<?php

class StorageAclBase {

	static function buildInstance($idZasob, $conf = []) {
		static $_cache;
		if (!$_cache) $_cache = array();
		if (array_key_exists($idZasob, $_cache)) {
			return $_cache[$idZasob];
		}

		if (empty($conf)) throw new Exception("Brak danych konfiguracyjnych do obiektu StorageAcl nr {$idZasob}");
		DBG::log($conf, 'array', 'AntAclBase::buildInstance $conf');
		if (empty($conf['name'])) throw new Exception("Błędne dane konfiguracyjne do obiektu StorageAcl nr {$idZasob}: brak nazwy");

		$className = "Schema_{$conf['name']}StorageAcl";
		Lib::loadClass($className);
		$acl = new $className($idZasob);
		$acl->_zasobID = $idZasob;
		$acl->_name = $conf['name'];
		$acl->_rootTableName = $conf['_rootTableName'];
		$acl->_db = $conf['idDatabase'];
		$acl->_namespace = $conf['namespace'];
		$acl->_rootNamespace = str_replace('__x3A__', '/', $conf['nsPrefix']);
		$acl->_fields = $conf['field']; // TODO: lazyLoading - use getFields() in all functions - TODO: use ACL::getObjectFields
		$acl->_primaryKey = (!empty($conf['primaryKey'])) ? $conf['primaryKey'] : 'ID'; // $conf['primaryKey'];
		$acl->_hasWriteGroupField = $conf['hasWriteGroupField'];
		$acl->_hasReadGroupField = $conf['hasReadGroupField'];
		$acl->_hasOwnerField = $conf['hasOwnerField'];

		$_cache[$idZasob] = $acl;
		return $_cache[$idZasob];
	}

}