89 rivejä
3,9 KiB
PHP
89 rivejä
3,9 KiB
PHP
<?php
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class NextgovBridge extends BridgeAbstract {
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public function loadMetadatas() {
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$this->maintainer = 'ORelio';
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$this->name = 'Nextgov Bridge';
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$this->uri = 'https://www.nextgov.com/';
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$this->description = 'USA Federal technology news, best practices, and web 2.0 tools.';
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$this->parameters[] = array(
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'category'=>array(
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'name'=>'Category',
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'type'=>'list',
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'values'=>array(
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'All'=>'all',
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'Technology News'=>'technology-news',
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'CIO Briefing'=>'cio-briefing',
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'Emerging Tech'=>'emerging-tech',
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'Cloud'=>'cloud-computing',
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'Cybersecurity'=>'cybersecurity',
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'Mobile'=>'mobile',
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'Health'=>'health',
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'Defense'=>'defense',
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'Big Data'=>'big-data'
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)
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)
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);
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}
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public function collectData(array $param) {
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function ExtractFromDelimiters($string, $start, $end) {
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if (strpos($string, $start) !== false) {
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$section_retrieved = substr($string, strpos($string, $start) + strlen($start));
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$section_retrieved = substr($section_retrieved, 0, strpos($section_retrieved, $end));
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return $section_retrieved;
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} return false;
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}
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function StripWithDelimiters($string, $start, $end) {
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while (strpos($string, $start) !== false) {
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$section_to_remove = substr($string, strpos($string, $start));
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$section_to_remove = substr($section_to_remove, 0, strpos($section_to_remove, $end) + strlen($end));
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$string = str_replace($section_to_remove, '', $string);
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} return $string;
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}
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$category = $param['category'];
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if (empty($category))
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$category = 'all';
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if ($category !== preg_replace('/[^a-z-]+/', '', $category) || strlen($category > 32))
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$this->returnClientError('Invalid "category" parameter.');
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$url = $this->getURI().'rss/'.$category.'/';
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$html = $this->getSimpleHTMLDOM($url) or $this->returnServerError('Could not request Nextgov: '.$url);
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$limit = 0;
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foreach ($html->find('item') as $element) {
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if ($limit < 10) {
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$article_url = ExtractFromDelimiters($element->innertext, '<link>', '</link>');
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$article_author = ExtractFromDelimiters($element->innertext, 'dc/elements/1.1/">', '</dc:creator>');
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$article_title = $element->find('title', 0)->plaintext;
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$article_subtitle = $element->find('description', 0)->plaintext;
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$article_timestamp = strtotime($element->find('pubDate', 0)->plaintext);
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$article_thumbnail = ExtractFromDelimiters($element->innertext, '<media:content url="', '"');
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$article = $this->getSimpleHTMLDOM($article_url) or $this->returnServerError('Could not request Nextgov: '.$article_url);
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$contents = $article->find('div.wysiwyg', 0)->innertext;
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$contents = StripWithDelimiters($contents, '<div class="ad-container">', '</div>');
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$contents = StripWithDelimiters($contents, '<div', '</div>'); //ad outer div
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$contents = StripWithDelimiters($contents, '<script', '</script>');
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$contents = ($article_thumbnail == '' ? '' : '<p><img src="'.$article_thumbnail.'" /></p>')
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.'<p><b>'.$article_subtitle.'</b></p>'
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.trim($contents);
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$item = array();
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$item['uri'] = $article_url;
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$item['title'] = $article_title;
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$item['author'] = $article_author;
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$item['timestamp'] = $article_timestamp;
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$item['content'] = $contents;
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$this->items[] = $item;
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$limit++;
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}
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}
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}
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}
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