<?php
//    MyDMS. Document Management System
//    Copyright (C) 2002-2005  Markus Westphal
//    Copyright (C) 2006-2008 Malcolm Cowe
//    Copyright (C) 2010 Matteo Lucarelli
//    Copyright (C) 2010-2016 Uwe Steinmann
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program; if not, write to the Free Software
//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

include("../inc/inc.Settings.php");
include("../inc/inc.LogInit.php");
include("../inc/inc.Utils.php");
include("../inc/inc.Language.php");
include("../inc/inc.Init.php");
include("../inc/inc.Extension.php");
include("../inc/inc.DBInit.php");
include("../inc/inc.ClassUI.php");
include("../inc/inc.Authentication.php");

/* Check if the form data comes from a trusted request */
if(!checkFormKey('editcomment')) {
	UI::exitError(getMLText("document_title", array("documentname" => getMLText("invalid_request_token"))),getMLText("invalid_request_token"));
}

if (!isset($_POST["documentid"]) || !is_numeric($_POST["documentid"]) || intval($_POST["documentid"])<1) {
	UI::exitError(getMLText("document_title", array("documentname" => getMLText("invalid_doc_id"))),getMLText("invalid_doc_id"));
}

$documentid = $_POST["documentid"];
$document = $dms->getDocument($documentid);

if (!is_object($document)) {
	UI::exitError(getMLText("document_title", array("documentname" => getMLText("invalid_doc_id"))),getMLText("invalid_doc_id"));
}

if ($document->getAccessMode($user) < M_READWRITE) {
	UI::exitError(getMLText("document_title", array("documentname" => $document->getName())),getMLText("access_denied"));
}

if($document->isLocked()) {
	$lockingUser = $document->getLockingUser();
	if (($lockingUser->getID() != $user->getID()) && ($document->getAccessMode($user) != M_ALL)) {
		UI::exitError(getMLText("document_title", array("documentname" => htmlspecialchars($document->getName()))),getMLText("lock_message", array("email" => $lockingUser->getEmail(), "username" => htmlspecialchars($lockingUser->getFullName()))));
	}
}

$versionid = $_POST["version"];
$version = $document->getContentByVersion($versionid);

if (!is_object($version)) {
	UI::exitError(getMLText("document_title", array("documentname" => $document->getName())),getMLText("invalid_version"));
}

$comment =  $_POST["comment"];

if (($oldcomment = $version->getComment()) != $comment) {
	if($version->setComment($comment)) {
		if($notifier) {
			$notifyList = $document->getNotifyList();
			$folder = $document->getFolder();

/*
			$subject = "###SITENAME###: ".$document->getName().", v.".$version->getVersion()." - ".getMLText("document_comment_changed_email");
			$message = getMLText("document_comment_changed_email")."\r\n";
			$message .= 
				getMLText("document").": ".$document->getName()."\r\n".
				getMLText("version").": ".$version->getVersion()."\r\n".
				getMLText("comment").": ".$comment."\r\n".
				getMLText("user").": ".$user->getFullName()." <". $user->getEmail() .">\r\n".
				"URL: ###URL_PREFIX###out/out.ViewDocument.php?documentid=".$document->getID()."&version=".$version->getVersion()."\r\n";

			if(isset($document->_notifyList["users"])) {
				$notifier->toList($user, $document->_notifyList["users"], $subject, $message);
			}
			if(isset($document->_notifyList["groups"])) {
				foreach ($document->_notifyList["groups"] as $grp) {
					$notifier->toGroup($user, $grp, $subject, $message);
				}
			}
*/

			$subject = "document_comment_changed_email_subject";
			$message = "document_comment_changed_email_body";
			$params = array();
			$params['name'] = $document->getName();
			$params['version'] = $version->getVersion();
			$params['folder_path'] = $folder->getFolderPathPlain();
			$params['username'] = $user->getFullName();
			$params['new_comment'] = $comment;
			$params['old_comment'] = $oldcomment;
			$params['url'] = getBaseUrl().$settings->_httpRoot."out/out.ViewDocument.php?documentid=".$document->getID()."&version=".$version->getVersion();
			$params['sitename'] = $settings->_siteName;
			$params['http_root'] = $settings->_httpRoot;
			$notifier->toList($user, $notifyList["users"], $subject, $message, $params);
			foreach ($notifyList["groups"] as $grp) {
				$notifier->toGroup($user, $grp, $subject, $message, $params);
			}

		}
	}
	else {
		UI::exitError(getMLText("document_title", array("documentname" => $document->getName())),getMLText("error_occured"));
	}
}

add_log_line("?documentid=".$documentid);

header("Location:../out/out.DocumentVersionDetail.php?documentid=".$documentid."&version=".$versionid);

?>
