<?php
// This file is part of Level Up XP.
//
// Level Up XP 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, either version 3 of the License, or
// (at your option) any later version.
//
// Level Up XP 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 Level Up XP.  If not, see <https://www.gnu.org/licenses/>.
//
// https://levelup.plus

/**
 * Level up state store observer.
 *
 * @package    block_xp
 * @copyright  2020 Frédéric Massart
 * @author     Frédéric Massart <fred@branchup.tech>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace block_xp\local\observer;

use block_xp\local\xp\level;
use block_xp\local\xp\state_store;

/**
 * Level up state store observer.
 *
 * @package    block_xp
 * @copyright  2020 Frédéric Massart
 * @author     Frédéric Massart <fred@branchup.tech>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
interface level_up_state_store_observer {

    /**
     * The recipient leveled up.
     *
     * @param state_store $store The store.
     * @param int $id The recipient.
     * @param level $beforelevel The level before.
     * @param level $afterlevel The level after.
     * @return void
     */
    public function leveled_up(state_store $store, $id, level $beforelevel, level $afterlevel);

}
