/**
  * undocumented function
  *
  * @return void
  * @author 
  **/
 public function deleteDo()
 {
     $id = Input::get('id');
     $newsletter = Newsletter::remove($id);
     if ($newsletter) {
         return Redirect::route('admin.newsletter')->withStatuses(['delete' => 'Hapus Sukses!']);
     }
     return Redirect::route('admin.newsletter')->withErrors(['delete' => 'Hapus Gagal!']);
 }