protected override void OnNodeDeletedPhysically(object sender, NodeEventArgs e)
{
base.OnNodeDeletedPhysically(sender, e);
SharingHandler.OnContentDeleted(e?.SourceNode);
// if there are sharing groups that should be deleted
var sharingGroupIds = e?.GetCustomData(SharingGroupIdsCustomDataKey) as int[];
if (sharingGroupIds?.Any() ?? false)
{
//TODO: if the list is too big, postpone deleting the groups
// using a local task management API.
System.Threading.Tasks.Task.Run(() =>
{
try
{
using (new SystemAccount())
{
Parallel.ForEach(sharingGroupIds.Select(Node.LoadNode).Where(n => n != null),
new ParallelOptions {
MaxDegreeOfParallelism = 4
},
group => group.ForceDelete());
}
}
catch (System.Exception ex)
{
SnLog.WriteException(ex, "Error during deleting sharing groups.");
}
});
}
}
protected override void OnNodeCreated(object sender, NodeEventArgs e)
{
base.OnNodeCreated(sender, e);
if (e?.SourceNode is User user)
{
SharingHandler.OnUserCreated(user);
}
}
protected override void OnNodeDeletingPhysically(object sender, CancellableNodeEventArgs e)
{
base.OnNodeDeletingPhysically(sender, e);
// Collect sharing group ids for publicly shared content
// in the subtree to delete them later in the background.
var sharingGroupIds = SharingHandler.GetSharingGroupIdsForSubtree(e.SourceNode);
if (sharingGroupIds?.Any() ?? false)
{
e.SetCustomData(SharingGroupIdsCustomDataKey, sharingGroupIds);
}
}
protected override void OnNodeModified(object sender, NodeEventArgs e)
{
base.OnNodeModified(sender, e);
if (!(e.SourceNode is User user))
{
return;
}
var emailChange = e.ChangedData.FirstOrDefault(cd => cd.Name == "Email");
if (emailChange == null)
{
return;
}
SharingHandler.OnUserChanged(user, (string)emailChange.Original);
}