/**
* @param $tagId
* @param $relationType
* @return \Illuminate\Support\Collection|null|static
*/
public function getTagById($tagId, $relationType = TAG_RELATION_TYPE_MENU)
{
$tagModel = new tagModel();
$tag = $tagModel->getTagById($tagId, $relationType);
if ($tagModel->getSubTags($tagId, $relationType)) {
$tag->childs = $tagModel->getSubTags($tagId, $relationType);
}
return $tag;
}
