mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-06-13 08:25:00 +02:00
2a1d4376e2
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@62910 467b73ca-7a2a-4603-9d3b-597d59a354a9
124 lines
3.1 KiB
PHP
Executable File
124 lines
3.1 KiB
PHP
Executable File
<?php
|
|
|
|
/**
|
|
* Initial implementation of Sitemap support.
|
|
* GoogleSitemap should handle requests to 'sitemap.xml'
|
|
* the other two classes are used to render the sitemap
|
|
* @package sapphire
|
|
* @subpackage misc
|
|
*/
|
|
class GoogleSitemap extends Controller {
|
|
|
|
/**
|
|
* @var boolean
|
|
*/
|
|
protected static $enabled = true;
|
|
|
|
/**
|
|
* @var DataObjectSet
|
|
*/
|
|
protected $Pages;
|
|
|
|
/**
|
|
* @var boolean
|
|
*/
|
|
protected static $pings = true;
|
|
|
|
public function Items() {
|
|
$this->Pages = Versioned::get_by_stage('SiteTree', 'Live');
|
|
|
|
$newPages = new DataObjectSet();
|
|
|
|
foreach($this->Pages as $page) {
|
|
// Only include pages from this host and pages which are not an instance of ErrorPage
|
|
if(parse_url($page->AbsoluteLink(), PHP_URL_HOST) == $_SERVER['HTTP_HOST'] && !($page instanceof ErrorPage)) {
|
|
|
|
// If the page has been set to 0 priority, we set a flag so it won't be included
|
|
if(!isset($page->Priority) || $page->Priority > 0) {
|
|
// The one field that isn't easy to deal with in the template is
|
|
// Change frequency, so we set that here.
|
|
$properties = $page->toMap();
|
|
$created = new Datetime($properties['Created']);
|
|
$now = new Datetime();
|
|
$versions = $properties['Version'];
|
|
$timediff = $now->format('U') - $created->format('U');
|
|
|
|
// Check how many revisions have been made over the lifetime of the
|
|
// Page for a rough estimate of it's changing frequency.
|
|
|
|
$period = $timediff / ($versions + 1);
|
|
|
|
if($period > 60*60*24*365) { // > 1 year
|
|
$page->ChangeFreq='yearly';
|
|
} else if($period > 60*60*24*30) { // > ~1 month
|
|
$page->ChangeFreq='monthly';
|
|
} else if($period > 60*60*24*7) { // > 1 week
|
|
$page->ChangeFreq='weekly';
|
|
} else if($period > 60*60*24) { // > 1 day
|
|
$page->ChangeFreq='daily';
|
|
} else if($period > 60*60) { // > 1 hour
|
|
$page->ChangeFreq='hourly';
|
|
} else { // < 1 hour
|
|
$page->ChangeFreq='always';
|
|
}
|
|
|
|
$newPages->push($page);
|
|
}
|
|
}
|
|
}
|
|
return $newPages;
|
|
}
|
|
|
|
/**
|
|
* @return string Response text
|
|
*/
|
|
static function ping() {
|
|
if(!self::$enabled) return false;
|
|
|
|
//Don't ping if the site has disabled it, or if the site is in dev mode
|
|
if(!GoogleSitemap::$pings || Director::isDev())
|
|
return;
|
|
|
|
$location = urlencode(Director::absoluteBaseURL() . '/sitemap.xml');
|
|
|
|
$response = HTTP::sendRequest("www.google.com", "/webmasters/sitemaps/ping",
|
|
"sitemap=" . $location);
|
|
|
|
return $response;
|
|
}
|
|
|
|
public static function enable_google_notification() {
|
|
self::$pings = true;
|
|
}
|
|
|
|
/**
|
|
* Disables pings to google when the sitemap changes.
|
|
*/
|
|
public static function disable_google_notification() {
|
|
self::$pings = false;
|
|
}
|
|
|
|
function index($url) {
|
|
if(self::$enabled) {
|
|
// We need to override the default content-type
|
|
ContentNegotiator::disable();
|
|
header('Content-type: application/xml; charset="utf-8"');
|
|
|
|
// But we want to still render.
|
|
return array();
|
|
} else {
|
|
return new HTTPResponse('Not allowed', 405);
|
|
}
|
|
|
|
}
|
|
|
|
public static function enable() {
|
|
self::$enabled = true;
|
|
}
|
|
|
|
public static function disable() {
|
|
self::$enabled = false;
|
|
}
|
|
}
|
|
?>
|