public function showMedicines(Request $request)
 {
     if (isset($request['name'])) {
         $medicines = Medicine::likeName(Auth::user()->id, $request['name'])->get();
         if ($medicines->isEmpty()) {
             $medicines = Auth::user()->medicines;
         }
     } else {
         $medicines = Auth::user()->medicines;
     }
     return $medicines;
 }