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- <?php
- class NextgovBridge extends BridgeAbstract {
- public function loadMetadatas() {
- $this->maintainer = 'ORelio';
- $this->name = $this->getName();
- $this->uri = $this->getURI();
- $this->description = 'USA Federal technology news, best practices, and web 2.0 tools.';
- $this->update = '2016-07-20';
- $this->parameters[] =
- '[
- {
- "name" : "Category",
- "type" : "list",
- "identifier" : "category",
- "values" :
- [
- { "name" : "All", "value" : "all" },
- { "name" : "Technology News", "value" : "technology-news" },
- { "name" : "CIO Briefing", "value" : "cio-briefing" },
- { "name" : "Emerging Tech", "value" : "emerging-tech" },
- { "name" : "Cloud", "value" : "cloud-computing" },
- { "name" : "Cybersecurity", "value" : "cybersecurity" },
- { "name" : "Mobile", "value" : "mobile" },
- { "name" : "Health", "value" : "health" },
- { "name" : "Defense", "value" : "defense" },
- { "name" : "Big Data", "value" : "big-data" }
- ]
- }
- ]';
- }
- 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;
- }
- $category = $param['category'];
- if (empty($category))
- $category = 'all';
- if ($category !== preg_replace('/[^a-z-]+/', '', $category) || strlen($category > 32))
- $this->returnError('Invalid "category" parameter.', 400);
- $url = $this->getURI().'rss/'.$category.'/';
- $html = $this->file_get_html($url) or $this->returnError('Could not request Nextgov: '.$url, 500);
- $limit = 0;
- foreach ($html->find('item') as $element) {
- if ($limit < 10) {
- $article_url = ExtractFromDelimiters($element->innertext, '<link>', '</link>');
- $article_author = ExtractFromDelimiters($element->innertext, 'dc/elements/1.1/">', '</dc:creator>');
- $article_title = $element->find('title', 0)->plaintext;
- $article_subtitle = $element->find('description', 0)->plaintext;
- $article_timestamp = strtotime($element->find('pubDate', 0)->plaintext);
- $article_thumbnail = ExtractFromDelimiters($element->innertext, '<media:content url="', '"');
- $article = $this->file_get_html($article_url) or $this->returnError('Could not request Nextgov: '.$article_url, 500);
- $contents = $article->find('div.wysiwyg', 0)->innertext;
- $contents = StripWithDelimiters($contents, '<div class="ad-container">', '</div>');
- $contents = StripWithDelimiters($contents, '<div', '</div>'); //ad outer div
- $contents = StripWithDelimiters($contents, '<script', '</script>');
- $contents = ($article_thumbnail == '' ? '' : '<p><img src="'.$article_thumbnail.'" /></p>')
- .'<p><b>'.$article_subtitle.'</b></p>'
- .trim($contents);
- if ($article_thumbnail == '')
- $article_thumbnail = 'http://cdn.nextgov.com/nextgov/images/logo.png';
- $item = new \Item();
- $item->uri = $article_url;
- $item->title = $article_title;
- $item->author = $article_author;
- $item->thumbnailUri = $article_thumbnail;
- $item->timestamp = $article_timestamp;
- $item->content = $contents;
- $this->items[] = $item;
- $limit++;
- }
- }
- }
- public function getName() {
- return 'Nextgov Bridge';
- }
- public function getURI() {
- return 'https://www.nextgov.com/';
- }
- public function getCacheDuration() {
- return 3600; //1 hour
- }
- }
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