array(
'name' => 'News Feed',
'type' => 'list',
'title' => 'Feeds from Reuters U.S/International edition',
'values' => array(
'Aerospace and Defense' => 'aerospace',
'Business' => 'business',
'China' => 'china',
'Energy' => 'energy',
'Entertainment' => 'chan:8ym8q8dl',
'Environment' => 'chan:6u4f0jgs',
'Fact Check' => 'chan:abtpk0vm',
'Health' => 'chan:8hw7807a',
'Lifestyle' => 'life',
'Markets' => 'markets',
'Politics' => 'politics',
'Science' => 'science',
'Special Reports' => 'special-reports',
'Sports' => 'sports',
'Tech' => 'tech',
'Top News' => 'home/topnews',
'UK' => 'chan:61leiu7j',
'USA News' => 'us',
'Wire' => 'wire',
'World' => 'world',
)
)
)
);
/**
* Performs an HTTP request to the Reuters API and returns decoded JSON
* in the form of an associative array
* @param string $feed_uri Parameter string to the Reuters API
* @return array
*/
private function getJson($feed_uri)
{
$uri = "https://wireapi.reuters.com/v8$feed_uri";
$returned_data = getContents($uri);
return json_decode($returned_data, true);
}
/**
* Takes in data from Reuters Wire API and
* creates structured data in the form of a list
* of story information.
* @param array $data JSON collected from the Reuters Wire API
*/
private function processData($data)
{
/**
* Gets a list of wire items which are groups of templates
*/
$reuters_allowed_wireitems = array_filter(
$data, function ($wireitem) {
return in_array(
$wireitem['wireitem_type'],
self::ALLOWED_WIREITEM_TYPES
);
}
);
/*
* Gets a list of "Templates", which is data containing a story
*/
$reuters_wireitem_templates = array_reduce(
$reuters_allowed_wireitems,
function (array $carry, array $wireitem) {
$wireitem_templates = $wireitem['templates'];
return array_merge(
$carry,
array_filter(
$wireitem_templates, function (
array $template_data
) {
return in_array(
$template_data['type'],
self::ALLOWED_TEMPLATE_TYPES
);
}
)
);
},
array()
);
return $reuters_wireitem_templates;
}
private function getArticle($feed_uri)
{
// This will make another request to API to get full detail of article and author's name.
$rawData = $this->getJson($feed_uri);
$reuters_wireitems = $rawData['wireitems'];
$processedData = $this->processData($reuters_wireitems);
$first = reset($processedData);
$article_content = $first['story']['body_items'];
$authorlist = $first['story']['authors'];
$category = $first['story']['channel']['name'];
$image_list = $first['story']['images'];
$published_at = $first['story']['published_at'];
$content_detail = array(
'content' => $this->handleArticleContent($article_content),
'author' => $this->handleAuthorName($authorlist),
'category' => $category,
'images' => $this->handleImage($image_list),
'published_at' => $published_at
);
return $content_detail;
}
private function handleImage($images) {
$img_placeholder = '';
foreach($images as $image) { // Add more image to article.
$image_url = $image['url'];
$image_caption = $image['caption'];
$img = "![\"$image_caption\"](\"$image_url\")
";
$img_caption = "$image_caption";
$figure = "$img \t $img_caption";
$img_placeholder = $img_placeholder . $figure;
}
return $img_placeholder;
}
private function handleAuthorName($authors) {
$author = '';
$counter = 0;
foreach ($authors as $data) {
//Formatting author's name.
$counter++;
$name = $data['name'];
if ($counter == count($authors)) {
$author = $author . $name;
} else {
$author = $author . "$name, ";
}
}
return $author;
}
private function handleArticleContent($contents) {
$description = '';
foreach ($contents as $content) {
$data;
if(isset($content['content'])) {
$data = $content['content'];
}
switch($content['type']) {
case 'paragraph':
$description = $description . "$data
";
break;
case 'heading':
$description = $description . "$data
";
break;
case 'infographics':
$description = $description . "![](\"$data\")
";
break;
case 'inline_items':
$item_list = $content['items'];
$description = $description . '';
foreach ($item_list as $item) {
if($item['type'] == 'text') {
$description = $description . $item['content'];
} else {
$description = $description . $item['symbol'];
}
}
$description = $description . '
';
break;
case 'p_table':
$description = $description . $content['content'];
break;
case 'upstream_embed':
$media_type = $content['media_type'];
$cid = $content['cid'];
$embed = '';
switch ($media_type) {
case 'tweet':
$url = "https://platform.twitter.com/embed/Tweet.html?id=$cid";
$embed .= <<
EOD;
break;
case 'instagram':
$url = "https://instagram.com/p/$cid/media/?size=l";
$embed .= <<
EOD;
break;
case 'youtube':
$url = "https://www.youtube.com/embed/$cid";
$embed .= <<
EOD;
break;
}
$description .= $embed;
break;
}
}
return $description;
}
public function getName() {
return $this->feedName;
}
public function collectData()
{
$reuters_feed_name = $this->getInput('feed');
if(strpos($reuters_feed_name, 'chan:') !== false) {
// Now checking whether that feed has unique ID or not.
$feed_uri = "/feed/rapp/us/wirefeed/$reuters_feed_name";
} else {
$feed_uri = "/feed/rapp/us/tabbar/feeds/$reuters_feed_name";
}
$data = $this->getJson($feed_uri);
$reuters_wireitems = $data['wireitems'];
$this->feedName = $data['wire_name'] . ' | Reuters';
$processedData = $this->processData($reuters_wireitems);
// Merge all articles from Editor's Highlight section into existing array of templates.
$top_section = reset($processedData);
if ($top_section['type'] == 'headlines') {
$top_section = array_shift($processedData);
$articles = $top_section['headlines'];
$processedData = array_merge($articles, $processedData);
}
foreach ($processedData as $story) {
$item['uid'] = $story['story']['usn'];
$article_uri = $story['template_action']['api_path'];
$content_detail = $this->getArticle($article_uri);
$description = $content_detail['content'];
$author = $content_detail['author'];
$images = $content_detail['images'];
$item['categories'] = array($content_detail['category']);
$item['author'] = $author;
if (!(bool) $description) {
$description = $story['story']['lede']; // Just in case the content doesn't have anything.
} else {
$item['content'] = "$description $images";
}
$item['title'] = $story['story']['hed'];
$item['timestamp'] = $content_detail['published_at'];
$item['uri'] = $story['template_action']['url'];
$this->items[] = $item;
}
}
}