/**
* Get the children.
*
* @return \Luminous\Bridge\Post\Query\Builder
*/
protected function getChildrenAttribute()
{
return WP::posts($this->type)->wherePost('parent_id', $this->id);
}
/**
* Get the older post.
*
* @return \Luminous\Bridge\Post\Entity|null
*/
public function getOlderAttribute()
{
return WP::posts($this->type)->whereDate('created_at', '<', $this->created_at)->orderBy('created_at', 'desc')->first();
}