private static List<PageIndexItem> SortPages(List<PageIndexItem> pages, SortOrder sortOrder, SortDirection sortDirection) {
switch (sortOrder) {
case SortOrder.CreatedDate:
pages = pages.OrderBy(p => p.CreatedDate).ToList();
break;
case SortOrder.PageName:
pages = pages.OrderBy(p => p.PageName).ToList();
break;
case SortOrder.SortIndex:
pages = pages.OrderBy(p => p.SortOrder).ToList();
break;
case SortOrder.StartPublishDate:
pages = pages.OrderBy(p => p.StartPublish ?? DateTime.MinValue).ToList();
break;
case SortOrder.UpdateDate:
pages = pages.OrderBy(p => p.UpdateDate).ToList();
break;
}
if (sortDirection == SortDirection.Descending) {
pages.Reverse();
}
return pages;
}
