Rss-Bridge/bridges/DevToBridge.php

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<?php
class DevToBridge extends BridgeAbstract {
const CONTEXT_BY_TAG = 'By tag';
const NAME = 'dev.to Bridge';
const URI = 'https://dev.to';
const DESCRIPTION = 'Returns feeds for tags';
const MAINTAINER = 'logmanoriginal';
const CACHE_TIMEOUT = 10800; // 15 min.
const PARAMETERS = array(
self::CONTEXT_BY_TAG => array(
'tag' => array(
'name' => 'Tag',
'type' => 'text',
'required' => true,
'title' => 'Insert your tag',
'exampleValue' => 'python'
),
'full' => array(
'name' => 'Full article',
'type' => 'checkbox',
'required' => false,
'title' => 'Enable to receive the full article for each item'
)
)
);
public function getURI() {
switch($this->queriedContext) {
case self::CONTEXT_BY_TAG:
if($tag = $this->getInput('tag')) {
return static::URI . '/t/' . urlencode($tag);
}
break;
}
return parent::getURI();
}
public function getIcon() {
return 'https://practicaldev-herokuapp-com.freetls.fastly.net/assets/
apple-icon-5c6fa9f2bce280428589c6195b7f1924206a53b782b371cfe2d02da932c8c173.png';
}
public function collectData() {
$html = getSimpleHTMLDOMCached($this->getURI())
or returnServerError('Could not request ' . $this->getURI());
$html = defaultLinkTo($html, static::URI);
$articles = $html->find('div.single-article')
or returnServerError('Could not find articles!');
foreach($articles as $article) {
$item = array();
$item['uri'] = $article->find('a[id*=article-link]', 0)->href;
$item['title'] = $article->find('h3', 0)->plaintext;
// i.e. "Charlie Harrington・Sep 21"
$item['timestamp'] = strtotime(explode('・', $article->find('h4 a', 0)->plaintext, 2)[1]);
$item['author'] = explode('・', $article->find('h4 a', 0)->plaintext, 2)[0];
// Profile image
$item['enclosures'] = array($article->find('img', 0)->src);
if($this->getInput('full')) {
$fullArticle = $this->getFullArticle($item['uri']);
$item['content'] = <<<EOD
<img src="{$item['enclosures'][0]}" alt="{$item['author']}">
<p>{$fullArticle}</p>
EOD;
} else {
$item['content'] = <<<EOD
<img src="{$item['enclosures'][0]}" alt="{$item['author']}">
<p>{$item['title']}</p>
EOD;
}
$item['categories'] = array_map(function($e){ return $e->plaintext; }, $article->find('div.tags span.tag'));
$this->items[] = $item;
}
}
public function getName() {
if (!is_null($this->getInput('tag'))) {
return ucfirst($this->getInput('tag')) . ' - dev.to';
}
return parent::getName();
}
private function getFullArticle($url) {
$html = getSimpleHTMLDOMCached($url)
or returnServerError('Unable to load article from "' . $url . '"!');
$html = defaultLinkTo($html, static::URI);
return $html->find('[id="article-body"]', 0);
}
}