get('blogUrl'); if ($url === '*default*') { $url = self::NEWS_URL; } return CRM_Utils_System::evalUrl($url); } /** * Output data to template. */ public function run() { $this->assign('feeds', $this->getData()); return parent::run(); } /** * Load feeds from cache. * * Refresh cache if expired. * * @return array */ protected function getData() { $value = Civi::cache('community_messages')->get('dashboard_newsfeed'); if (!$value) { $value = $this->getFeeds(); if ($value) { Civi::cache('community_messages')->set('dashboard_newsfeed', $value, (60 * 60 * 24 * self::CACHE_DAYS)); } } return $value; } /** * Fetch all feeds. * * @return array */ protected function getFeeds() { $newsFeed = $this->getFeed($this->getNewsUrl()); // If unable to fetch the feed, return empty results. if (!$newsFeed) { return []; } $feeds = $this->formatItems($newsFeed); return $feeds; } /** * Parse a single rss feed. * * @param $url * * @return array|NULL * array of blog items; or NULL if not available */ protected function getFeed($url) { $httpClient = new CRM_Utils_HttpClient(self::CHECK_TIMEOUT); list ($status, $rawFeed) = $httpClient->get($url); if ($status !== CRM_Utils_HttpClient::STATUS_OK) { return NULL; } return @simplexml_load_string($rawFeed); } /** * @param string $feed * @return array */ protected function formatItems($feed) { $result = []; if ($feed && !empty($feed->channel)) { foreach ($feed->channel as $channel) { $content = [ 'title' => (string) $channel->title, 'description' => (string) $channel->description, 'name' => strtolower(CRM_Utils_String::munge($channel->title, '-')), 'items' => [], ]; foreach ($channel->item as $item) { $item = (array) $item; $item['title'] = strip_tags($item['title']); // Clean up description - remove tags & styles that would break dashboard layout $description = preg_replace('#]*>(.+?)]*>#s', '

$1

', $item['description']); $description = strip_tags($description, "


    • ");
          $description = preg_replace('/(<[^>]+) style=["\'].*?["\']/i', '$1', $description);
          // Add paragraph markup if it's missing.
          if (strpos($description, '';
          }
          $item['description'] = $description;
          $content['items'][] = $item;
        }
        if ($content['items']) {
          $result[] = $content;
        }
      }
    }
    return $result;
  }

}