public CourseFolder[] GetFolders()
{
if (folders == null)
{
// TODO: Optimize Course.GetFolders() regex.
var contentIds = Regex.Matches(GetSource(), "content_id=(_[0-9]*_[0-9]*?).*?<span.*?>(.*?)</span>");
folders = new CourseFolder[contentIds.Count];
for (int i = 0; i < folders.Length; ++i)
{
folders[i] = new CourseFolder(Session, Id, contentIds[i].Groups[1].Value, contentIds[i].Groups[2].Value);
}
}
return(folders);
}
public CourseFolder[] GetFolders(bool update = false)
{
if (folders == null)
{
// TODO: Optimize CourseFolder.GetFolders() regex.
MatchCollection folderMatches = Regex.Matches(GetSource(update), "content_id=(_[0-9]*_[0-9]*?)\".*?<span.*?>(.*?)</span>");
folders = new CourseFolder[folderMatches.Count];
for (int i = 0; i < folders.Length; ++i)
{
folders[i] = new CourseFolder(Session, courseId, folderMatches[i].Groups[1].Value,
folderMatches[i].Groups[2].Value);
}
}
return(folders);
}