/**
  * Show the form for editing the specified Tracking.
  *
  * @param  int $id
  *
  * @return Response
  */
 public function edit($id)
 {
     $tracking = $this->trackingRepository->findWithoutFail($id);
     $facings = Facing::lists('name', 'id');
     $products = Product::lists('name', 'id');
     $brands = Brand::lists('name', 'id');
     $users = User::lists('name', 'id');
     if (empty($tracking)) {
         Flash::error('Tracking not found');
         return redirect(route('trackings.index'));
     }
     return view('trackings.edit')->with('tracking', $tracking)->with('facings', $facings)->with('products', $products)->with('brands', $brands)->with('users', $users);
 }