rss-bridge/bridges/CNETBridge.php

86 wiersze
3,7 KiB
PHP

<?php
class CNETBridge extends BridgeAbstract {
private $topicName = '';
public function loadMetadatas() {
$this->maintainer = 'ORelio';
$this->name = 'CNET News';
$this->uri = 'http://www.cnet.com/';
$this->description = 'Returns the newest articles. <br /> You may specify a topic found in some section URLs, else all topics are selected.';
$this->parameters[] = array(
'topic'=>array('name'=>'Topic name')
);
}
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, '<p>') + 3);
$article_html = StripWithDelimiters($article_html, '<span class="credit">', '</span>');
$article_html = StripWithDelimiters($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 = $this->getSimpleHTMLDOM($pageUrl) or $this->returnServerError('Could not request CNET: '.$pageUrl);
$limit = 0;
foreach($html->find('div.assetBody') as $element) {
if ($limit < 8) {
$article_title = trim($element->find('h2', 0)->plaintext);
$article_uri = 'http://www.cnet.com'.($element->find('a', 0)->href);
$article_timestamp = strtotime($element->find('time.assetTime', 0)->plaintext);
$article_author = trim($element->find('a[rel=author]', 0)->plaintext);
if (!empty($article_title) && !empty($article_uri) && strpos($article_uri, '/news/') !== false) {
$article_html = $this->getSimpleHTMLDOM($article_uri) or $this->returnServerError('Could not request CNET: '.$article_uri);
$article_content = trim(CleanArticle(ExtractFromDelimiters($article_html, '<div class="articleContent', '<footer>')));
$item = array();
$item['uri'] = $article_uri;
$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 getCacheDuration() {
return 1800; // 30 minutes
}
}