<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2015 (original work) Open Assessment Technologies SA;
 *
 *
 */

namespace oat\tao\model\requiredAction;

/**
 * Interface RequiredActionServiceInterface
 *
 * RequiredActionServiceInterface is the interface of service for work with required actions
 * @see oat\tao\model\requiredAction\RequiredActionInterface
 *
 * @package oat\tao\model\requiredAction
 * @author Aleh Hutnilau <hutnikau@1pt.com>
 */
interface RequiredActionServiceInterface
{
    const CONFIG_ID = 'tao/requiredAction';
    const OPTION_REQUIRED_ACTIONS = 'required_actions';

    /**
     * Get list of all required actions
     * @return RequiredAction[] array of required action instances
     */
    public function getRequiredActions();

    /**
     * Get first action which should be executed (one of action's rules return true).
     * @return mixed
     */
    public function getActionToBePerformed();
}