<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM 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.
 *
 * EspoCRM 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 EspoCRM. If not, see http://www.gnu.org/licenses/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core;

abstract class InjectableService implements \Espo\Core\Interfaces\InjectableService
{
    protected $injections = [];

    public function inject(string $name, object $object)
    {
        $this->injections[$name] = $object;
    }

    public function __call($methodName, $args)
    {
        if (strpos($methodName, 'get') === 0) {
            $injectionName = lcfirst(substr($methodName, 3));
            if (isset($this->injections[$injectionName])) {
                return $this->getInjection($injectionName);
            }
        }
        throw new \BadMethodCallException('Method ' . $methodName . ' does not exist');
    }

    protected function getInjection(string $name) : object
    {
        $object = $this->injections[$name] ?? null;
        if (!$object) throw new \Exception("Injection {$name} is not set.");
        return $object;
    }
}