117 lines
4 KiB
PHP
117 lines
4 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 AtomFeedSerializer extends XmlFeedSerializer {
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protected function formatTime(int $time): string {
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return date('c', $time);
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}
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protected function createRoot(DOMDocument $document, Feed $feed): DOMNode {
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$atom = $document->appendChild($document->createElement('feed'));
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if($atom instanceof DOMElement)
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$atom->setAttribute('xmlns', 'http://www.w3.org/2005/Atom');
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$atom->appendChild(
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$document->createElement(
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'id',
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$feed->hasContentUrl()
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? $this->cleanString($feed->getContentUrl())
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: time()
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)
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);
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return $atom;
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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('subtitle', $this->cleanString($description));
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}
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protected function createLastUpdate(DOMDocument $document, int $lastUpdate): ?DOMNode {
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return $document->createElement('updated', $this->formatTime($lastUpdate));
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}
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protected function createContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
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$link = $document->createElement('link');
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$link->setAttribute('href', $this->cleanString($contentUrl));
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return $link;
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}
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protected function createFeedUrl(DOMDocument $document, string $feedUrl): ?DOMNode {
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$link = $document->createElement('link');
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$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 $feedItem): DOMNode {
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$elem = $document->createElement('entry');
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$elem->appendChild(
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$document->createElement(
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'id',
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$feedItem->hasContentUrl()
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? $this->cleanString($feedItem->getContentUrl())
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: time()
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)
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);
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return $elem;
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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('summary', $this->cleanString($summary));
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}
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protected function createItemContent(DOMDocument $document, string $content): ?DOMNode {
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$elem = $document->createElement('content', $this->cleanString($content));
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$elem->setAttribute('type', 'html');
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return $elem;
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}
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protected function createItemCreationDate(DOMDocument $document, int $creationDate): ?DOMNode {
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return $document->createElement('updated', $this->formatTime($creationDate));
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}
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protected function createItemUniqueId(DOMDocument $document, string $uniqueId): ?DOMNode {
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return null;
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}
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protected function createItemContentUrl(DOMDocument $document, string $contentUrl): ?DOMNode {
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$elem = $document->createElement('link');
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$elem->setAttribute('href', $this->cleanString($contentUrl));
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$elem->setAttribute('type', 'text/html');
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return $elem;
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}
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protected function createItemCommentsUrl(DOMDocument $document, string $commentsUrl): ?DOMNode {
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return null;
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}
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protected function createItemAuthor(DOMDocument $document, ?string $authorName, ?string $authorUrl): ?DOMNode {
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if(empty($authorName) && empty($authorUrl))
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return null;
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$elem = $document->createElement('author');
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if(!empty($authorName))
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$elem->appendChild($document->createElement('name', $this->cleanString($authorName)));
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if(!empty($authorUrl))
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$elem->appendChild($document->createElement('uri', $this->cleanString($authorUrl)));
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return $elem;
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}
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}
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