How to turn post to draft based on negative voting

Here is code snippet for this

add_action('rh_overall_post_likes_add', 'set_badge_hot_counter');
function set_badge_hot_counter(){
   $post_id = intval( $_POST['post_id'] );
   $hotcount = get_post_meta($post_id, 'post_hot_count', true);
   if($hotcount && $hotcount < 10){
       $my_post = array();
       $my_post['ID'] = $post_id; 
       $my_post['post_status'] = 'draft';
       wp_update_post( $my_post );
   }
}

You must place code in functions.php of child theme. Check how to customize theme