[AstrophysicsDataSystemBridge] Add bridge (#2796)

bridges/AstrophysicsDataSystemBridge.php

@@ -0,0 +1,49 @@
+<?php
+class AstrophysicsDataSystemBridge extends BridgeAbstract {
+	const NAME = 'SAO/NASA Astrophysics Data System';
+	const DESCRIPTION = 'Returns the latest publications from a query';
+	const URI = 'https://ui.adsabs.harvard.edu';
+	const MAINTAINER = 'Yaman Qalieh';
+	const PARAMETERS = array(
+		'Publications' => array(
+			'query' => array(
+				'name' => 'query',
+				'title' => 'Same format as the search bar on the website',
+				'exampleValue' => 'author:"huchra, john"',
+				'required' => true
+			)
+	));
+
+	private $feedTitle;
+
+	public function getName() {
+		if ($this->queriedContext === 'Publications') {
+			return $this->feedTitle;
+		}
+		return parent::getName();
+	}
+
+	public function getURI() {
+		if ($this->queriedContext === 'Publications') {
+			return self::URI . '/search/?q=' . urlencode($this->getInput('query'));
+		}
+		return parent::getURI();
+	}
+
+	public function collectData() {
+		$headers = array (
+			'Cookie: core=always;'
+		);
+		$html = str_get_html(defaultLinkTo(getContents($this->getURI(), $headers), self::URI));
+		$this->feedTitle = html_entity_decode($html->find('title', 0)->plaintext);
+		foreach($html->find('div.row > ul > li') as $pub) {
+			$item = array();
+			$item['title'] = $pub->find('h3.s-results-title', 0)->plaintext;
+			$item['content'] = $pub->find('div.s-results-links', 0);
+			$item['uri'] = $pub->find('a.abs-redirect-link', 0)->href;
+			$item['author'] = rtrim($pub->find('li.article-author', 0)->plaintext, ' ;');
+			$item['timestamp'] = $pub->find('div[aria-label="date published"]', 0)->plaintext;
+			$this->items[] = $item;
+		}
+	}
+}