public ActionResult ListOperation(int containerId, ListOperation operation, SortBy? sortBy, SortDirection? sortByDirection, PagerParameters pagerParameters) {
var items = _containerService.GetContentItems(containerId, VersionOptions.Latest).Select(x => x.As<ContainablePart>());
switch (operation) {
case ViewModels.ListOperation.Reverse:
_containerService.Reverse(items);
_services.Notifier.Information(T("The list has been reversed."));
break;
case ViewModels.ListOperation.Shuffle:
_containerService.Shuffle(items);
_services.Notifier.Information(T("The list has been shuffled."));
break;
case ViewModels.ListOperation.Sort:
_containerService.Sort(items, sortBy.GetValueOrDefault(), sortByDirection.GetValueOrDefault());
_services.Notifier.Information(T("The list has been sorted."));
break;
default:
_services.Notifier.Error(T("Please select an operation to perform on the list."));
break;
}
return RedirectToAction("List", new {containerId, page = pagerParameters.Page, pageSize = pagerParameters.PageSize});
}