/**
* @brief Fetch a feed from remote
* @param url remote url of the feed
* @returns an instance of OC_News_Feed
*/
public static function fetch($url)
{
$spfeed = new \SimplePie_Core();
$spfeed->set_feed_url($url);
$spfeed->enable_cache(false);
if (!$spfeed->init()) {
return null;
}
//temporary try-catch to bypass SimplePie bugs
try {
$spfeed->handle_content_type();
$title = $spfeed->get_title();
$items = array();
if ($spitems = $spfeed->get_items()) {
foreach ($spitems as $spitem) {
$itemUrl = $spitem->get_permalink();
$itemTitle = $spitem->get_title();
$itemGUID = $spitem->get_id();
$itemBody = $spitem->get_content();
$item = new Item($itemUrl, $itemTitle, $itemGUID, $itemBody);
$spAuthor = $spitem->get_author();
if ($spAuthor !== null) {
$item->setAuthor($spAuthor->get_name());
}
//date in Item is stored in UNIX timestamp format
$itemDate = $spitem->get_date('U');
$item->setDate($itemDate);
// associated media file, for podcasts
$itemEnclosure = $spitem->get_enclosure();
if ($itemEnclosure !== null) {
$enclosureType = $itemEnclosure->get_type();
$enclosureLink = $itemEnclosure->get_link();
if (stripos($enclosureType, "audio/") !== FALSE) {
$enclosure = new Item_Enclosure();
$enclosure->setMimeType($enclosureType);
$enclosure->setLink($enclosureLink);
$item->setEnclosure($enclosure);
}
}
$items[] = $item;
}
}
$feed = new Feed($url, $title, $items);
$favicon = $spfeed->get_image_url();
if ($favicon !== null && self::checkFavicon($favicon)) {
// use favicon from feed
$feed->setFavicon($favicon);
} else {
// try really hard to find a favicon
$webFavicon = self::discoverFavicon($url);
if ($webFavicon !== null) {
$feed->setFavicon($webFavicon);
}
}
return $feed;
} catch (Exception $e) {
return null;
}
}
/**
* @brief
* @param row a row from the items table of the database
* @returns an object of the class OC_News_Item
*/
public function fromRow($row)
{
$url = $row['url'];
$title = $row['title'];
$guid = $row['guid'];
$body = $row['body'];
$id = $row['id'];
$item = new Item($url, $title, $guid, $body, $id);
$item->setStatus($row['status']);
$item->setAuthor($row['author']);
$item->setDate(Utils::dbtimestampToUnixtime($row['pub_date']));
return $item;
}
/**
* @brief
* @param row a row from the items table of the database
* @returns an object of the class OC_News_Item
*/
public function fromRow($row)
{
$url = $row['url'];
$title = $row['title'];
$guid = $row['guid'];
$body = $row['body'];
$id = $row['id'];
$item = new Item($url, $title, $guid, $body, $id);
$item->setStatus($row['status']);
$item->setAuthor($row['author']);
$item->setFeedId($row['feed_id']);
$item->setDate(Utils::dbtimestampToUnixtime($row['pub_date']));
if ($row['enclosure_mime'] !== null && $row['enclosure_link'] !== null) {
$enclosure = new Item_Enclosure();
$enclosure->setMimeType($row['enclosure_mime']);
$enclosure->setLink($row['enclosure_link']);
$item->setEnclosure($enclosure);
}
return $item;
}
