require_once 'Filesystem.php';
if (!isset($_GET['q'])) {
die("No valid query given");
}
switch ($_GET['q']) {
case 'create':
assure_keys($_GET, array('root', 'name', 'path'), 'Could not create playlist: Invalid aguments given');
create($_GET['root'], $_GET['path'], $_GET['name']);
break;
case 'delete':
assure_keys($_GET, array('root', 'path'), 'Could not delete playlist: Invalid aguments given');
delete($_GET['root'], $_GET['path']);
break;
case 'save':
assure_keys($_GET, array('root', 'path'), 'Playlist could not be saved: Invalid aguments given');
assure_keys($_POST, 'data', 'Playlist could not be saved: Invalid aguments given');
save($_GET['root'], $_GET['path'], $_POST['data']);
break;
default:
die("Unrecognized query {$_GET['q']}");
}
function assure_keys($array, $keys, $error_message = '')
{
if (!is_array($keys)) {
$keys = array($keys);
}
foreach ($keys as $key) {
if (!isset($array[$key])) {
die($error_message);
}
}
case 'playlist-tree':
assure_keys($_GET, array('root', 'path'));
assure_keys($_SESSION, SESSION_MEDIA);
echo playlist_valid_tree($_GET['root'], $_GET['path'], unserialize($_SESSION[SESSION_MEDIA]));
break;
case 'playlist-contents':
assure_keys($_GET, array('root', 'path'));
echo playlist_contents($_GET['root'], $_GET['path']);
break;
case 'playlist-invalid-count':
assure_keys($_GET, array('root', 'path'), '-1');
echo playlist_invalid_count($_GET['root'], $_GET['path']);
break;
case 'playlists':
assure_keys($_GET, array('root'));
assure_keys($_SESSION, SESSION_PLAYLISTS);
echo playlists($_GET['root'], unserialize($_SESSION[SESSION_PLAYLISTS]));
break;
default:
die("Unrecognized query {$_GET['q']}");
}
function assure_keys($array, $keys, $error_message = '')
{
if (!is_array($keys)) {
$keys = array($keys);
}
foreach ($keys as $key) {
if (!isset($array[$key])) {
die($error_message);
}
}