private XmlDocument CreateWorkItemUpdateOperation(MigrationAction action)
{
XmlDocument desc = action.RecordDetails.DetailsDocument;
XmlElement rootNode = desc.DocumentElement;
Debug.Assert(null != rootNode,
"Wit IMigrationAction.MigrationActionDescription is invalid.");
Debug.Assert(null != rootNode.Attributes["WorkItemType"],
"WorkItemType is missing in MigrationActionDescription.");
Debug.Assert(null != rootNode.Attributes["Author"],
"Author is missing in MigrationActionDescription.");
Debug.Assert(null != rootNode.Attributes["ChangeDate"],
"ChangeDate is missing in MigrationActionDescription.");
string workItemType = rootNode.Attributes["WorkItemType"].Value;
string author = rootNode.Attributes["Author"].Value;
string changeDate = rootNode.Attributes["ChangeDate"].Value;
string targetRevision = rootNode.Attributes["TargetRevision"].Value;
TfsUpdateDocument tfsUpdateDocument = InitializeUpdateDocument();
tfsUpdateDocument.CreateWorkItemUpdateDoc(TargetWorkItem.Id.ToString(), targetRevision);
tfsUpdateDocument.AddFields(action, workItemType, author, changeDate, false);
tfsUpdateDocument.InsertConversionHistoryCommentToHistory(
workItemType,
GenerateMigrationHistoryComment(action));
// insert source item Id to field TfsMigrationTool.ReflectedWorkItemId if it is in WITD
tfsUpdateDocument.InsertConversionHistoryField(
workItemType,
action.SourceWorkItemId);
return(tfsUpdateDocument.UpdateDocument);
}
protected override TfsUpdateDocument SubmitAttachmentChanges(IMigrationAction action, ConflictManager conflictMgrService)
{
/*
* retrieve change details
*/
XmlDocument desc = action.MigrationActionDescription;
XmlElement rootNode = desc.DocumentElement;
Debug.Assert(null != rootNode);
XmlNode attachmentNode = rootNode.FirstChild;
string originalName = attachmentNode.Attributes["Name"].Value;
string utcCreationDate = attachmentNode.Attributes["UtcCreationDate"].Value;
string utcLastWriteDate = attachmentNode.Attributes["UtcLastWriteDate"].Value;
string length = attachmentNode.Attributes["Length"].Value;
string comment = attachmentNode.FirstChild.InnerText;
int targetWorkItemId = FindTargetWorkItemId(action, conflictMgrService);
string targetRevision = rootNode.Attributes["TargetRevision"].Value;
/*
* create operation document
*/
TfsUpdateDocument tfsUpdateDocument = InitializeUpdateDocument();
tfsUpdateDocument.CreateWorkItemUpdateDoc(targetWorkItemId.ToString(), targetRevision);
/*
* insert Connector specific comment
*/
WorkItem item = WorkItemStore.GetWorkItem(targetWorkItemId);
Debug.Assert(null != item, "target work item does not exist");
tfsUpdateDocument.InsertConversionHistoryCommentToHistory(item.Type.Name, GenerateMigrationHistoryComment(action));
int[] fileId = FindAttachmentFileId(targetWorkItemId, originalName,
utcCreationDate, utcLastWriteDate, length, comment);
/*
* delete attachment
*/
if (action.Action == WellKnownChangeActionId.DelAttachment)
{
if (fileId.Length == 0)
{
action.State = ActionState.Skipped;
return(null);
}
else
{
tfsUpdateDocument.RemoveAttachment(fileId[0]);
return(tfsUpdateDocument);
}
}
/*
* add attachment
*/
try
{
string sourceStoreCountString = attachmentNode.Attributes["CountInSourceSideStore"].Value;
int sourceStoreCount;
if (int.TryParse(sourceStoreCountString, out sourceStoreCount))
{
if (sourceStoreCount <= fileId.Length)
{
action.State = ActionState.Skipped;
return(null);
}
}
}
catch (Exception e)
{
TraceManager.TraceVerbose(e.ToString());
// for backward compatibility, just proceed
}
if (AttachmentIsOversized(length))
{
MigrationConflict conflict = new FileAttachmentOversizedConflictType().CreateConflict(
originalName, length, MaxAttachmentSize, targetWorkItemId.ToString(), Core.ServerName, Core.Config.Project, action);
List <MigrationAction> actions;
ConflictResolutionResult resolveRslt = conflictMgrService.TryResolveNewConflict(conflictMgrService.SourceId, conflict, out actions);
if (!resolveRslt.Resolved)
{
return(null);
}
if (resolveRslt.ResolutionType == ConflictResolutionType.SuppressedConflictedChangeAction)
{
action.State = ActionState.Skipped;
return(null);
}
if (resolveRslt.ResolutionType == ConflictResolutionType.Other)
{
// conflict resolved, just proceed
}
else
{
throw new NotImplementedException();
}
}
Guid fileGuid = Guid.NewGuid();
tfsUpdateDocument.AddAttachment(originalName, XmlConvert.ToString(fileGuid),
utcCreationDate, utcLastWriteDate, length, comment);
// get areaNodeUri - required by Dev10 OM
Project project = item.Project;
string projectNodeUri = (project.Uri).ToString();
string areaNodeUri = string.Empty;
if (project.Id == item.AreaId)
{
areaNodeUri = Core.AreaNodeUri;
}
else
{
// Loop through the area root nodes looking for the one we're on
foreach (Node node in project.AreaRootNodes)
{
// It could be one of the root nodes
if (node.Id == item.AreaId)
{
areaNodeUri = node.Uri.ToString();
break;
}
// Now check if it is a child of the current area root node
try
{
Node node2 = node.FindNodeInSubTree(item.AreaId);
areaNodeUri = node2.Uri.ToString();
break;
}
catch (DeniedOrNotExistException)
{
// Ignore if not found, go onto the next area root node
continue;
}
}
}
//Now upload the file since that has to be done before the Xml batch is executed.
