private async Task RemoveFromParentsChildrenCollection(Node oldDir, NodeID oldId, IDatabaseSession db)
{
var toRemove = oldDir?.Attributes?.Items
.FirstOrDefault(kv => kv.Key.Equals(Attr.Children))
?.Value.Map?.Items?.FirstOrDefault(x => x.Key.Equals(oldId));
if (toRemove != null)
{
var dataToRemove = new Node
{
Id = oldDir.Id,
Attributes = new Map
{
Items = new List <KeyValue>()
{
Utils.Prop(DateTime.UtcNow.Ticks,
Attr.Children,
new Map
{
Items = new List <KeyValue>()
{
toRemove,
}
})
}
}
};
// Merge these new fields into the existing node.
await db.Except(dataToRemove);
}
}
