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<?php
/**
* Copyright (c) 2004 bitweaver.org
* Copyright (c) 2003 tikwiki.org
* Copyright (c) 2002-2003, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
* All Rights Reserved. See below for details and a complete list of authors.
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See http://www.gnu.org/copyleft/lesser.html for details
*
* @package wiki
*/
/**
* required setup
*/
require_once( KERNEL_PKG_CLASS_PATH.'BitBase.php' );
require_once( WIKI_PKG_CLASS_PATH.'BitPage.php' );
/**
* @package wiki
* @subpackage ExportLib
*/
class ExportLib extends BitBase {
function MakeWikiZip( $pExportFile ) {
global $gBitUser,$gBitSystem;
include_once (UTIL_PKG_INCLUDE_PATH."tar.class.php");
$tar = new tar();
$query = "SELECT wp.`page_id` from `".BIT_DB_PREFIX."wiki_pages` wp INNER JOIN `".BIT_DB_PREFIX."liberty_content` lc ON (lc.`content_id` = wp.`content_id`)
ORDER BY lc.".$this->mDb->convertSortmode("title_asc");
$result = $this->mDb->query($query,array());
while ($res = $result->fetchRow()) {
$page_id = $res["page_id"];
$content = $this->export_wiki_page($page_id, 0);
$tar->addData($page_id, $content, $gBitSystem->getUTCTime());
}
$tar->toTar( $pExportFile, FALSE);
return '';
}
function export_wiki_page($page_id, $nversions = 1) {
global $gBitSystem;
$head = '';
$head .= "Date: " . $gBitSystem->mServerTimestamp->get_rfc2822_datetime(). "\r\n";
$head .= sprintf("Mime-Version: 1.0 (Produced by Tiki)\r\n");
$iter = $this->get_page_history($page_id);
$gWikiPage = new BitPage( $page_id );
$gWikiPage->load();
$info = $gWikiPage->mInfo;
$parts = array();
$parts[] = MimeifyPageRevision($info);
if ($nversions > 1 || $nversions == 0) {
foreach ($iter as $revision) {
$parts[] = MimeifyPageRevision($revision);
if ($nversions > 0 && count($parts) >= $nversions)
break;
}
}
if (count($parts) > 1)
return $head . MimeMultipart($parts);
assert ($parts);
return $head . $parts[0];
}
// Returns all the versions for this page
// without the data itself
function get_page_history($page_id) {
$query = "SELECT lc.`title`, th.`description`, th.`version`, th.`last_modified`, th.`user_id`, th.`ip`, th.`data`, th.`history_comment`, uu.`login` as `creator_user`, uu.`real_name` " .
"FROM `".BIT_DB_PREFIX."wiki_pages` wp " .
"INNER JOIN `".BIT_DB_PREFIX."liberty_content` lc ON (lc.`content_id` = wp.`content_id`) " .
"INNER JOIN `".BIT_DB_PREFIX."liberty_content_history` th ON (th.`page_id` = th.`page_id`) " .
"INNER JOIN `".BIT_DB_PREFIX."users_users` uu ON (uu.`user_id` = th.`user_id`) " .
"WHERE wp.`page_id`=? order by th.".$this->mDb->convertSortmode("version_desc");
$result = $this->mDb->query($query,array($page_id));
$ret = array();
while ($res = $result->fetchRow()) {
array_push( $ret, $res );
}
return $ret;
}
}
$exportlib = new ExportLib();
?>
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