/**
  * Filter model to subset with the given tags
  *
  * @param $tagNames array|string
  */
 public function scopeWithAnyTag($query, $tagNames)
 {
     $tagNames = TaggingUtil::makeTagArray($tagNames);
     $tagNames = array_map($this->namespace . '\\TaggingUtil::slug', $tagNames);
     return $query->whereHas('tagged', function ($q) use($tagNames) {
         $q->whereIn('tag_slug', $tagNames);
     });
 }