mirror of https://github.com/danoloan10/rss-bridge
81 lines
2.6 KiB
PHP
81 lines
2.6 KiB
PHP
<?php
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class GoogleScholarBridge extends BridgeAbstract
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{
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const NAME = 'Goolge Scholar';
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const URI = 'https://scholar.google.com/';
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const DESCRIPTION = 'Follow authors of scientific publications.';
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const MAINTAINER = 'thefranke';
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const CACHE_TIMEOUT = 86400; // 24h
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const PARAMETERS = [[
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'userId' => [
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'name' => 'User ID',
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'exampleValue' => 'qc6CJjYAAAAJ',
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'required' => true
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]
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]];
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public function getIcon()
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{
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return 'https://scholar.google.com/favicon.ico';
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}
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public function collectData()
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{
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$uri = self::URI . '/citations?hl=en&view_op=list_works&sortby=pubdate&user=' . $this->getInput('userId');
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$html = getSimpleHTMLDOM($uri)
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or returnServerError('Could not fetch Google Scholar data.');
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$publications = $html->find('tr[class="gsc_a_tr"]');
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foreach ($publications as $publication) {
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$articleUrl = self::URI . htmlspecialchars_decode($publication->find('a[class="gsc_a_at"]', 0)->href);
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$articleTitle = $publication->find('a[class="gsc_a_at"]', 0)->plaintext;
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# fetch the article itself to extract rest of content
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$contentArticle = getSimpleHTMLDOMCached($articleUrl);
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$articleEntries = $contentArticle->find('div[class="gs_scl"]');
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$articleDate = '';
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$articleAbstract = '';
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$articleAuthor = '';
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$content = '';
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foreach ($articleEntries as $entry) {
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$field = $entry->find('div[class="gsc_oci_field"]', 0)->plaintext;
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$value = $entry->find('div[class="gsc_oci_value"]', 0)->plaintext;
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if ($field == 'Publication date') {
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$articleDate = $value;
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} else if ($field == 'Description') {
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$articleAbstract = $value;
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} else if ($field == 'Authors') {
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$articleAuthor = $value;
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} else if ($field == 'Scholar articles' || $field == 'Total citations') {
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continue;
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} else {
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$content = $content . $field . ': ' . $value . '<br><br>';
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}
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}
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$content = $content . $articleAbstract;
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$item = [];
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$item['title'] = $articleTitle;
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$item['uri'] = $articleUrl;
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$item['timestamp'] = strtotime($articleDate);
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$item['author'] = $articleAuthor;
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$item['content'] = $content;
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$this->items[] = $item;
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if (count($this->items) >= 10) {
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break;
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}
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}
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}
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}
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