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rss-bridge/bridges/CNETBridge.php
2015-10-22 15:20:42 +02:00

99 lines
4.1 KiB
PHP

<?php
/**
* CNET Bridge
* Returns the newest articles
* 2015-09-08
*
* @name CNET News
* @homepage http://www.cnet.com/
* @description Returns the newest articles. <br /> You may specify a topic, else all topics are selected.
* @maintainer ORelio
* @update 2015-09-10
* @use1(topic="Topic name")
*/
class CNETBridge extends BridgeAbstract {
private $topicName = '';
public function collectData(array $param) {
function ExtractFromDelimiters($string, $start, $end) {
if (strpos($string, $start) !== false) {
$section_retrieved = substr($string, strpos($string, $start) + strlen($start));
$section_retrieved = substr($section_retrieved, 0, strpos($section_retrieved, $end));
return $section_retrieved;
} return false;
}
function StripWithDelimiters($string, $start, $end) {
while (strpos($string, $start) !== false) {
$section_to_remove = substr($string, strpos($string, $start));
$section_to_remove = substr($section_to_remove, 0, strpos($section_to_remove, $end) + strlen($end));
$string = str_replace($section_to_remove, '', $string);
} return $string;
}
function CleanArticle($article_html) {
$article_html = '<p>'.substr($article_html, strpos($article_html, '</script></div><p>') + 18);
$article_html = StripWithDelimiters($article_html, '<script>', '</script>');
$article_html = StripWithDelimiters($article_html, '<div class="shortcode related-links', '</div>');
$article_html = StripWithDelimiters($article_html, '<a class="clickToEnlarge">', '</a>');
return $article_html;
}
if (!empty($param['topic']))
$this->topicName = $param['topic'];
$pageUrl = 'http://www.cnet.com/'.(empty($this->topicName) ? '' : 'topics/'.$this->topicName.'/');
$html = file_get_html($pageUrl) or $this->returnError('Could not request CNET: '.$pageUrl, 500);
$limit = 0;
foreach($html->find('div.socialSharingSmall') as $element) {
if ($limit < 4) {
$article_meta = json_decode(ExtractFromDelimiters($element->outertext, 'data-social-counts-options=\'', '\'>'));
$article_title = $article_meta->title;
$article_uri = $article_meta->url;
if (!empty($article_title) && !empty($article_uri) && strpos($article_uri, '/news/') !== false) {
$article_html = file_get_html($article_uri) or $this->returnError('Could not request CNET: '.$article_uri, 500);
$article_timestamp = strtotime(ExtractFromDelimiters($article_html->innertext, '<time itemprop="datePublished" class="', '">'));
$article_thumbnail = $article_html->find('div.originalImage', 0);
if (is_null($article_thumbnail))
$article_thumbnail = $article_html->find('span.imageContainer', 0);
if (!is_null($article_thumbnail))
$article_thumbnail = $article_thumbnail->find('img', 0)->src;
$article_content = trim(CleanArticle(ExtractFromDelimiters($article_html, '</div></div></div><div class="col-8">', '<footer>')));
$article_author = trim($article_html->find('a.author', 0)->plaintext);
$item = new \Item();
$item->uri = $article_uri;
$item->thumbnailUri = $article_thumbnail;
$item->title = $article_title;
$item->author = $article_author;
$item->timestamp = $article_timestamp;
$item->content = $article_content;
$this->items[] = $item;
$limit++;
}
}
}
}
public function getName() {
return 'CNET News Bridge'.(empty($this->topicName) ? '' : ' - '.$this->topicName);
}
public function getURI() {
return 'http://www.cnet.com/';
}
public function getCacheDuration() {
return 1800; // 30 minutes
// return 0;
}
}