public virtual async Task PublishAsync( string notificationName, NotificationData data = null, EntityIdentifier entityIdentifier = null, NotificationSeverity severity = NotificationSeverity.Info, UserIdentifier[] userIds = null, UserIdentifier[] excludedUserIds = null, int?[] tenantIds = null) { if (notificationName.IsNullOrEmpty()) { throw new ArgumentException("NotificationName can not be null or whitespace!", "notificationName"); } if (!tenantIds.IsNullOrEmpty() && !userIds.IsNullOrEmpty()) { throw new ArgumentException("tenantIds can be set only if userIds is not set!", "tenantIds"); } if (tenantIds.IsNullOrEmpty() && userIds.IsNullOrEmpty()) { tenantIds = new[] {AbpSession.TenantId}; } var notificationInfo = new NotificationInfo { NotificationName = notificationName, EntityTypeName = entityIdentifier == null ? null : entityIdentifier.Type.FullName, EntityTypeAssemblyQualifiedName = entityIdentifier == null ? null : entityIdentifier.Type.AssemblyQualifiedName, EntityId = entityIdentifier == null ? null : entityIdentifier.Id.ToJsonString(), Severity = severity, UserIds = userIds.IsNullOrEmpty() ? null : userIds.Select(uid => uid.ToUserIdentifierString()).JoinAsString(","), ExcludedUserIds = excludedUserIds.IsNullOrEmpty() ? null : excludedUserIds.Select(uid => uid.ToUserIdentifierString()).JoinAsString(","), TenantIds = tenantIds.IsNullOrEmpty() ? null : tenantIds.JoinAsString(","), Data = data == null ? null : data.ToJsonString(), DataTypeName = data == null ? null : data.GetType().AssemblyQualifiedName }; await _store.InsertNotificationAsync(notificationInfo); await CurrentUnitOfWork.SaveChangesAsync(); //To get Id of the notification if (userIds != null && userIds.Length <= MaxUserCountToDirectlyDistributeANotification) { //We can directly distribute the notification since there are not much receivers await _notificationDistributer.DistributeAsync(notificationInfo.Id); } else { //We enqueue a background job since distributing may get a long time await _backgroundJobManager.EnqueueAsync<NotificationDistributionJob, NotificationDistributionJobArgs>( new NotificationDistributionJobArgs( notificationInfo.Id ) ); } }