[ReutersBridge] Add bridge (#1653)
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bridges/ReutersBridge.php
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246
bridges/ReutersBridge.php
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<?php
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class ReutersBridge extends BridgeAbstract
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{
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const MAINTAINER = 'hollowleviathan, spraynard, csisoap';
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const NAME = 'Reuters Bridge';
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const URI = 'https://reuters.com/';
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const CACHE_TIMEOUT = 1800; // 30min
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const DESCRIPTION = 'Returns news from Reuters';
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private $feedName = self::NAME;
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/**
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* Wireitem types allowed in the final story output
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*/
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const ALLOWED_WIREITEM_TYPES = array(
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'story',
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'headlines'
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);
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/**
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* Wireitem template types allowed in the final story output
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*/
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const ALLOWED_TEMPLATE_TYPES = array(
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'story'
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);
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const PARAMETERS = array(
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array(
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'feed' => array(
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'name' => 'News Feed',
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'type' => 'list',
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'title' => 'Feeds from Reuters U.S/International edition',
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'values' => array(
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'Aerospace and Defense' => 'aerospace',
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'Business' => 'business',
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'China' => 'china',
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'Energy' => 'energy',
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'Entertainment' => 'chan:8ym8q8dl',
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'Environment' => 'chan:6u4f0jgs',
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'Health' => 'chan:8hw7807a',
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'Lifestyle' => 'life',
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'Markets' => 'markets',
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'Politics' => 'politics',
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'Science' => 'science',
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'Special Reports' => 'special-reports',
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'Sports' => 'sports',
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'Tech' => 'tech',
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'Top News' => 'home/topnews',
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'UK' => 'chan:61leiu7j',
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'USA News' => 'us',
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'Wire' => 'wire',
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'World' => 'world',
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)
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)
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)
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);
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/**
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* Performs an HTTP request to the Reuters API and returns decoded JSON
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* in the form of an associative array
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* @param string $feed_uri Parameter string to the Reuters API
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* @return array
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*/
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private function getJson($feed_uri)
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{
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$uri = "https://wireapi.reuters.com/v8$feed_uri";
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$returned_data = getContents($uri);
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return json_decode($returned_data, true);
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}
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/**
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* Takes in data from Reuters Wire API and
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* creates structured data in the form of a list
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* of story information.
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* @param array $data JSON collected from the Reuters Wire API
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*/
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private function processData($data)
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{
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/**
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* Gets a list of wire items which are groups of templates
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*/
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$reuters_allowed_wireitems = array_filter(
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$data, function ($wireitem) {
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return in_array(
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$wireitem['wireitem_type'],
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self::ALLOWED_WIREITEM_TYPES
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);
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}
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);
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/*
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* Gets a list of "Templates", which is data containing a story
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*/
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$reuters_wireitem_templates = array_reduce(
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$reuters_allowed_wireitems,
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function (array $carry, array $wireitem) {
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$wireitem_templates = $wireitem['templates'];
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return array_merge(
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$carry,
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array_filter(
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$wireitem_templates, function (
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array $template_data
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) {
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return in_array(
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$template_data['type'],
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self::ALLOWED_TEMPLATE_TYPES
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);
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}
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)
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);
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},
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array()
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);
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return $reuters_wireitem_templates;
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}
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private function getArticle($feed_uri)
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{
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// This will make another request to API to get full detail of article and author's name.
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$rawData = $this->getJson($feed_uri);
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$reuters_wireitems = $rawData['wireitems'];
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$processedData = $this->processData($reuters_wireitems);
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$first = reset($processedData);
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$article_content = $first['story']['body_items'];
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$authorlist = $first['story']['authors'];
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$category = $first['story']['channel']['name'];
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$image_list = $first['story']['images'];
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$img_placeholder = '';
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foreach($image_list as $image) { // Add more image to article.
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$image_url = $image['url'];
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$image_caption = $image['caption'];
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$img = "<img src=\"$image_url\">";
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$img_caption = "<figcaption style=\"text-align: center;\"><i>$image_caption</i></figcaption>";
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$figure = "<figure>$img \t $img_caption</figure>";
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$img_placeholder = $img_placeholder . $figure;
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}
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$author = '';
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$counter = 0;
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foreach ($authorlist as $data) {
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//Formatting author's name.
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$counter++;
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$name = $data['name'];
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if ($counter == count($authorlist)) {
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$author = $author . $name;
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} else {
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$author = $author . "$name, ";
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}
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}
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$description = '';
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foreach ($article_content as $content) {
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$data;
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if(isset($content['content'])) {
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$data = $content['content'];
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}
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switch($content['type']) {
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case 'paragraph':
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$description = $description . "<p>$data</p>";
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break;
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case 'heading':
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$description = $description . "<h3>$data</h3>";
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break;
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case 'infographics':
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$description = $description . "<img src=\"$data\">";
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break;
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case 'inline_items':
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$item_list = $content['items'];
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$description = $description . '<p>';
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foreach ($item_list as $item) {
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if($item['type'] == 'text') {
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$description = $description . $item['content'];
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} else {
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$description = $description . $item['symbol'];
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}
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}
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$description = $description . '</p>';
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break;
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case 'p_table':
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$description = $description . $content['content'];
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break;
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}
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}
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$content_detail = array(
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'content' => $description,
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'author' => $author,
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'category' => $category,
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'images' => $img_placeholder,
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);
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return $content_detail;
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}
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public function getName() {
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return $this->feedName;
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}
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public function collectData()
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{
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$reuters_feed_name = $this->getInput('feed');
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if(strpos($reuters_feed_name, 'chan:') !== false) {
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// Now checking whether that feed has unique ID or not.
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$feed_uri = "/feed/rapp/us/wirefeed/$reuters_feed_name";
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} else {
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$feed_uri = "/feed/rapp/us/tabbar/feeds/$reuters_feed_name";
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}
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$data = $this->getJson($feed_uri);
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$reuters_wireitems = $data['wireitems'];
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$this->feedName = $data['wire_name'] . ' | Reuters';
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$processedData = $this->processData($reuters_wireitems);
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// Merge all articles from Editor's Highlight section into existing array of templates.
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$top_section = reset($reuters_wireitems);
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if ($top_section['wireitem_type'] == 'headlines') {
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$top_articles = $top_section['templates'][1]['headlines'];
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$processedData = array_merge($top_articles, $processedData);
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}
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foreach ($processedData as $story) {
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$item['uid'] = $story['story']['usn'];
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$article_uri = $story['template_action']['api_path'];
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$content_detail = $this->getArticle($article_uri);
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$description = $content_detail['content'];
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$author = $content_detail['author'];
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$images = $content_detail['images'];
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$item['categories'] = array($content_detail['category']);
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$item['author'] = $author;
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if (!(bool) $description) {
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$description = $story['story']['lede']; // Just in case the content doesn't have anything.
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} else {
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$item['content'] = "$description $images";
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}
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$item['title'] = $story['story']['hed'];
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$item['timestamp'] = $story['story']['updated_at'];
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$item['uri'] = $story['template_action']['url'];
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$this->items[] = $item;
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}
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}
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}
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