private static void NotifySubscriber(Guid clientID, Subscription subscription, Model.Object changedObject)
{
#if DEBUG
Console.WriteLine("Publishing Subscription.Webhook message for subscription " + subscription.SubscriptionID);
#endif
ServiceEventMessage message = new ServiceEventMessage();
message.AddParameter("AcceptContentType", subscription.AcceptContentType);
message.AddParameter("SubscriptionID", StringUtils.GuidEncode(subscription.SubscriptionID));
message.AddParameter("SubscriptionType", subscription.SubscriptionType.ToString());
message.AddParameter("ClientID", StringUtils.GuidEncode(clientID));
message.AddParameter("Url", subscription.Url);
message.AddParameter("TimeTriggered", DateTime.Now);
if (changedObject != null)
message.AddParameter("Object", changedObject);
BusinessLogicFactory.ServiceMessages.Publish(RouteKeys.SUBSCRIPTION_NOTIFICATION, message, TMessagePublishMode.Confirms);
}
public void SaveSubscription(Subscription subscription, TObjectState state)
{
IMongoDatabase database = GetDatabase(DATABASE_NAME, true);
IMongoCollection<BsonDocument> collection = database.GetCollection<BsonDocument>(COLLECTION_NAME);
EnsureIndexExists<BsonDocument>(collection, "OrganisationID");
EnsureIndexExists<BsonDocument>(collection, "ClientID");
FilterDefinition<BsonDocument> query = Builders<BsonDocument>.Filter.Eq("_id", subscription.SubscriptionID.ToByteArray());
if ((state == TObjectState.Add) || (state == TObjectState.Update))
{
BsonDocument doc = new BsonDocument();
BsonHelper.SetValue(doc, "_id", subscription.SubscriptionID);
BsonHelper.SetValue(doc, "OrganisationID", subscription.OrganisationID);
BsonHelper.SetValue(doc, "ClientID", subscription.ClientID);
BsonHelper.SetValue(doc, "DefinitionID", subscription.ObjectDefinitionID);
BsonHelper.SetValue(doc, "ObjectID", subscription.ObjectID);
BsonHelper.SetValue(doc, "SubscriptionType", (int)subscription.SubscriptionType);
BsonHelper.SetValue(doc, "PropertyDefinitionID", subscription.PropertyDefinitionID);
BsonHelper.SetValue(doc, "Url", subscription.Url);
BsonHelper.SetValue(doc, "AcceptContentType", subscription.AcceptContentType);
if (subscription.NotificationParameters != null)
{
MemoryStream stream = new MemoryStream();
subscription.NotificationParameters.Serialise(stream);
BsonHelper.SetValue(doc, "NotificationParameters", StringUtils.Encode(stream.ToArray()));
}
UpdateOptions options = new UpdateOptions();
options.IsUpsert = true;
collection.ReplaceOne(query, doc, options);
}
else if (state == TObjectState.Delete)
{
collection.DeleteOne(query);
}
BroadcastTableChange(COLLECTION_NAME, StringUtils.GuidEncode(subscription.SubscriptionID));
}
public void SaveSubscription(Subscription subscription, TObjectState state)
{
ServiceEventMessage message = new ServiceEventMessage();
message.AddParameter("SubscriptionID", StringUtils.GuidEncode(subscription.SubscriptionID));
switch (state)
{
case TObjectState.Add:
DataAccessFactory.Subscriptions.SaveSubscription(subscription, state);
BusinessLogicFactory.ServiceMessages.Publish(RouteKeys.SUBSCRIPTION_CREATE, message, TMessagePublishMode.Confirms);
break;
case TObjectState.Update:
DataAccessFactory.Subscriptions.SaveSubscription(subscription, state);
BusinessLogicFactory.ServiceMessages.Publish(RouteKeys.SUBSCRIPTION_UPDATE, message, TMessagePublishMode.Confirms);
break;
case TObjectState.Delete:
BusinessLogicFactory.ServiceMessages.Publish(RouteKeys.SUBSCRIPTION_DELETE, message, TMessagePublishMode.Confirms);
break;
default:
DataAccessFactory.Subscriptions.SaveSubscription(subscription, state);
break;
}
}
private static void CancelObservation(Subscription subscription)
{
Client client = DataAccessFactory.Clients.GetClient(subscription.ClientID);
if (client != null)
{
if (subscription.PropertyDefinitionID != Guid.Empty)
{
DataAccessFactory.Servers.CancelObserveResource(client, subscription.ObjectDefinitionID, subscription.ObjectID, subscription.PropertyDefinitionID, false);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Cancelled observing resource /{subscription.ObjectDefinitionID}/{subscription.ObjectID}/{subscription.PropertyDefinitionID}");
