83 lines
1.8 KiB
PHP
83 lines
1.8 KiB
PHP
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<?php
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namespace tobimori\Seo\Sitemap;
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use DOMDocument;
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use Kirby\Cms\App;
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use Kirby\Toolkit\Collection;
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class Sitemap extends Collection
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{
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public function __construct(protected string $key, array $data = [], bool $caseSensitive = false)
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{
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parent::__construct($data, $caseSensitive);
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}
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public function key(): string
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{
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return $this->key;
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}
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public function loc(): string
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{
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return kirby()->site()->canonicalFor('sitemap-' . $this->key . '.xml');
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}
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public function lastmod(): string
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{
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$lastmod = 0;
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foreach ($this as $url) {
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$lastmod = max($lastmod, strtotime($url->lastmod()));
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}
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if ($lastmod > 0) {
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return date('c', $lastmod);
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}
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return date('c');
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}
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public function createUrl(string $loc): SitemapUrl
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{
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$url = $this->makeUrl($loc);
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$this->append($url);
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return $url;
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}
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public static function makeUrl(string $url): SitemapUrl
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{
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return new SitemapUrl($url);
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}
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public function toDOMNode(DOMDocument $doc = new DOMDocument('1.0', 'UTF-8'))
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{
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$doc->formatOutput = true;
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$root = $doc->createElement('sitemap');
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foreach (['loc', 'lastmod'] as $key) {
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$root->appendChild($doc->createElement($key, $this->$key()));
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}
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return $root;
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}
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public function toString(): string
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{
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$doc = new DOMDocument('1.0', 'UTF-8');
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$doc->formatOutput = true;
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$doc->appendChild($doc->createProcessingInstruction('xml-stylesheet', 'type="text/xsl" href="/sitemap.xsl"'));
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$root = $doc->createElementNS('http://www.sitemaps.org/schemas/sitemap/0.9', 'urlset');
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$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xhtml', 'http://www.w3.org/1999/xhtml');
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$root->setAttribute('seo-version', App::plugin('tobimori/seo')->version());
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foreach ($this as $url) {
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$root->appendChild($url->toDOMNode($doc));
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}
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$doc->appendChild($root);
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return $doc->saveXML();
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}
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}
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