/**
* Return directory contents for the silo path
*
* @param string $path The path to retrieve the contents of
* @return array An array of MediaAssets describing the contents of the directory
*/
public function silo_dir($path)
{
$path_elements = explode("/", $path);
$type = $path_elements[0];
$size = Options::get('picasasilo__picasa_size');
$picasa = new Picasa();
$results = array();
switch ($type) {
case 'albums':
$xml = $picasa->get_albums();
foreach ($xml->channel->item as $album) {
$media = $album->children('http://search.yahoo.com/mrss/');
$photo = $album->children('http://schemas.google.com/photos/2007');
$props['title'] = (string) $album->title;
$results[] = new MediaAsset(self::SILO_NAME . '/photos/album/' . $photo->id, true, $props);
}
break;
case 'photos':
$xml = $picasa->get_photos(array($path_elements[1] => $path_elements[2]));
foreach ($xml->entry as $photo) {
$media = $photo->children('http://search.yahoo.com/mrss/');
$props['filetype'] = 'picasa';
$props['thumbnail_url'] = (string) $media->group->thumbnail->attributes()->url;
$props['title'] = (string) $media->group->title;
$props['description'] = (string) $media->group->description;
//$props['filetype'] = str_replace("/", "_", $photo->content->attributes()->type);
//Utils::debug($photo->content->attributes()->type);
//Add the desired size to the url
$src = (string) $photo->content->attributes()->src;
$props['url'] = substr($src, 0, strrpos($src, '/')) . "/{$size}" . substr($src, strrpos($src, '/'));
// Do the same for fullsize, Google does not return fullsize by default
$props['picasa_url'] = substr($src, 0, strrpos($src, '/')) . "/s0" . substr($src, strrpos($src, '/'));
$results[] = new MediaAsset(self::SILO_NAME . '/photos/' . $path_elements[2] . '/' . $media->group->title, false, $props);
}
break;
case 'recent':
$xml = $picasa->get_photos();
foreach ($xml->entry as $photo) {
$media = $photo->children('http://search.yahoo.com/mrss/');
$props['filetype'] = 'picasa';
$props['thumbnail_url'] = (string) $media->group->thumbnail->attributes()->url;
$props['title'] = (string) $media->group->title;
//$props['filetype'] = str_replace("/", "_", $photo->content->attributes()->type);
//Add the desired size to the url
$src = (string) $photo->content->attributes()->src;
$props['url'] = substr($src, 0, strrpos($src, '/')) . "/{$size}" . substr($src, strrpos($src, '/'));
$props['picasa_url'] = $src;
$results[] = new MediaAsset(self::SILO_NAME . '/photos/' . $media->group->title, false, $props);
}
break;
case 'tags':
$xml = $picasa->get_tags();
foreach ($xml->entry as $tag) {
$props['title'] = (string) $tag->title;
$results[] = new MediaAsset(self::SILO_NAME . '/photos/tag/' . (string) $tag->title, true, $props);
}
break;
case '':
$results[] = new MediaAsset(self::SILO_NAME . '/albums', true, array('title' => 'Albums'));
$results[] = new MediaAsset(self::SILO_NAME . '/recent', true, array('title' => 'Recently Uploaded'));
$results[] = new MediaAsset(self::SILO_NAME . '/tags', true, array('title' => 'Tags'));
break;
}
return $results;
}
