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