/// <summary>
/// Builds the root folder.
/// </summary>
/// <param name="rootMedia">The root media.</param>
/// <returns></returns>
private UmbracoFolderModel BuildRootFolder(ConcurrentBag <IMedia> rootMedia)
{
var images = rootMedia.BuildImageModels(UserService);
var folders = rootMedia.BuildFolderModels(UserService);
var rootFolder = new UmbracoFolderModel(folders.ToList(), images.ToList());
return(rootFolder);
}