/**
* RevertPageToPreviousByTag
*
* Reverts a page to the version immediately preceding the "latest"
* version. New page is created with previous version's metadata.
*
* @param object $wakka Wakka class instantiation
* @param string $tag Page tag
* @param string $comment Page comment (defaults to T_("Reverting last edit by %s [%d] to previous version [%d]"))
* @return string T_("Reverted to previous version") or T_("Reversion to previous version FAILED!")
*
*/
function RevertPageToPreviousByTag($wakka, $tag, $comment = '')
{
$message = T_("Reversion to previous version FAILED!");
$tag = mysql_real_escape_string($tag);
$comment = mysql_real_escape_string($comment);
if (TRUE === $wakka->IsAdmin()) {
// Select current version of this page and version immediately preceding
$res = LoadLastTwoPagesByTag($wakka, $tag);
if ($res) {
// $res[0] is current page, $res[1] is page we're reverting to
// Set default comment
if (TRUE === empty($comment)) {
$comment = sprintf(T_("Reverting last edit by %s [%d] to previous version [%d]"), $res[0]['user'], $res[0]['id'], $res[1]['id']);
}
// Save reverted page
$wakka->SavePage($tag, $res[1]['body'], $comment, $res[1]['owner']);
$message = T_("Reverted to previous version");
} else {
$message = T_("Reversion to previous version FAILED!");
}
}
return $message;
}
<?php
/**
* Revert link menulet (admin-only)
*
* Displays a link allowing admins to revert the current page to the previous
* version.
*
* Syntax: {{revertlink}}
*
* @package Actions
* @subpackage Menulets
* @name Revert link
*
* @author {@link http://wikkawiki.org/DarTar Dario Taraborelli}
*
* @todo Use a new HasRevisions() method instead of loading admin class
*/
if ($this->IsAdmin()) {
include_once $this->BuildFullpathFromMultipath('..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'libs' . DIRECTORY_SEPARATOR . 'admin.lib.php', $this->GetConfigValue('action_path'));
$res = LoadLastTwoPagesByTag($this, $this->GetPageTag());
if (null !== $res) {
echo '<a href="' . $this->Href('revert') . '" title="Click to revert this page to the previous revision">' . T_("[Revert]") . '</a>';
} else {
echo '<span class="disabled" title="' . T_("This is the oldest known version for this page") . '">' . T_("[Revert]") . '</span>';
}
}
#not implemented
$data_table = '<table id="adminpages" summary="' . T_("List of pages on this server") . '" border="1px" class="data">' . "\n" . '<thead>' . "\n" . ' <tr>' . "\n" . ' <th> </th>' . "\n" . ' <th>' . $tagheader . '</th>' . "\n" . ' <th>' . $ownerheader . '</th>' . "\n" . ' <th>' . $userheader . '</th>' . "\n" . ' <th>' . $lasteditheader . '</th>' . "\n" . ' <th' . ($c_color == 1 ? ' class="c1"' : '') . ' title="' . T_("Hits") . '"><img src="images/icons/star.png" alt="' . T_("Hits") . '" /></th>' . "\n" . ' <th' . ($c_color == 1 ? ' class="c2"' : '') . ' title="' . T_("Revisions") . '"><img src="images/icons/edit.png" alt="' . T_("Revisions") . '" /></th>' . "\n" . ' <th' . ($c_color == 1 ? ' class="c3"' : '') . ' title="' . T_("Comments") . '"><img src="images/icons/comment.png" alt="' . T_("Comments") . '" /></th>' . "\n" . ' <th' . ($c_color == 1 ? ' class="c4"' : '') . ' title="' . T_("Backlinks") . '"><img src="images/icons/link.png" alt="' . T_("Backlinks") . '" /></th>' . "\n" . ' <th' . ($c_color == 1 ? ' class="c5"' : '') . ' title="' . T_("Referrers") . '"><img src="images/icons/world.png" alt="' . T_("Referrers") . '" /></th>' . "\n" . ' <th>' . T_("Actions") . '</th>' . "\n" . ' </tr>' . "\n" . '</thead>' . "\n";
// feed table with data
foreach ($pagedata as $page) {
// truncate long page names
$pagename = strlen($page['tag']) > ADMINPAGES_DEFAULT_TAG_LENGTH ? substr($page['tag'], 0, ADMINPAGES_DEFAULT_TAG_LENGTH) . ADMINPAGES_DEFAULT_TERMINATOR : $page['tag'];
// build handler links
$lastedit = '<a class="datetime" href="' . $this->Href('revisions', $page['tag'], '') . '">' . $page['time'] . '</a>';
if ($pagename != $page['tag']) {
$showpage = '<a href="' . $this->Href('', $page['tag'], '') . '" title="' . $page['tag'] . '">' . $pagename . '</a>';
} else {
$showpage = '<a href="' . $this->Href('', $page['tag'], '') . '">' . $pagename . '</a>';
}
// Disable revert link if only one page revision exists
$revertpage = '';
$res = LoadLastTwoPagesByTag($this, $page['tag']);
if (null === $res) {
$revertpage = "<span class='disabled'>" . T_("revert") . "</span>";
} else {
$revertpage = '<a href="' . $this->Href('revert', $page['tag'], '') . '" title="' . sprintf(T_("Revert %s to previous version"), $page['tag']) . '">' . T_("revert") . '</a>';
}
$editpage = '<a href="' . $this->Href('edit', $page['tag'], '') . '" title="' . sprintf(T_("Edit %s"), $page['tag']) . '">' . T_("edit") . '</a>';
$deletepage = '<a href="' . $this->Href('delete', $page['tag'], '') . '" title="' . sprintf(T_("Delete %s"), $page['tag']) . '">' . T_("delete") . '</a>';
$clonepage = '<a href="' . $this->Href('clone', $page['tag'], '') . '" title="' . sprintf(T_("Clone %s"), $page['tag']) . '">' . T_("clone") . '</a>';
$aclpage = '<a href="' . $this->Href('acls', $page['tag'], '') . '" title="' . sprintf(T_("Change Access Control List for %s"), $page['tag']) . '">' . T_("acl") . '</a>';
// get page owner
if ($page['owner']) {
// is the owner a registered user?
if ($this->LoadUser($page['owner'])) {
// does user's homepage exist?
if ($this->ExistsPage($page['owner'])) {