public function __construct($news = null) {
   parent::__construct();
   $this->news = $news;
   $this->sqlJoins .= " LEFT JOIN wcf" . WCF_N . "_user user_table ON (user_table.userID = " . $this->getDatabaseTableAlias() . ".userID)";
   $this->sqlJoins .= " LEFT JOIN wcf" . WCF_N . "_user_avatar user_avatar ON (user_avatar.avatarID = user_table.avatarID)";
   $this->sqlJoins .= " LEFT JOIN wcf" . WCF_N . "_user_option_value user_option_value ON (user_option_value.userID = user_table.userID)";
   
   if (MODULE_USER_RANK) {
      if (!empty($this->sqlSelects)) {
         $this->sqlSelects .= ",";
      }
      $this->sqlSelects .= "user_rank.*";
      $this->sqlJoins .= " LEFT JOIN wcf" . WCF_N . "_user_rank user_rank ON (user_rank.rankID = user_table.rankID)";
   }
   if ($this->news != null) {
      $this->conditionBuilder->add($this->getDatabaseTableAlias() . ".newsID = ?", [$this->news->newsID]);
   }
   if (!News::checkPermission("mod.news.canEnableUpdate")) {
      $this->conditionBuilder->add('(' . $this->getDatabaseTableAlias() . '.isDisabled = 0 OR ' . $this->getDatabaseTableAlias() . '.userID = ?)', [WCF::getUser()->userID]);
   }
   if (!News::checkPermission("mod.news.canDeleteUpdate")) {
      $this->conditionBuilder->add('(' . $this->getDatabaseTableAlias() . '.isDeleted = 0 OR ' . $this->getDatabaseTableAlias() . '.userID = ?)', [WCF::getUser()->userID]);
   }
}