public function create($feedUrl)
 {
     $feed = new SimplePie();
     $feed->set_feed_url($feedUrl);
     $feed->set_cache_location(__DIR__ . '/../../cache');
     $success = $feed->init();
     $feed->handle_content_type();
     if ($feed->error() || !$success) {
         return [null, $feed->error()];
     }
     $source = new NewsSource();
     $source->title = html_entity_decode($feed->get_title());
     $source->imageUrl = $feed->get_image_url();
     $source->feed = $feedUrl;
     $source->link = $feed->get_link();
     if ($source->save()) {
         return [$source, null];
     } else {
         return [null, 'Error saving to Database.'];
     }
 }