/**
  * Implement update($id, $input)
  */
 public function update($id, $input)
 {
     $item = $this->find($id);
     Log::info("Update Article {$id}", $input);
     $updatedArticle = $item->update($input);
     foreach ($item->additional as $name => $value) {
         if (isset($input[$name])) {
             $additional = ItemAdditional::where('objectID', $id)->where('Name', $name)->first();
             if (isset($additional)) {
                 if ($value != $input[$name]) {
                     $additional->update(['Value' => $input[$name]]);
                 }
             } else {
                 ItemAdditional::create(['objectID' => $id, 'Name' => $name, 'Value' => $input[$name]]);
             }
         }
     }
     //dd(__METHOD__.'('.__LINE__.')',compact('id', 'input', 'item','updatedItem'));
     return $updatedArticle;
 }