/**
  * Get the series.
  *
  * @param  int  $limit
  * @return void
  */
 protected function getSeries($limit = null)
 {
     $series = Series::whereHas('posts', function ($query) {
         $query->published();
     })->take($limit)->get();
     foreach ($series as $singleSeries) {
         Sitemap::addTag(route('series.show', $singleSeries), $singleSeries, 'weekly', '0.8');
     }
 }
 /**
  * GET /series
  * Get a listing of all series.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\View\View
  */
 public function index(Request $request)
 {
     $series = Series::whereHas('posts', function ($query) {
         $query->published();
     })->paginate(25);
     $page = $request->get('page');
     $title = $page ? "All series (Page {$page})" : 'All series';
     return view('series.index', compact('series'))->withTitle($title);
 }