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47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
<?php
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class NasaApodBridge extends BridgeAbstract {
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const MAINTAINER = 'corenting';
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const NAME = 'NASA APOD Bridge';
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const URI = 'https://apod.nasa.gov/apod/';
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const CACHE_TIMEOUT = 43200; // 12h
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const DESCRIPTION = 'Returns the 3 latest NASA APOD pictures and explanations';
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public function collectData(){
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$html = getSimpleHTMLDOM(self::URI . 'archivepix.html')
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or returnServerError('Error while downloading the website content');
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// Start at 1 to skip the "APOD Full Archive" on top of the page
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for($i = 1; $i < 4; $i++) {
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$item = array();
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$uri_page = $html->find('a', $i + 3)->href;
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$uri = self::URI . $uri_page;
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$item['uri'] = $uri;
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$picture_html = getSimpleHTMLDOM($uri);
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$picture_html_string = $picture_html->innertext;
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//Extract image and explanation
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$image_wrapper = $picture_html->find('a',1);
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$image_path = $image_wrapper->href;
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$img_placeholder = $image_wrapper->find('img', 0);
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$img_alt = $img_placeholder->alt;
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$img_style = $img_placeholder->style;
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$image_uri = self::URI . $image_path;
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$new_img_placeholder = "<img src=\"$image_uri\" alt=\"$img_alt\" style=\"$img_style\">";
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$media = "<a href=\"$image_uri\">$new_img_placeholder</a>";
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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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}
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