/**
*
* Returns the verified storage folder. If it does not exists, it is created.
*
* @return \Mbcraft\Piol\Dir the directory, as a \Mbcraft\Piol\Dir instance, pointing to the verified storage.
* @throws \Mbcraft\Piol\IOException if the storage root does not exists or is not valid.
*
* @api
*/
public static function getProtectedStorage()
{
$protected_storage_dir = new Dir(self::$storage_root);
if (!$protected_storage_dir->exists()) {
throw new IOException("The storage folder does not exist : " . self::$storage_root);
}
if (!$protected_storage_dir->isWritable()) {
throw new IOException("The storage folder is not readable and writable : " . self::$storage_root);
}
$results = $protected_storage_dir->listElements();
if (count($results[0]) == 0 && count($results[1]) <= 1) {
if ($protected_storage_dir->isEmpty()) {
$protected_storage_dir->newRandomSubdir();
}
return $protected_storage_dir->getUniqueSubdir();
} else {
throw new IOException("The storage root folder is invalid : it must contain at most just one folder.");
}
}
private static function get_verified_storage()
{
$protected_storage_dir = new Dir(self::$storage_root);
if (!$protected_storage_dir->exists()) {
throw new IOException("La cartella dello storage non esiste : " . self::$storage_root);
}
if (count($protected_storage_dir->listFiles()) > 1) {
throw new IOException("Lo storage non è valido.");
}
if ($protected_storage_dir->isEmpty()) {
$protected_storage_dir->newRandomSubdir();
}
return $protected_storage_dir->getSingleSubdir();
}