Debug.Assert(!string.IsNullOrEmpty(LocalWorkDir));
string filePath = Path.Combine(LocalWorkDir, fileGuid.ToString());
action.SourceItem.Download(filePath);
using (var strm = File.OpenRead(filePath))
{
var f = new FileAttachment();
f.AreaNodeUri = areaNodeUri;
f.ProjectUri = projectNodeUri;
f.FileNameGUID = fileGuid;
f.LocalFile = strm; // attachment.GetFileContents();
WorkItemServer.UploadFile(f);
}
if (File.Exists(filePath))
{
File.Delete(filePath);
}
return(tfsUpdateDocument);
}
/// <summary>
/// This method is called when an attempt to add a link in the force sync case fails because a parent link already exists
/// In this case we attempt to delete the existing parent link and retry the add link operation
/// </summary>
/// <param name="linkChangeAction">The LinkChangeAction object</param>
/// <param name="updateDocumentThatFailed">The XmlDocument that was submitted to add the link that resulted in the error</param>
/// <returns>True if successful at removing the existing parent and adding the new parent; false if not</returns>
private bool DeleteExistingParentLinkToForceSyncAddLink(LinkChangeAction linkChangeAction, XmlDocument updateDocumentThatFailed)
{
// Get target work item ...
string targetItem = TfsWorkItemHandler.IdFromUri(linkChangeAction.Link.TargetArtifact.Uri);
WorkItem targetWorkItem = null;
try
{
int targetWorkItemId = int.Parse(targetItem);
targetWorkItem = base.WorkItemStore.GetWorkItem(targetWorkItemId);
}
catch (FormatException)
{
}
catch (DeniedOrNotExistException)
{
}
if (targetWorkItem != null)
{
// Delete its parent link ...
string linkType = linkChangeAction.Link.LinkType.ReferenceName;
WorkItemLink linkToRemove = null;
foreach (WorkItemLink link in targetWorkItem.WorkItemLinks)
{
if (!link.LinkTypeEnd.IsForwardLink &&
string.Equals(link.LinkTypeEnd.LinkType.ReferenceName, linkType))
{
linkToRemove = link;
break;
}
}
if (linkToRemove != null)
{
try
{
// Create a delete LinkChangeAction by copying from the add LinkChangeAction and
// changing the SourceId which is the parent in the add parent link case.
LinkChangeAction deletelinkChangeAction = new LinkChangeAction(WellKnownChangeActionId.Delete, linkChangeAction.Link, linkChangeAction.Status, false);
deletelinkChangeAction.Link.SourceArtifact.Uri = TfsWorkItemHandler.UriFromId(linkToRemove.TargetId.ToString());
TfsUpdateDocument tfsUpdateDocument = InitializeUpdateDocument();
var handler = deletelinkChangeAction.Link.LinkType as ILinkHandler;
Debug.Assert(null != handler);
handler.UpdateTfs(tfsUpdateDocument, deletelinkChangeAction);
XmlDocument[] xmlUpdateDocuments = new XmlDocument[] { tfsUpdateDocument.UpdateDocument };
UpdateResult[] deleteExistingParentResults = TfsBatchUpdateHelper.Submit(Core, WorkItemServer, xmlUpdateDocuments);
Debug.Assert(deleteExistingParentResults.Length == 1);
if (deleteExistingParentResults[0].Exception != null)
{
throw deleteExistingParentResults[0].Exception;
}
}
catch (Exception ex)
{
TraceManager.TraceWarning(String.Format(CultureInfo.InvariantCulture,
"An exception occurred while trying to remove the parent link to force sync a link change to target work item {0}: {1}",
targetWorkItem.Id, ex.ToString()));
targetWorkItem = null;
}
if (targetWorkItem != null)
{
// Retry the operation
XmlDocument[] retryDocuments = new XmlDocument[1] {
updateDocumentThatFailed
};
UpdateResult[] retryResults = TfsBatchUpdateHelper.Submit(Core, WorkItemServer, retryDocuments);
if (retryResults.Length != retryDocuments.Length)
{
throw new SynchronizationEngineException("Wrong number of link update results.");
}
if (retryResults[0].Exception == null)
{
// Successfully retried after removing existing parent; don't create conflict
return(true);
}
else
{
TraceManager.TraceWarning(String.Format(CultureInfo.InvariantCulture,
"An exception occurred while trying to force sync a link change to target work item {0}: {1}",
targetWorkItem.Id, retryResults[0].Exception.ToString()));
}
}
}
}
return(false);
}
