/// <summary>
/// Answer an enumeration of all topic in the ContentBase, sorted using the supplied IComparer (does not include imports)
/// </summary>
/// <param name="comparer">Used to sort the topics in the answer</param>
/// <returns>Enumeration of AbsoluteTopicNames</returns>
protected IEnumerable AllTopicsSorted(IComparer comparer)
{
ArrayList answer = new ArrayList();
ArrayList all = new ArrayList();
Set present = new Set();
foreach (SqlInfoForTopic each in SqlHelper.GetSqlTopicInfoForNonArchiveTopics(Namespace, comparer != null, _ConnectionString))
{
SqlInfoTopicData td = new SqlInfoTopicData(each, Namespace);
all.Add(td);
present.Add(td.Name);
}
bool sortAgain = false;
foreach (BackingTopic each in BackingTopics.Values)
{
BackingTopicTopicData td = new BackingTopicTopicData(each);
if (present.Contains(td.Name))
continue;
sortAgain = true;
all.Add(td);
}
if (comparer != null && sortAgain)
all.Sort(comparer);
foreach (TopicData each in all)
{
AbsoluteTopicName name = new AbsoluteTopicName(each.Name, each.Namespace);
answer.Add(name);
}
return answer;
}
/// <summary>
/// Answer the identify of the author who last modified a given topic
/// </summary>
/// <param name="topic"></param>
/// <returns>a user name</returns>
public override string GetTopicLastAuthor(LocalTopicName topic)
{
SqlInfoForTopic latestVersionInfo = SqlHelper.GetSqlTopicInfoForLatestTopicVersion(Namespace, topic.Name, _ConnectionString );
if (latestVersionInfo == null)
{
BackingTopic back = GetBackingTopicNamed(topic);
if (back != null)
return back.LastAuthor;
return AnonymousUserName;
}
TopicData info = new SqlInfoTopicData(latestVersionInfo, Namespace);
string auth = info.Author;
if (auth == null)
return AnonymousUserName;
return auth;
}