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[] { Session.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
)
);
}
}
/// <summary>
/// Publishes a new notification.
/// </summary>
/// <param name="notificationPublisher">Notification publisher</param>
/// <param name="notificationName">Unique notification name</param>
/// <param name="data">Notification data (optional)</param>
/// <param name="entityIdentifier">The entity identifier if this notification is related to an entity</param>
/// <param name="severity">Notification severity</param>
/// <param name="userIds">Target user id(s). Used to send notification to specific user(s). If this is null/empty, the notification is sent to all subscribed users</param>
public static void Publish(this INotificationPublisher notificationPublisher, string notificationName, NotificationData data = null, EntityIdentifier entityIdentifier = null, NotificationSeverity severity = NotificationSeverity.Info, UserIdentifier[] userIds = null)
{
AsyncHelper.RunSync(() => notificationPublisher.PublishAsync(notificationName, data, entityIdentifier, severity, userIds));
}
