public static function onArticleFromTitle_NoVersion(&$title, &$article)
{
global $wgArticlePath;
$defaultRedirect = PonyDocsExtension::getDefaultUrl();
// If this article doesn't have a valid manual, don't display the article
$articleMetadata = PonyDocsArticleFactory::getArticleMetadataFromTitle($title->__toString());
if (!PonyDocsProductManual::IsManual($articleMetadata['product'], $articleMetadata['manual'])) {
$wgHooks['BeforePageDisplay'][] = "PonyDocsExtension::handle404";
return false;
}
$dbr = wfGetDB(DB_SLAVE);
$res = $dbr->select('categorylinks', 'cl_to', array('cl_to LIKE "V:%:%"', 'cl_type = "page"', "cl_sortkey LIKE '" . $dbr->strencode(strtoupper($title->getText())) . ":%'"), __METHOD__);
if (!$res->numRows()) {
if (PONYDOCS_DEBUG) {
error_log("DEBUG [" . __METHOD__ . ":" . __LINE__ . "] redirecting to {$defaultRedirect}");
}
header("Location: " . $defaultRedirect);
exit(0);
}
/**
* First create a list of versions to which the current user has access to.
*/
$versionList = array_reverse(PonyDocsVersion::GetVersions(true));
$versionNameList = array();
foreach ($versionList as $pV) {
$versionNameList[] = $pV->getName();
}
/**
* Create a list of existing versions for this topic. The list contains PonyDocsVersion instances. Only store
* UNIQUE instances and valid pointers. Once done, sort them so that the LATEST version is at the front of
* the list (index 0).
*/
$existingVersions = array();
while ($row = $dbr->fetchObject($res)) {
if (preg_match('/^V:(.*)/i', $row->cl_to, $vmatch)) {
$pVersion = PonyDocsVersion::GetVersionByName($vmatch[1]);
if ($pVersion && !in_array($pVersion, $existingVersions)) {
$existingVersions[] = $pVersion;
}
}
}
usort($existingVersions, 'PonyDocs_versionCmp');
$existingVersions = array_reverse($existingVersions);
/**
* Now filter out versions the user does not have access to from the top; once we find the version for this topic
* to which the user has access, create our Article object and replace our title (to not redirect) and return true.
*/
foreach ($existingVersions as $pV) {
if (in_array($pV->getName(), $versionNameList)) {
/**
* Look up topic name and redirect to URL.
*/
$res = $dbr->select(array('categorylinks'), 'cl_from', array("cl_to = 'V:" . $pV->getName() . "'", 'cl_type = "page"', "cl_sortkey LIKE '" . $dbr->strencode(strtoupper($title->getText())) . ":%'"), __METHOD__);
if (!$res->numRows()) {
if (PONYDOCS_DEBUG) {
error_log("DEBUG [" . __METHOD__ . ":" . __LINE__ . "] redirecting to {$defaultRedirect}");
}
header("Location: " . $defaultRedirect);
exit(0);
}
$row = $dbr->fetchObject($res);
$title = Title::newFromId($row->cl_from);
$article = new Article($title);
$article->loadContent();
if (!$article->exists()) {
$article = NULL;
} else {
// Without this we lose SplunkComments and version switcher.
// Probably we can replace with a RequestContext in the future...
$wgTitle = $title;
}
return TRUE;
}
}
/**
* Invalid redirect -- go to Main_Page or something.
*/
if (PONYDOCS_DEBUG) {
error_log("DEBUG [" . __METHOD__ . ":" . __LINE__ . "] redirecting to {$defaultRedirect}");
}
header("Location: " . $defaultRedirect);
exit(0);
}
