/**
  * Update the specified resource in storage.
  *
  * @param  \App\Http\MedicineRequest  $request
  * @param  Medicine $medicine
  * @return \Illuminate\Http\Response
  */
 public function update(MedicineRequest $request, Medicine $medicine)
 {
     $medicine->fill($request->all());
     $medicine->save();
     return ($returnPath = Session::get('backTo')) ? redirect($returnPath) : redirect('/medicine');
 }