<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*/

namespace OCP\User\Backend;

use OC\User\Backend;
use OCP\IUserBackend;
use OCP\UserInterface;

abstract class AbstractBackend implements IUserBackend, UserInterface {
	public function implementsActions($actions): bool {
		$implements = 0;

		if ($this instanceof ICreateUserBackend) {
			$implements |= Backend::CREATE_USER;
		}
		if ($this instanceof ISetPasswordBackend) {
			$implements |= Backend::SET_PASSWORD;
		}
		if ($this instanceof ICheckPasswordBackend) {
			$implements |= Backend::CHECK_PASSWORD;
		}
		if ($this instanceof IGetHomeBackend) {
			$implements |= Backend::GET_HOME;
		}
		if ($this instanceof IGetDisplayNameBackend) {
			$implements |= Backend::GET_DISPLAYNAME;
		}
		if ($this instanceof ISetDisplayNameBackend) {
			$implements |= Backend::SET_DISPLAYNAME;
		}
		if ($this instanceof IProvideAvatarBackend) {
			$implements |= Backend::PROVIDE_AVATAR;
		}
		if ($this instanceof ICountUsersBackend) {
			$implements |= Backend::COUNT_USERS;
		}

		return (bool)($actions & $implements);
	}
}

Add abstract bakend to still be backwards compatible with the old logic
Add abstract bakend to still be backwards compatible with the old logic

Signed-off-by: Roeland Jago Douma <982d370f7dc34a05b4abe8788f899578d515262d@famdouma.nl>
