86 lines
3.2 KiB
PHP
86 lines
3.2 KiB
PHP
<?php
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namespace Misuzu\Feeds;
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use DOMDocument;
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use DOMElement;
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use DOMNode;
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class RssFeedSerializer extends XmlFeedSerializer {
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protected function formatTime(int $time): string {
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return date('r', $time);
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}
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protected function createRoot(DOMDocument $document, Feed $feed): DOMNode {
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$rss = $document->appendChild($document->createElement('rss'));
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if($rss instanceof DOMElement) {
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$rss->setAttribute('version', '2.0');
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$rss->setAttribute('xmlns:atom', 'http://www.w3.org/2005/Atom');
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}
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$channel = $rss->appendChild($document->createElement('channel'));
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$channel->appendChild($document->createElement('ttl', '900'));
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return $channel;
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}
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protected function createTitle(DOMDocument $document, string $title): DOMNode {
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return $document->createElement('title', $this->cleanString($title));
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}
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protected function createDescription(DOMDocument $document, string $description): ?DOMNode {
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return $document->createElement('description', $this->cleanString($description));
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}
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protected function createLastUpdate(DOMDocument $document, int $lastUpdate): ?DOMNode {
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return $document->createElement('pubDate', $this->formatTime($lastUpdate));
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}
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protected function createContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
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return $document->createElement('link', $this->cleanString($contentUrl));
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}
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protected function createFeedUrl(DOMDocument $document, string $feedUrl): ?DOMNode {
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$link = $document->createElement('atom:link');
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$link->setAttribute('href', $this->cleanString($feedUrl));
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$link->setAttribute('ref', 'self');
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return $link;
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}
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protected function createItem(DOMDocument $document, FeedItem $feedItem): DOMNode {
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return $document->createElement('item');
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}
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protected function createItemTitle(DOMDocument $document, string $title): DOMNode {
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return $document->createElement('title', $this->cleanString($title));
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}
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protected function createItemSummary(DOMDocument $document, string $summary): ?DOMNode {
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return $document->createElement('description', $this->cleanString($summary));
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}
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protected function createItemContent(DOMDocument $document, string $content): ?DOMNode {
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return null;
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}
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protected function createItemCreationDate(DOMDocument $document, int $creationDate): ?DOMNode {
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return $document->createElement('pubDate', $this->formatTime($creationDate));
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}
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protected function createItemUniqueId(DOMDocument $document, string $uniqueId): ?DOMNode {
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$elem = $document->createElement('guid', $uniqueId);
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$elem->setAttribute('isPermaLink', 'true');
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return $elem;
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}
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protected function createItemContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
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return $document->createElement('link', $contentUrl);
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}
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protected function createItemCommentsUrl(DOMDocument $document, string $commentsUrl): ?DOMNode {
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return $document->createElement('comments', $commentsUrl);
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}
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protected function createItemAuthor(DOMDocument $document, ?string $authorName, ?string $authorUrl): ?DOMNode {
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return null;
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}
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}
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