/// <summary>
/// Updates indexes based on content changes
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void Handle(ContentCacheRefresherNotification args)
{
if (!_umbracoIndexingHandler.Enabled)
{
return;
}
if (Suspendable.ExamineEvents.CanIndex == false)
{
return;
}
if (args.MessageType != MessageType.RefreshByPayload)
{
throw new NotSupportedException();
}
// Used to track permanent deletions so we can bulk delete from the index
// when needed. For example, when emptying the recycle bin, else it will
// individually update the index which will be much slower.
HashSet <int> deleteBatch = null;
foreach (var payload in (ContentCacheRefresher.JsonPayload[])args.MessageObject)
{
if (payload.ChangeTypes.HasType(TreeChangeTypes.Remove))
{
if (deleteBatch == null)
{
deleteBatch = new HashSet <int>();
}
deleteBatch.Add(payload.Id);
}
else if (payload.ChangeTypes.HasType(TreeChangeTypes.RefreshAll))
{
// ExamineEvents does not support RefreshAll
// just ignore that payload
// so what?!
// TODO: Rebuild the index at this point?
}
else // RefreshNode or RefreshBranch (maybe trashed)
{
if (deleteBatch != null && deleteBatch.Contains(payload.Id))
{
// the same node has already been deleted, to ensure ordering is
// handled, we'll need to execute all queued deleted items now
// and reset the deleted items list.
_umbracoIndexingHandler.DeleteIndexForEntities(deleteBatch, false);
deleteBatch = null;
}
// don't try to be too clever - refresh entirely
// there has to be race conditions in there ;-(
var content = _contentService.GetById(payload.Id);
if (content == null)
{
// gone fishing, remove entirely from all indexes (with descendants)
_umbracoIndexingHandler.DeleteIndexForEntity(payload.Id, false);
continue;
}
IContent published = null;
if (content.Published && _contentService.IsPathPublished(content))
{
published = content;
}
if (published == null)
{
_umbracoIndexingHandler.DeleteIndexForEntity(payload.Id, true);
}
// just that content
_umbracoIndexingHandler.ReIndexForContent(content, published != null);
// branch
if (payload.ChangeTypes.HasType(TreeChangeTypes.RefreshBranch))
{
var masked = published == null ? null : new List <int>();
const int pageSize = 500;
var page = 0;
var total = long.MaxValue;
while (page * pageSize < total)
{
var descendants = _contentService.GetPagedDescendants(content.Id, page++, pageSize, out total,
//order by shallowest to deepest, this allows us to check it's published state without checking every item
ordering: Ordering.By("Path", Direction.Ascending));
foreach (var descendant in descendants)
{
published = null;
if (masked != null) // else everything is masked
{
if (masked.Contains(descendant.ParentId) || !descendant.Published)
{
masked.Add(descendant.Id);
}
else
{
published = descendant;
}
}
_umbracoIndexingHandler.ReIndexForContent(descendant, published != null);
}
}
}
}
// NOTE
//
// DeleteIndexForEntity is handled by UmbracoContentIndexer.DeleteFromIndex() which takes
// care of also deleting the descendants
//
// ReIndexForContent is NOT taking care of descendants so we have to reload everything
// again in order to process the branch - we COULD improve that by just reloading the
// XML from database instead of reloading content & re-serializing!
//
// BUT ... pretty sure it is! see test "Index_Delete_Index_Item_Ensure_Heirarchy_Removed"
}
if (deleteBatch != null)
{
// process the delete batch
_umbracoIndexingHandler.DeleteIndexForEntities(deleteBatch, false);
}
}
public void Handle(MediaCacheRefresherNotification args)
{
if (!_umbracoIndexingHandler.Enabled)
{
return;
}
if (Suspendable.ExamineEvents.CanIndex == false)
{
return;
}
if (args.MessageType != MessageType.RefreshByPayload)
{
throw new NotSupportedException();
}
// Used to track permanent deletions so we can bulk delete from the index
// when needed. For example, when emptying the recycle bin, else it will
// individually update the index which will be much slower.
HashSet <int> deleteBatch = null;
foreach (var payload in (MediaCacheRefresher.JsonPayload[])args.MessageObject)
{
if (payload.ChangeTypes.HasType(TreeChangeTypes.Remove))
{
if (deleteBatch == null)
{
deleteBatch = new HashSet <int>();
}
deleteBatch.Add(payload.Id);
}
else if (payload.ChangeTypes.HasType(TreeChangeTypes.RefreshAll))
{
// ExamineEvents does not support RefreshAll
// just ignore that payload
// so what?!
}
else // RefreshNode or RefreshBranch (maybe trashed)
{
if (deleteBatch != null && deleteBatch.Contains(payload.Id))
{
// the same node has already been deleted, to ensure ordering is
// handled, we'll need to execute all queued deleted items now
// and reset the deleted items list.
_umbracoIndexingHandler.DeleteIndexForEntities(deleteBatch, false);
deleteBatch = null;
}
var media = _mediaService.GetById(payload.Id);
if (media == null)
{
// gone fishing, remove entirely
_umbracoIndexingHandler.DeleteIndexForEntity(payload.Id, false);
continue;
}
if (media.Trashed)
{
_umbracoIndexingHandler.DeleteIndexForEntity(payload.Id, true);
}
// just that media
_umbracoIndexingHandler.ReIndexForMedia(media, !media.Trashed);
// branch
if (payload.ChangeTypes.HasType(TreeChangeTypes.RefreshBranch))
{
const int pageSize = 500;
var page = 0;
var total = long.MaxValue;
while (page * pageSize < total)
{
var descendants = _mediaService.GetPagedDescendants(media.Id, page++, pageSize, out total);
foreach (var descendant in descendants)
{
_umbracoIndexingHandler.ReIndexForMedia(descendant, !descendant.Trashed);
}
}
}
}
}
if (deleteBatch != null)
{
// process the delete batch
_umbracoIndexingHandler.DeleteIndexForEntities(deleteBatch, false);
}
}