification);
};
user.PushConnections.Add(pushConnection);
PushNotificationManager.UpdateOrAddUserToNotifiactionQuery(user);
return completionSource.Task;
}
