/**
  * Update News
  *
  * @param $id
  * @param $title
  * @param $slug
  * @param $category
  * @param $content
  * @param $addFiles
  * @param $removeFiles
  * @return mixed
  */
 public function update($id, $title, $slug, $category, $content, $addFiles, $removeFiles)
 {
     $category = Category::findOrFail($category);
     $news = News::findOrFail($id);
     try {
         $news->category_id = $category->id;
         $news->user_id = \Auth::user()->id;
         $news->slug = $slug;
         $news->save();
         //cria as traduções
         foreach ($content as $iso => $value) {
             $lang = Lang::whereIso($iso)->first();
             $this->translationRepositoryInterface->updateKeyValue($lang->id, 'news', $news->id, $value, $title[$iso]);
         }
         //adiciona novas imagens
         if (!is_null($addFiles)) {
             foreach ($addFiles as $file) {
                 $this->mediaRepositoryInterface->updateTable($file, 'news', $news->id);
             }
         }
         if (!is_null($removeFiles)) {
             //remove imagens
             foreach ($removeFiles as $file_id) {
                 $this->mediaRepositoryInterface->deleteById($file_id);
             }
         }
     } catch (\Exception $e) {
         \Log::error($e);
         return false;
     }
     return true;
 }