public function filter_post_picasa_images($out, $post)
{
try {
// Check if there is any album requested
$albumname = $post->info->picasa_album;
if (!isset($albumname) || empty($albumname)) {
return $out;
}
// TODO: Size to post options
$size = "s200";
//Check if the photos are already cached first because then we're already finished
if (Cache::has(array(__CLASS__, "album_{$albumname}"))) {
return Cache::get(array(__CLASS__, "album_{$albumname}"));
}
$picasa = new Picasa();
$picasa->userid = $post->user_id;
$this->cache_albumlist();
$albumids = Cache::get(array(__CLASS__, "picasa_albumids"));
$albumlinks = Cache::get(array(__CLASS__, "picasa_albumlinks"));
// Get the actual photos
$xml = $picasa->get_photos(array("album" => $albumids[$albumname]));
foreach ($xml->entry as $photo) {
// Warum drei URLs?
// TODO: Irgendwas mit thumbnails machen
$media = $photo->children('http://search.yahoo.com/mrss/');
// $props['thumbnail_url'] = (string)$media->group->thumbnail->attributes()->url;
$props['title'] = (string) $media->group->title;
$props['description'] = (string) $media->group->description;
$src = (string) $photo->content->attributes()->src;
$props['url'] = substr($src, 0, strrpos($src, '/')) . "/{$size}" . substr($src, strrpos($src, '/'));
$props['picasa_url'] = $src;
$photos[] = $props;
}
// TODO: Add cache expire option to the admin interface
Cache::set(array(__CLASS__, "album_{$albumname}"), $photos, 60 * 60 * 24);
} catch (exception $e) {
$photos = array(_t(vsprintf("No photos available or an error occured. Sometimes reloading the page helps. %s", $e), __CLASS__));
}
return $photos;
}
