private IEnumerable <TextContent> GetFolderCategories(TextFolder folder)
{
folder = folder.AsActual();
IEnumerable <TextContent> categories = new TextContent[0];
if (folder.Categories != null)
{
foreach (var categoryFolderName in folder.Categories)
{
var categoryFolder = (TextFolder)(FolderHelper.Parse <TextFolder>(Repository, categoryFolderName.FolderName).AsActual());
var contents = categoryFolder.CreateQuery();
categories = categories.Concat(contents).ToArray();
}
}
return(categories);
}