private void CheckUniqueUser()
{
var path = Path;
if (!path.StartsWith(string.Concat(Repository.ImsFolderPath, RepositoryPath.PathSeparator)) || Parent.Path == Repository.ImsFolderPath)
{
throw new InvalidOperationException("Invalid path: user nodes can only be saved under a /Root/IMS/[DomainName] folder.");
}
string domainPath = path.Substring(0, Repository.ImsFolderPath.Length + 1 + path.Substring(Repository.ImsFolderPath.Length + 1).IndexOf('/') + 1);
//We validate here the uniqueness of the user. The constraint is the user name itself and that in Active Directory
//there must not exist two users and/or groups with the same name under a domain. Organizational units may have
//the same name as a user.
//CONDITIONAL EXECUTE
IEnumerable<int> identifiers;
int count;
if (StorageContext.Search.IsOuterEngineEnabled && StorageContext.Search.SearchEngine != InternalSearchEngine.Instance)
{
var query = new NodeQuery();
var nameExpression = new StringExpression(StringAttribute.Name, StringOperator.Equal, Name);
var pathExpression = new StringExpression(StringAttribute.Path, StringOperator.StartsWith, domainPath);
var orTypes = new ExpressionList(ChainOperator.Or);
orTypes.Add(new TypeExpression(ActiveSchema.NodeTypes["User"]));
orTypes.Add(new TypeExpression(ActiveSchema.NodeTypes["Group"]));
query.Add(pathExpression);
query.Add(nameExpression);
query.Add(orTypes);
var result = query.Execute();
identifiers = result.Identifiers;
count = result.Count;
}
else
{
var nodes = NodeQuery.QueryNodesByTypeAndPathAndName(new List<NodeType> { ActiveSchema.NodeTypes["User"], ActiveSchema.NodeTypes["Group"] }, false, domainPath, false, Name).Nodes;
var nodeList = nodes as NodeList<Node>;
if (nodeList != null)
{
identifiers = nodeList.GetIdentifiers();
count = nodeList.Count;
}
else
{
identifiers = nodes.Select(x => x.Id);
count = identifiers.Count();
}
}
if (count > 1 || (count == 1 && identifiers.First() != this.Id))
{
var ids = String.Join(", ", (from x in identifiers select x.ToString()).ToArray());
throw GetUniqueUserException(domainPath, ids);
}
}
private Exception GetUniqueUserException(string domainPath, string ids)
