/// <summary>
/// Check the Publishing queue and determine whether the given TcmUri is already present in the queue.
/// </summary>
/// <param name="engine">Engine object</param>
/// <param name="tcmUri">String representing the tcmuri of the item to check</param>
/// <param name="state">PublishTransactionState the publish state to filter on</param>
public static bool IsInPublishingQueue(Engine engine, String tcmUri, PublishTransactionState state)
{
Log.Debug(String.Format("Check Publishing queue for item '{0}'", tcmUri));
Session session = engine.GetSession();
PublishTransactionsFilter filter = new PublishTransactionsFilter(session);
filter.PublishTransactionState = state;
RepositoryLocalObject item = engine.GetObject(tcmUri) as RepositoryLocalObject;
if (item != null)
{
filter.ForRepository = item.ContextRepository;
}
PublicationTarget publicationTarget = engine.PublishingContext.PublicationTarget;
if (publicationTarget != null)
{
filter.PublicationTarget = publicationTarget;
}
XmlElement element = PublishEngine.GetListPublishTransactions(filter);
XmlNamespaceManager namespaceManager = new XmlNamespaceManager(new NameTable());
namespaceManager.AddNamespace("tcm", "http://www.tridion.com/ContentManager/5.0");
String xPath = String.Format("tcm:ListPublishTransactions/tcm:Item[@ItemID='{0}']", tcmUri);
XmlNodeList nodeList = element.SelectNodes(xPath, namespaceManager);
return(nodeList.Count > 0);
}
/// <summary>
/// Get 'current' PublishTransaction. It tries to identify a PublishTransaction from the publish queue that is on the
/// given TcmUri, Publication, User, etc.
/// </summary>
/// <param name="engine">Engine object</param>
/// <param name="tcmUri">String representing the tcmuri of the item to check</param>
/// <returns>PublishTransaction if found; or null, otherwise</returns>
private static PublishTransaction FindPublishTransaction(Engine engine, String tcmUri)
{
Log.Debug(String.Format("Find PublishTransaction for item '{0}'", tcmUri));
PublishTransaction result = null;
Session session = engine.GetSession();
PublishTransactionsFilter filter = new PublishTransactionsFilter(session);
filter.PublishTransactionState = PublishTransactionState.Resolving;
RepositoryLocalObject item = engine.GetObject(tcmUri) as RepositoryLocalObject;
if (item != null)
{
filter.ForRepository = item.ContextRepository;
}
PublicationTarget publicationTarget = engine.PublishingContext.PublicationTarget;
if (publicationTarget != null)
{
filter.PublicationTarget = publicationTarget;
}
XmlElement element = PublishEngine.GetListPublishTransactions(filter);
XmlNamespaceManager namespaceManager = new XmlNamespaceManager(new NameTable());
namespaceManager.AddNamespace("tcm", "http://www.tridion.com/ContentManager/5.0");
String xPath = String.Format("tcm:ListPublishTransactions/tcm:Item[@ItemID='{0}']", tcmUri);
XmlNodeList nodeList = element.SelectNodes(xPath, namespaceManager);
String transactionId;
if (nodeList != null && nodeList.Count == 1)
{
transactionId = nodeList[0].Attributes["ID"].Value;
TcmUri transactionUri = new TcmUri(transactionId);
result = new PublishTransaction(transactionUri, session);
}
else
{
foreach (XmlNode node in element.ChildNodes)
{
transactionId = node.Attributes["ID"].Value;
TcmUri transactionUri = new TcmUri(transactionId);
result = new PublishTransaction(transactionUri, session);
if (IsPublishTransactionForTcmUri(result, tcmUri))
{
break;
}
result = null;
}
}
Log.Debug("Returning PublishTransaction " + result);
return(result);
}
