/**
  * Get the query object to be processed by datatables.
  *
  * @return \Illuminate\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder
  */
 public function query()
 {
     $articles = Article::with('category')->whereHas('category', function ($q) {
         $q->where('language_id', session('current_lang')->id);
     });
     return $this->applyScopes($articles);
 }
 /**
  * Get article data from 'LTF Talk' category to first page
  * @return mixed
  */
 public function getLatestTalk()
 {
     $category = 'LTF Talk';
     $talk = Article::with(['category', 'user'])->whereHas('category', function ($query) use($category) {
         $query->where('title', '=', $category);
     })->published()->orderBy('published_at', 'desc')->take(1)->get();
     return $talk;
 }