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[EconomistBridge] Full rework (#2272)
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Bockiii
GitHub
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@ -1,70 +1,125 @@
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<?php
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class EconomistBridge extends BridgeAbstract {
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const NAME = 'The Economist: Latest Updates';
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const URI = 'https://www.economist.com';
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const DESCRIPTION = 'Fetches the latest updates from the Economist.';
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const MAINTAINER = 'thefranke';
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const CACHE_TIMEOUT = 3600; // 1h
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class EconomistBridge extends FeedExpander {
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public function getIcon() {
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return 'https://www.economist.com/sites/default/files/econfinal_favicon.ico';
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const MAINTAINER = 'bockiii';
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const NAME = 'Economist Bridge';
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const URI = 'https://www.economist.com/';
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const CACHE_TIMEOUT = 3600; //1hour
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const DESCRIPTION = 'Returns the latest articles for the selected category';
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const PARAMETERS = array(
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'global' => array(
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'limit' => array(
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'name' => 'Feed Item Limit',
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'required' => true,
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'type' => 'number',
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'defaultValue' => 10,
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'title' => 'Maximum number of returned feed items. Maximum 30, default 10'
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)
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),
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'Topics' => array(
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'topic' => array(
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'name' => 'Topics',
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'type' => 'list',
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'title' => 'Select a Topic',
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'defaultValue' => 'latest',
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'values' => array(
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'Latest' => 'latest',
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'The world this week' => 'the-world-this-week',
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'Letters' => 'letters',
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'Leaders' => 'leaders',
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'Briefings' => 'briefing',
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'Special reports' => 'special-report',
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'Britain' => 'britain',
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'Europe' => 'europe',
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'United States' => 'united-states',
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'The Americas' => 'the-americas',
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'Middle East and Africa' => 'middle-east-and-africa',
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'Asia' => 'asia',
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'China' => 'china',
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'International' => 'international',
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'Business' => 'business',
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'Finance and economics' => 'finance-and-economics',
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'Science and technology' => 'science-and-technology',
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'Books and arts' => 'books-and-arts',
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'Obituaries' => 'obituary',
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'Graphic detail' => 'graphic-detail',
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'Indicators' => 'economic-and-financial-indicators',
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)
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)
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),
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'Blogs' => array(
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'blog' => array(
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'name' => 'Blogs',
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'type' => 'list',
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'title' => 'Select a Blog',
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'values' => array(
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'Bagehots notebook' => 'bagehots-notebook',
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'Bartleby' => 'bartleby',
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'Buttonwoods notebook' => 'buttonwoods-notebook',
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'Charlemagnes notebook' => 'charlemagnes-notebook',
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'Democracy in America' => 'democracy-in-america',
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'Erasmus' => 'erasmus',
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'Free exchange' => 'free-exchange',
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'Game theory' => 'game-theory',
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'Gulliver' => 'gulliver',
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'Kaffeeklatsch' => 'kaffeeklatsch',
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'Prospero' => 'prospero',
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'The Economist Explains' => 'the-economist-explains',
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)
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)
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)
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);
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public function collectData(){
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// get if topics or blogs were selected and store the selected category
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switch ($this->queriedContext) {
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case 'Topics':
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$category = $this->getInput('topic');
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break;
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case 'Blogs':
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$category = $this->getInput('blog');
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break;
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default:
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$category = 'latest';
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}
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// limit the returned articles to 30 at max
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if ((int)$this->getInput('limit') <= 30) {
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$limit = (int)$this->getInput('limit');
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} else {
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$limit = 30;
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}
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$this->collectExpandableDatas('https://www.economist.com/' . $category . '/rss.xml', $limit);
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}
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public function collectData() {
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$html = getSimpleHTMLDOM(self::URI . '/latest/')
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or returnServerError('Could not fetch latest updates form The Economist.');
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protected function parseItem($feedItem){
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$item = parent::parseItem($feedItem);
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foreach($html->find('div.teaser') as $element) {
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$article = getSimpleHTMLDOM($item['uri'])
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or returnServerError('Could not request Site: ' . $item['title']);
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// before the article can be added, it needs to be cleaned up, thus, the extra function
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$item['content'] = $this->cleanContent($article);
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// only the article lead image is retained
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$item['enclosures'][] = $article->find('div.article__lead-image', 0)->find('img', 0)->getAttribute('src');
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$a = $element->find('a.headline-link', 0);
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$href = $a->href;
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return $item;
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}
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if (substr($href, 0, 4) != 'http')
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$href = self::URI . $a->href;
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$full = getSimpleHTMLDOMCached($href);
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$article = $full->find('article', 0);
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$header = $article->find('span[itemprop="headline"]', 0);
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$headerimg = $article->find('div[itemprop="image"]', 0)->find('img', 0);
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$author = $article->find('p[itemprop="byline"]', 0);
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$time = $article->find('time', 0);
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$content = $article->find('div[itemprop="text"]', 0);
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$section = array( $article->find('strong[itemprop="articleSection"]', 0)->plaintext );
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// Author
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if ($author)
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$author = substr($author->innertext, 3, strlen($author));
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else
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$author = 'The Economist';
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// Remove newsletter subscription box
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$newsletter = $content->find('div[class="newsletter-form__message"]', 0);
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if ($newsletter)
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$newsletter->outertext = '';
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$newsletterForm = $content->find('form', 0);
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if ($newsletterForm)
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$newsletterForm->outertext = '';
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// Remove next and previous article URLs at the bottom
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$nextprev = $content->find('div[class="blog-post__next-previous-wrapper"]', 0);
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if ($nextprev)
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$nextprev->outertext = '';
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$item = array();
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$item['title'] = $header->innertext;
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$item['uri'] = $href;
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$item['timestamp'] = strtotime($time->datetime);
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$item['author'] = $author;
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$item['categories'] = $section;
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$item['content'] = '<img style="max-width: 100%" src="'
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. $headerimg->src . '">' . $content->innertext;
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$this->items[] = $item;
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if (count($this->items) >= 10)
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break;
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private function cleanContent($article){
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// the actual article is in this div
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$content = $article->find('div.layout-article-body', 0)->innertext;
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// clean the article content. Remove all div's since the text is in paragraph elements
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foreach (array(
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'<div '
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) as $tag_start) {
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$content = stripRecursiveHTMLSection($content, 'div', $tag_start);
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}
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// now remove embedded iframes. The podcast postings contain these for example
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$content = preg_replace('/<iframe.*?\/iframe>/i', '', $content);
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// fix the relative links
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$content = defaultLinkTo($content, $this->getURI());
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return $content;
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}
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}
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