121 lines
3.8 KiB
PHP
121 lines
3.8 KiB
PHP
<?php
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namespace PicoFeed\Writers;
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require_once __DIR__.'/../Writer.php';
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class Atom extends \PicoFeed\Writer
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{
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protected $required_properties = array(
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'title',
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'site_url',
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'feed_url'
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);
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public function execute($filename = '')
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{
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$this->checkRequiredProperties();
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$dom = new \DomDocument('1.0', 'UTF-8');
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$dom->formatOutput = true;
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// <feed/>
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$feed = $dom->createElement('feed');
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$feed->setAttributeNodeNS(new \DomAttr('xmlns', 'http://www.w3.org/2005/Atom'));
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// <generator/>
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$generator = $dom->createElement('generator', 'PicoFeed');
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$generator->setAttribute('url', 'https://github.com/fguillot/picoFeed');
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$feed->appendChild($generator);
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// <title/>
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$feed->appendChild($dom->createElement('title', $this->title));
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// <updated/>
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$feed->appendChild($dom->createElement('updated', date(DATE_ATOM, isset($this->updated) ? $this->updated : time())));
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// <link rel="alternate" type="text/html" href="http://example.org/"/>
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$link = $dom->createElement('link');
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$link->setAttribute('rel', 'alternate');
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$link->setAttribute('type', 'text/html');
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$link->setAttribute('href', $this->site_url);
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$feed->appendChild($link);
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// <link rel="self" type="application/atom+xml" href="http://example.org/feed.atom"/>
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$link = $dom->createElement('link');
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$link->setAttribute('rel', 'self');
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$link->setAttribute('type', 'application/atom+xml');
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$link->setAttribute('href', $this->feed_url);
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$feed->appendChild($link);
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// <author/>
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if (isset($this->author)) {
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$name = $dom->createElement('name', $this->author);
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$author = $dom->createElement('author');
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$author->appendChild($name);
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$feed->appendChild($author);
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}
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// <entry/>
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foreach ($this->items as $item) {
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$entry = $dom->createElement('entry');
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// <title/>
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$entry->appendChild($dom->createElement('title', $item['title']));
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// <updated/>
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$entry->appendChild($dom->createElement('updated', date(DATE_ATOM, isset($item['updated']) ? $item['updated'] : time())));
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// <published/>
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if (isset($item['published'])) {
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$entry->appendChild($dom->createElement('published', date(DATE_ATOM, $item['published'])));
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}
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// <link rel="alternate" type="text/html" href="http://example.org/"/>
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$link = $dom->createElement('link');
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$link->setAttribute('rel', 'alternate');
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$link->setAttribute('type', 'text/html');
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$link->setAttribute('href', $item['url']);
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$entry->appendChild($link);
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// <summary/>
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if (isset($item['summary'])) {
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$entry->appendChild($dom->createElement('summary', $item['summary']));
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}
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// <content/>
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if (isset($item['content'])) {
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$content = $dom->createElement('content');
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$content->setAttribute('type', 'html');
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$content->appendChild($dom->createCDATASection($item['content']));
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$entry->appendChild($content);
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}
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// <author/>
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if (isset($item['author'])) {
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$name = $dom->createElement('name', $item['author']);
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$author = $dom->createElement('author');
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$author->appendChild($name);
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$entry->appendChild($author);
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}
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$feed->appendChild($entry);
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}
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$dom->appendChild($feed);
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if ($filename) {
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$dom->save($filename);
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}
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else {
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return $dom->saveXML();
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}
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}
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} |