public function actionMap()
{
Yii::$app->response->format = Response::FORMAT_RAW;
$headers = Yii::$app->response->headers;
$headers->add('Content-Type', 'text/xml');
$dom = new \DOMDocument("1.0", "utf-8");
$root = $dom->createElement("urlset");
$root->setAttribute("xmlns", "http://www.sitemaps.org/schemas/sitemap/0.9");
$dom->appendChild($root);
$categories = Category::findAll(['is_active' => 1]);
$articles = Article::findAll(['is_active' => 1]);
$items = array_merge($categories, $articles);
foreach ($items as $item) {
$url = $dom->createElement("url");
$loc = $dom->createElement("loc");
if ($item instanceof Article) {
$loc->appendChild($dom->createTextNode(Url::to(['article/view', 'id' => $item->id], true)));
} else {
$loc->appendChild($dom->createTextNode(Url::to(['category/view', 'id' => $item->id], true)));
}
$lastmod = $dom->createElement("lastmod");
$lastmod->appendChild($dom->createTextNode($item->timestamp));
$changefreq = $dom->createElement("changefreq");
$changefreq->appendChild($dom->createTextNode("monthly"));
$priority = $dom->createElement("priority");
$priority->appendChild($dom->createTextNode("0.5"));
$url->appendChild($loc);
$url->appendChild($lastmod);
$url->appendChild($changefreq);
$url->appendChild($priority);
$root->appendChild($url);
}
return $dom->saveXML();
}
