public NotificationModel AddNotification(NotificationModel notificationModel)
{
// store it as it is
_notificationsAccess.AddNotification(notificationModel);
// try to save the user's copy
var usrNotification = _userNotificationService.AddNotification(notificationModel);
// try to broadcast it to the user
_notificationBroadcast.BroadcastNotification(usrNotification.UserId, usrNotification);
return(notificationModel);
}