#endif
}
else if (subscription.ObjectID != null)
{
DataAccessFactory.Servers.CancelObserveObject(client, subscription.ObjectDefinitionID, subscription.ObjectID, false);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Cancelled observing object /{subscription.ObjectDefinitionID}/{subscription.ObjectID}");
#endif
}
else if (subscription.ObjectDefinitionID != Guid.Empty)
{
DataAccessFactory.Servers.CancelObserveObjects(client, subscription.ObjectDefinitionID, false);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Cancelled observing objects /{subscription.ObjectDefinitionID}");
#endif
}
else
{
ApplicationEventLog.Write(LogLevel.Warning, $"Subscription {subscription.SubscriptionID} has no definition ID");
}
}
else
{
ApplicationEventLog.Write(LogLevel.Warning, $"No client exists for {subscription.ClientID} in subscription {subscription.SubscriptionID}");
}
}
private Subscription LoadSubscription(BsonDocument item)
{
Subscription result = new Subscription();
result.SubscriptionID = BsonHelper.GetGuid(item, "_id");
result.OrganisationID = BsonHelper.GetInt32(item, "OrganisationID");
result.ClientID = BsonHelper.GetGuid(item, "ClientID");
result.ObjectDefinitionID = BsonHelper.GetGuid(item, "DefinitionID");
result.ObjectID = BsonHelper.GetString(item, "ObjectID");
result.SubscriptionType = (TSubscriptionType)BsonHelper.GetInt32(item, "SubscriptionType");
result.PropertyDefinitionID = BsonHelper.GetGuid(item, "PropertyDefinitionID");
result.Url = BsonHelper.GetString(item, "Url");
result.AcceptContentType = BsonHelper.GetString(item, "AcceptContentType");
byte[] serialisedNotificationParameters = StringUtils.Decode(BsonHelper.GetString(item, "NotificationParameters"));
if (serialisedNotificationParameters != null)
{
result.NotificationParameters = NotificationParameters.Deserialise(new MemoryStream(serialisedNotificationParameters));
}
return result;
}
private static void Observe(Subscription subscription)
{
Client client = DataAccessFactory.Clients.GetClient(subscription.ClientID);
if (client != null)
{
if (subscription.PropertyDefinitionID != Guid.Empty)
{
if (subscription.NotificationParameters != null)
{
if (DataAccessFactory.Servers.SetNotificationParameters(client, subscription.ObjectDefinitionID, subscription.ObjectID, subscription.PropertyDefinitionID, subscription.NotificationParameters))
ApplicationEventLog.Write(LogLevel.Information, $"Updated notification parameters for resource /{subscription.ObjectDefinitionID}/{subscription.ObjectID}/{subscription.PropertyDefinitionID}");
else
ApplicationEventLog.Write(LogLevel.Warning, $"Failed to update notification parameters for resource /{subscription.ObjectDefinitionID}/{subscription.ObjectID}/{subscription.PropertyDefinitionID}");
}
DataAccessFactory.Servers.ObserveResource(client, subscription.ObjectDefinitionID, subscription.ObjectID, subscription.PropertyDefinitionID);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Observing resource /{subscription.ObjectDefinitionID}/{subscription.ObjectID}/{subscription.PropertyDefinitionID}");
#endif
}
else if (subscription.ObjectID != null)
{
DataAccessFactory.Servers.ObserveObject(client, subscription.ObjectDefinitionID, subscription.ObjectID);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Observing object /{subscription.ObjectDefinitionID}/{subscription.ObjectID}");
#endif
}
else if (subscription.ObjectDefinitionID != Guid.Empty)
{
DataAccessFactory.Servers.ObserveObjects(client, subscription.ObjectDefinitionID);
#if DEBUG
ApplicationEventLog.Write(LogLevel.Information, $"Observing objects /{subscription.ObjectDefinitionID}");
#endif
}
else
{
ApplicationEventLog.Write(LogLevel.Warning, $"Subscription {subscription.SubscriptionID} has no definition ID");
}
}
else
{
ApplicationEventLog.Write(LogLevel.Warning, $"No client exists for {subscription.ClientID} in subscription {subscription.SubscriptionID}");
}
}
