private void ExtractFieldDetails(WorkItem tfsWorkItem, int revision, bool useDeltaComputeFieldSkipLogic)
{
IsRevisionValid(tfsWorkItem, revision);
Revision rev = tfsWorkItem.Revisions[revision - 1];
foreach (Field field in rev.Fields)
{
if (useDeltaComputeFieldSkipLogic)
{
if (TfsMigrationWorkItem.MustTakeTfsField(field.FieldDefinition))
{
AddField(field.ReferenceName, field.Name, field.FieldDefinition.FieldType.ToString(), (field.Value == null) ? string.Empty : field.Value.ToString());
}
}
else
{
if (!field.IsComputed ||
string.Equals(field.ReferenceName, "System.AreaPath", StringComparison.OrdinalIgnoreCase) ||
string.Equals(field.ReferenceName, "System.IterationPath", StringComparison.OrdinalIgnoreCase))
{
AddField(field.ReferenceName, field.Name, field.FieldDefinition.FieldType.ToString(), (field.Value == null) ? string.Empty : field.Value.ToString());
}
}
}
}
private void UpdateActionDescription(Field f, IMigrationAction action, object newValue)
{
TraceManager.TraceInformation("Correcting field '{0}' with new value '{1}'", f.ReferenceName, newValue ?? "null");
XmlNode fieldCol = action.MigrationActionDescription.SelectSingleNode(
string.Format("/WorkItemChanges/Columns/Column[@ReferenceName='{0}']", f.ReferenceName));
if (fieldCol == null)
{
// field column does not exist in the update document
XmlNode columnsNode = action.MigrationActionDescription.SelectSingleNode("/WorkItemChanges/Columns");
var newFieldCol = (newValue == null)
? TfsMigrationWorkItem.CreateFieldColumn(action.MigrationActionDescription, f)
: TfsMigrationWorkItem.CreateFieldColumn(action.MigrationActionDescription, f, newValue);
columnsNode.AppendChild(newFieldCol);
}
else
{
object translatedValue = (newValue == null)
? TfsMigrationWorkItem.TranslateFieldValue(f)
: TfsMigrationWorkItem.TranslateFieldValue(f, newValue);
string updatedFieldValue = (translatedValue == null ? string.Empty : translatedValue.ToString());
fieldCol.FirstChild.InnerText = updatedFieldValue;
}
}
/// <summary>
/// extract un-synced revisions with details of the item and persist them to db
/// </summary>
/// <param name="item"></param>
/// <param name="tfsWitWaterMark"></param>
/// <returns></returns>
private List <ChangeGroup> ComputeDelta(TfsMigrationWorkItem item, DateTime waterMarkChangeStartTime)
{
List <ChangeGroup> groups = new List <ChangeGroup>();
ComputeFieldDelta(item, waterMarkChangeStartTime, groups);
ComputeAttachmentDelta(item, waterMarkChangeStartTime, groups);
return(groups);
}
private void ComputeAttachmentDelta(TfsMigrationWorkItem item, DateTime waterMarkChangeStartTime, List <ChangeGroup> groups)
{
if (!m_supportedChangeActionsOther.Contains(WellKnownChangeActionId.AddAttachment) &&
!m_supportedChangeActionsOther.Contains(WellKnownChangeActionId.DelAttachment))
{
return;
}
item.ComputeAttachmentDelta(m_changeGroupService,
waterMarkChangeStartTime,
TranslationService,
m_configurationService.SourceId,
groups);
}
private void ComputeFieldDelta(TfsMigrationWorkItem item, DateTime waterMarkChangeStartTime, List <ChangeGroup> groups)
{
TraceManager.TraceInformation(string.Format(
"Start generating revision delta information for Work Item #{0} at {1}",
item.WorkItem.Id,
DateTime.Now.ToString("o")));
item.ComputeFieldDelta(m_changeGroupService,
waterMarkChangeStartTime,
TfsValueComparer,
TranslationService,
m_configurationService,
groups,
IsWorkItemRevisionProcessed);
}