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<?php
/**
* @file classes/handler/HandlerValidatorSubmissionComment.inc.php
*
* Copyright (c) 2013-2019 Simon Fraser University
* Copyright (c) 2003-2019 John Willinsky
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* @class HandlerValidatorSubmissionComment
* @ingroup handler_validation
*
* @brief Class to validate that a comment exists (by id) and that the current user has access
*/
import('lib.pkp.classes.handler.validation.HandlerValidator');
class HandlerValidatorSubmissionComment extends HandlerValidator {
var $commentId;
var $user;
/**
* Constructor.
* @param $handler Handler the associated form
* @param $commentId int
* @param $user object Optional user
*/
function HandlerValidatorSubmissionComment(&$handler, $commentId, $user = null) {
parent::HandlerValidator($handler);
$this->commentId = $commentId;
if ($user) $this->user =& $user;
else $this->user =& Request::getUser();
}
/**
* Check if field value is valid.
* Value is valid if it is empty and optional or validated by user-supplied function.
* @return boolean
*/
function isValid() {
$isValid = true;
$articleCommentDao =& DAORegistry::getDAO('ArticleCommentDAO');
$comment =& $articleCommentDao->getArticleCommentById($this->commentId);
if ($comment == null) {
$isValid = false;
} else if ($comment->getAuthorId() != $this->user->getId()) {
$isValid = false;
}
if (!$isValid) {
Request::redirect(null, Request::getRequestedPage());
}
$handler =& $this->handler;
$handler->comment =& $comment;
return true;
}
}
?>