private List <string> CloneUserWithNewId(IEnumerable <StreamResult <TUser> > users)
{
var userIdsToDelete = new List <string>(CountUsers());
var nextUserId = this.newUserIdType == UserIdType.Consecutive ?
GetNextIdForUser() :
-1;
using var bulkInsert = docStore.BulkInsert();
foreach (var userStream in users)
{
var user = userStream.Document;
// Figure out what the new ID will be.
var newId = Conventions.UserIdFor(user, this.newUserIdType, this.docStore);
if (this.newUserIdType == UserIdType.Consecutive && newId != null && newId.EndsWith("|"))
{
// We'll need to specify the full ID, as bulk insert doens't work with "Users|" type IDs.
newId = Conventions.CollectionNameWithSeparator <TUser>(docStore) + nextUserId.ToString();
nextUserId++;
}
// See if we actually need a new ID.
// If not, we can skip processing this user.
var needsNewId = !string.Equals(newId, user.Id);
if (needsNewId)
{
// Strip off the existing ID, otherwise bulk insert will pick it up and use the existing.
user.Id = null;
userStream.Metadata.Remove("@id");
// Clone the user with the new ID.
if (newId != null)
{
bulkInsert.Store(user, newId, userStream.Metadata);
}
else
{
bulkInsert.Store(user, userStream.Metadata);
}
// Step 3a, queue up the delete for the existing user.
var isNewId = !string.Equals(user.Id, userStream.Id, StringComparison.OrdinalIgnoreCase);
if (isNewId)
{
userIdsToDelete.Add(userStream.Id);
}
}
}
return(userIdsToDelete);
}