/**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(Request $request)
 {
     $validator = Validator::make($request->all(), ['name' => 'required|unique:product_categories']);
     if ($validator->fails()) {
         return redirect()->back()->withErrors($validator)->withInput();
     }
     $productCategory = new ProductCategory();
     $productCategory->name = $request->get('name');
     $productCategory->slug = str_slug($productCategory->name);
     $productCategory->save();
     return redirect('/productcategory');
 }