/**
* Process RSS feed and return results.
*
* @param $feed_url
* @param null $cache_name
* @param int $cache_expires
* @return array|mixed
*/
public static function getNewsFeed($feed_url, $cache_name = NULL, $cache_expires = 900)
{
if (!is_null($cache_name)) {
$feed_cache = Cache::get('feed_' . $cache_name);
} else {
$feed_cache = null;
}
if ($feed_cache) {
return $feed_cache;
}
// Catch the occasional error when the RSS feed is malformed or the HTTP request times out.
try {
$news_feed = Reader::import($feed_url);
} catch (\Exception $e) {
$news_feed = NULL;
}
if (!is_null($news_feed)) {
$latest_news = array();
$article_num = 0;
foreach ($news_feed as $item) {
$article_num++;
$news_item = array('num' => $article_num, 'title' => $item->getTitle(), 'timestamp' => $item->getDateModified()->getTimestamp(), 'description' => trim($item->getDescription()), 'link' => $item->getLink(), 'categories' => $item->getCategories()->getValues());
$latest_news[] = $news_item;
}
$latest_news = array_slice($latest_news, 0, 10);
if (!is_null($cache_name)) {
Cache::set($latest_news, 'feed_' . $cache_name, array('feeds', $cache_name), $cache_expires);
}
return $latest_news;
}
}
/**
* Static Functions
*/
public static function fetch($only_approved = true)
{
$cache_name = 'pvlive_affiliates_' . ($only_approved ? 'approved' : 'all');
$records = \DF\Cache::get($cache_name);
if (!$records) {
$records = self::fetchArray();
if ($only_approved) {
$records = array_filter($records, function ($record) {
return $record['is_approved'];
});
}
// Add affiliate tracking info.
foreach ($records as &$record) {
$record['web_url'] = \PVL\AnalyticsManager::addTracking($record['web_url'], array('source' => 'pvliveaffiliate'));
}
\DF\Cache::set($records, $cache_name, array(), 60);
}
shuffle($records);
return $records;
}
public function indexAction()
{
if ($this->hasParam('id')) {
$id = (int) $this->getParam('id');
$record = $this->em->createQuery('SELECT p, s, pe FROM Entity\\Podcast p LEFT JOIN p.stations s LEFT JOIN p.episodes pe WHERE p.is_approved = 1 AND p.id = :id')->setParameter('id', $id)->execute();
if ($record[0] instanceof Podcast) {
$return = Podcast::api($record[0], TRUE);
return $this->returnSuccess($return);
} else {
return $this->returnError('Show not found!');
}
} else {
$return = \DF\Cache::get('api_shows');
if (!$return) {
$records = $this->em->createQuery('SELECT p, s, pe FROM Entity\\Podcast p LEFT JOIN p.stations s LEFT JOIN p.episodes pe WHERE p.is_approved = 1 ORDER BY p.name ASC')->getArrayResult();
$return = array();
foreach ($records as $record) {
$return[] = Podcast::api($record, 10);
}
\DF\Cache::set($return, 'api_shows', array(), 60);
}
return $this->returnSuccess($return);
}
}
public function feedAction()
{
$this->doNotRender();
if ($this->hasParam('id')) {
$id = (int) $this->getParam('id');
$record = Podcast::find($id);
if (!$record instanceof Podcast) {
throw new \DF\Exception\DisplayOnly('Show record not found!');
}
$feed_title = $record->name;
$feed_desc = $record->description ? $record->description : 'A Ponyville Live! Show.';
$cache_name = 'podcasts_' . $id . '_feed';
$q = $this->em->createQuery('SELECT pe, p FROM Entity\\PodcastEpisode pe JOIN pe.podcast p WHERE p.is_approved = 1 AND p.id = :id ORDER BY pe.timestamp DESC')->setParameter('id', $id);
} else {
$feed_title = 'Ponyville Live! Shows';
$feed_desc = 'The partner shows of the Ponyville Live! network, including commentary, interviews, episode reviews, convention coverage, and more.';
$cache_name = 'podcasts_all_feed';
$q = $this->em->createQuery('SELECT pe, p FROM Entity\\PodcastEpisode pe JOIN pe.podcast p WHERE p.is_approved = 1 AND pe.timestamp >= :threshold ORDER BY pe.timestamp DESC')->setParameter('threshold', strtotime('-3 months'));
}
$rss = \DF\Cache::get($cache_name);
if (!$rss) {
$records = $q->getArrayResult();
// Initial RSS feed setup.
$feed = new \Zend\Feed\Writer\Feed();
$feed->setTitle($feed_title);
$feed->setLink('http://ponyvillelive.com/');
$feed->setDescription($feed_desc);
$feed->addAuthor(array('name' => 'Ponyville Live!', 'email' => '*****@*****.**', 'uri' => 'http://ponyvillelive.com'));
$feed->setDateModified(time());
foreach ((array) $records as $episode) {
try {
$podcast = $episode['podcast'];
$title = $episode['title'];
// Check for podcast name preceding episode name.
if (substr($title, 0, strlen($podcast['name'])) == $podcast['name']) {
$title = substr($title, strlen($podcast['name']));
}
$title = trim($title, " :-\t\n\r\v");
$title = $podcast['name'] . ' - ' . $title;
// Create record.
$entry = $feed->createEntry();
$entry->setTitle($title);
$entry->setLink($episode['web_url']);
$entry->addAuthor(array('name' => $podcast['name'], 'uri' => $podcast['web_url']));
$entry->setDateModified($episode['timestamp']);
$entry->setDateCreated($episode['timestamp']);
if ($podcast['description']) {
$entry->setDescription($podcast['description']);
}
if ($episode['body']) {
$entry->setContent($episode['body']);
}
$feed->addEntry($entry);
} catch (\Exception $e) {
}
}
// Export feed.
$rss = $feed->export('rss');
\DF\Cache::set($rss, $cache_name, array(), 60 * 15);
}
header("Content-Type: application/rss+xml");
echo $rss;
}
