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[Nextgov] New bridge. USA tech news.

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ORelio 2016-07-26 21:20:13 +02:00
parent 80651273b3
commit dfc4e8aaac
1 changed files with 110 additions and 0 deletions
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bridges/NextgovBridge.php Normal file
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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
}
}