private async Task MigrateWorkItemRelationsAsync(MigrationContext context, IEnumerable <WorkItemRelation> relations, WorkItem targetItem, CancellationToken cancellationToken)
{
var doc = new JsonPatchDocument();
foreach (var relation in relations)
{
var isChild = relation.IsChild();
var isParent = !isChild && relation.IsParent();
var isRelated = !isChild && !isParent && relation.IsRelated();
//Not a relation we care about
if (!isChild && !isParent && !isRelated)
{
continue;
}
//Get the related item information
var relatedId = relation.GetRelatedId();
if (relatedId <= 0)
{
continue;
}
var related = context.GetMigratedWorkItem(relatedId);
if (isChild)
{
//If the child has been migrated then add a child link to the related item
//else if the target isn't closed (or the override setting is set) then add the related item to migration list
if (related != null)
{
if (related.TargetId != 0)
{
Logger.Debug($"Adding Child link to {related.TargetId}");
doc.AddLink(WorkItemRelations.Child, related.TargetUrl);
}
else
{
Logger.Warning($"Skipping Child link to {related.SourceId} because it failed to migrate");
}
}
else if (!targetItem.IsClosed() || Settings.IncludeChildLinksOnClosed)
{
Logger.Debug($"Adding Child link {relatedId} to migration list");
AddToMigrationQueue(context.MigrationQueue, new MigratedWorkItem()
{
SourceId = relatedId
});
}
;
}
else if (isParent)
{
//If the parent has already been migrated then add a parent link to the related item
if (related != null)
{
if (related.TargetId != 0)
{
Logger.Debug($"Adding Parent link to {related.TargetId}");
doc.AddLink(WorkItemRelations.Parent, related.TargetUrl);
}
else
{
Logger.Warning($"Skipping Parent link to {related.SourceId} because it failed to migrate");
}
}
else if (!targetItem.IsClosed() || Settings.IncludeParentLinksOnClosed)
{
Logger.Debug($"Adding Parent link {relatedId} to migration list");
AddToMigrationQueue(context.MigrationQueue, new MigratedWorkItem()
{
SourceId = relatedId
});
}
;
}
else if (isRelated)
{
//If the related item has already been migrated then add a related link to it
//else if the target is not closed (or the override setting is set) then add the related item to the migration list
if (related != null)
{
if (related.TargetId != 0)
{
Logger.Debug($"Adding Related link to {related.TargetId}");
doc.AddLink(WorkItemRelations.Related, related.TargetUrl);
}
else
{
Logger.Warning($"Skipping Related link to {related.SourceId} because it failed to migrate");
}
}
else if (!targetItem.IsClosed() || Settings.IncludeRelatedLinksOnClosed)
{
Logger.Debug($"Adding Related link {relatedId} to migration list");
AddToMigrationQueue(context.MigrationQueue, new MigratedWorkItem()
{
SourceId = relatedId
});
}
;
}
; //else ignore
cancellationToken.ThrowIfCancellationRequested();
}
;
//If we have made any changes then update the target
if (doc.Any())
{
await context.TargetService.UpdateWorkItemUnrestrictedAsync(targetItem, doc, cancellationToken).ConfigureAwait(false);
}
}