rss-bridge/bridges/NasaApodBridge.php

43 lines
1.4 KiB
PHP

<?php
class NasaApodBridge extends BridgeAbstract{
const MAINTAINER = "corenting";
const NAME = "NASA APOD Bridge";
const URI = "http://apod.nasa.gov/apod/";
const CACHE_TIMEOUT = 43200; // 12h
const DESCRIPTION = "Returns the 3 latest NASA APOD pictures and explanations";
public function collectData(){
$html = getSimpleHTMLDOM(self::URI.'archivepix.html') or 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;
$uri = self::URI.$uri_page;
$item['uri'] = $uri;
$picture_html = getSimpleHTMLDOM($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;
}
}
}