/**
* Instantiate a new link mapping, redirecting a URL towards another URL.
*
* @parameter <{MAPPING_URL}> string
* @parameter <{MAPPING_REDIRECT_URL}> string
* @parameter <{MAPPING_PRIORITY}> integer
* @return link mapping
*/
public function createURLMapping($URL, $redirectURL, $priority = 1)
{
// Retrieve an already existing link mapping if one exists.
$existing = LinkMapping::get()->filter(array('MappedLink' => $URL, 'RedirectType' => 'Link', 'RedirectLink' => $redirectURL))->first();
if ($existing) {
return $existing;
}
// Instantiate the new link mapping with appropriate default values.
$mapping = LinkMapping::create();
$mapping->MappedLink = $URL;
$mapping->RedirectType = 'Link';
$mapping->RedirectLink = $redirectURL;
$mapping->Priority = (int) $priority;
$mapping->write();
return $mapping;
}
/**
* Purge any link mappings that point back to the same page.
*
* @parameter <{PAGE_URL}> string
* @parameter <{PAGE_ID}> integer
*/
public function regulateMappings($pageLink, $pageID)
{
LinkMapping::get()->filter(array('MappedLink' => MisdirectionService::unify_URL(Director::makeRelative($pageLink)), 'RedirectType' => 'Page', 'RedirectPageID' => $pageID))->removeAll();
}
/**
* Overrides ModelAsController->getNestedController to find the nested controller
* on a per-site basis
**/
public function getNestedController()
{
$request = $this->request;
$segment = $request->param('URLSegment');
$site = Multisites::inst()->getCurrentSiteId();
if (!$site) {
return $this->httpError(404);
}
if (class_exists('Translatable')) {
Translatable::disable_locale_filter();
}
$page = SiteTree::get()->filter(array('ParentID' => $site, 'URLSegment' => rawurlencode($segment)));
$page = $page->first();
if (class_exists('Translatable')) {
Translatable::enable_locale_filter();
}
if (!$page) {
// Check to see if linkmapping module is installed and if so, if there a map for this request.
if (class_exists('LinkMapping')) {
if ($request->requestVars()) {
$queryString = '?';
foreach ($request->requestVars() as $key => $value) {
if ($key != 'url') {
$queryString .= $key . '=' . $value . '&';
}
}
$queryString = rtrim($queryString, '&');
}
$link = $queryString != '?' ? $request->getURL() . $queryString : $request->getURL();
$link = trim(Director::makeRelative($link));
$map = LinkMapping::get()->filter('MappedLink', $link)->first();
if ($map) {
$this->response = new SS_HTTPResponse();
$this->response->redirect($map->getLink(), 301);
return $this->response;
}
}
// use OldPageRedirector if it exists, to find old page
if (class_exists('OldPageRedirector')) {
if ($redirect = OldPageRedirector::find_old_page(array($segment), Multisites::inst()->getCurrentSite())) {
$redirect = SiteTree::get_by_link($redirect);
}
} else {
$redirect = self::find_old_page($segment, $site);
}
if ($redirect) {
$getVars = $request->getVars();
//remove the url var as it confuses the routing
unset($getVars['url']);
$url = Controller::join_links($redirect->Link(Controller::join_links($request->param('Action'), $request->param('ID'), $request->param('OtherID'))));
if (!empty($getVars)) {
$url .= '?' . http_build_query($getVars);
}
$this->response->redirect($url, 301);
return $this->response;
}
return $this->httpError(404);
}
if (class_exists('Translatable') && $page->Locale) {
Translatable::set_current_locale($page->Locale);
}
return self::controller_for($page, $request->param('Action'));
}
