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- <?php
- class NasaApodBridge extends BridgeAbstract{
- public function loadMetadatas() {
- $this->maintainer = "corenting";
- $this->name = "NASA APOD Bridge";
- $this->uri = "http://apod.nasa.gov/apod/astropix.html";
- $this->description = "Returns the 3 latest NASA APOD pictures and explanations";
- }
- public function collectData(array $param) {
- $html = $this->getSimpleHTMLDOM('http://apod.nasa.gov/apod/archivepix.html') or $this->returnServerError('Error while downloading the website content');
- $list = explode("<br>", $html->find('b', 0)->innertext);
- for($i = 0; $i < 3;$i++)
- {
- $line = $list[$i];
- $item = array();
- $uri_page = $html->find('a',$i + 3)->href;
- $uri = 'http://apod.nasa.gov/apod/'.$uri_page;
- $item['uri'] = $uri;
- $picture_html = $this->getSimpleHTMLDOM($uri);
- $picture_html_string = $picture_html->innertext;
- //Extract image and explanation
- $media = $picture_html->find('p',1)->innertext;
- $media = strstr($media, '<br>');
- $media = preg_replace('/<br>/', '', $media, 1);
- $explanation = $picture_html->find('p',2)->innertext;
- //Extract date from the picture page
- $date = explode(" ", $picture_html->find('p',1)->innertext);
- $item['timestamp'] = strtotime($date[4].$date[3].$date[2]);
- //Other informations
- $item['content'] = $media.'<br />'.$explanation;
- $item['title'] = $picture_html->find('b',0)->innertext;
- $this->items[] = $item;
- }
- }
- public function getCacheDuration(){
- return 3600*12; // 12 hours
- }
- }
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