public function store(Request $request)
 {
     $destino = $request->input('destino');
     $ruta_id = $request->input('ruta');
     if ($ruta_id > 0) {
         try {
             DB::beginTransaction();
             $nuevodestino = new Destino();
             $nuevodestino->destino = $destino;
             $nuevodestino->ruta_id = $ruta_id;
             $nuevodestino->save();
             DB::commit();
             return redirect()->route('destino.index');
         } catch (QueryException $ex) {
             DB::rollBack();
             return redirect()->route('destino.create');
         }
     } else {
         return redirect()->route('destino.create');
     }
 }