function _savePageData($pagename, $data)
{
$type = 'page_data';
$version = 1;
$filename = $this->_pagename2filename($type, $pagename, $version);
// Construct a dummy page_revision object
$page = new WikiDB_Page($this->_wikidb, $pagename);
// data may be pagedate or versiondata updates
if (USECACHE and empty($data['pagedata'])) {
$cache =& $this->_wikidb->_cache;
if (!empty($cache->_pagedata_cache[$pagename]) and is_array($cache->_pagedata_cache[$pagename])) {
$cachedata =& $cache->_pagedata_cache[$pagename];
foreach ($data as $key => $val) {
$cachedata[$key] = $val;
}
} else {
$cache->_pagedata_cache[$pagename] = $data;
}
}
//unset ($data['pagedata']);
//if (empty($data['versiondata']))
// $data['versiondata'] = $data;
// TODO:
// with versiondata merge it with previous pagedata, not to overwrite with empty pagedata
// with pagedata merge it with previous versiondata, not to overwrite with empty versiondata (content)
$olddata = $this->_loadPageData($pagename);
if (isset($data['version'])) {
$version = $data['version'];
$latestversion = $this->_getLatestVersion($pagename);
if ($latestversion < $version) {
$oldversiondata = $this->_loadVersionData($pagename, $latestversion);
if ($oldversiondata) {
$olddata['versiondata'] = array_merge($oldversiondata, $olddata['versiondata']);
}
}
}
$data['pagedata'] = array_merge($olddata['pagedata'], $data['pagedata']);
$data['versiondata'] = array_merge($olddata['versiondata'], $data['versiondata']);
if (empty($data['versiondata']['%content'])) {
$data['versiondata']['%content'] = $olddata['content'];
}
$current = new WikiDB_PageRevision($this->_wikidb, $pagename, $version, $data['versiondata']);
unset($data['versiondata']);
foreach ($data as $k => $v) {
if ($k == 'pagedata') {
$current->_data = array_merge($current->_data, $v);
} elseif ($k == 'versiondata') {
$current->_data = array_merge($current->_data, $v);
} else {
$current->_data[$k] = $v;
}
}
$this->_page_data = $current->_data;
$pagedata = "Date: " . Rfc2822DateTime($current->get('mtime')) . "\r\n";
$pagedata .= sprintf("Mime-Version: 1.0 (Produced by PhpWiki %s)\r\n", PHPWIKI_VERSION);
$pagedata .= MimeifyPageRevision($page, $current);
if ($fd = fopen($filename, 'a+b')) {
$locked = flock($fd, 2);
// Exclusive blocking lock
if (!$locked) {
ExitWiki("Timeout while obtaining lock. Please try again");
}
rewind($fd);
ftruncate($fd, 0);
$len = strlen($pagedata);
$num = fwrite($fd, $pagedata, $len);
assert($num == $len);
fclose($fd);
} else {
ExitWiki("Error while writing page '{$pagename}'");
}
}
/**
* For reference see:
* http://www.nacs.uci.edu/indiv/ehood/MIME/2045/rfc2045.html
* http://www.faqs.org/rfcs/rfc2045.html
* (RFC 1521 has been superceeded by RFC 2045 & others).
*
* Also see http://www.faqs.org/rfcs/rfc2822.html
*/
function MailifyPage($page, $nversions = 1)
{
$current = $page->getCurrentRevision();
$head = '';
if (STRICT_MAILABLE_PAGEDUMPS) {
$from = defined('SERVER_ADMIN') ? SERVER_ADMIN : 'foo@bar';
//This is for unix mailbox format: (not RFC (2)822)
// $head .= "From $from " . CTime(time()) . "\r\n";
$head .= "Subject: " . rawurlencode($page->getName()) . "\r\n";
$head .= "From: {$from} (PhpWiki)\r\n";
// RFC 2822 requires only a Date: and originator (From:)
// field, however the obsolete standard RFC 822 also
// requires a destination field.
$head .= "To: {$from} (PhpWiki)\r\n";
}
$head .= "Date: " . Rfc2822DateTime($current->get('mtime')) . "\r\n";
$head .= sprintf("Mime-Version: 1.0 (Produced by PhpWiki %s)\r\n", PHPWIKI_VERSION);
// This should just be entered by hand (or by script?)
// in the actual pgsrc files, since only they should have
// RCS ids.
//$head .= "X-Rcs-Id: \$Id\$\r\n";
$iter = $page->getAllRevisions();
$parts = array();
while ($revision = $iter->next()) {
$parts[] = MimeifyPageRevision($page, $revision);
if ($nversions > 0 && count($parts) >= $nversions) {
break;
}
}
if (count($parts) > 1) {
return $head . MimeMultipart($parts);
}
assert($parts);
return $head . $parts[0];
}