/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id, PagesRepo $pages_repo)
 {
     $page = $pages_repo->getByid($id);
     $page->update(['content' => $request->input('content'), 'title' => $request->input('title'), 'featured_image_id' => $request->input('featured_image_id')]);
     flash()->success('Pagina modificata con successo.');
     return redirect()->to('/admin/pagine/' . $page->id . '/modifica');
 }