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<?php

/**
 * Copyright 2017 MICRORISC s.r.o.
 * Copyright 2017 IQRF Tech s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare(strict_types=1);

namespace App\Presenters;

use GettextTranslator\Gettext;
use Nette\Application\UI\Presenter;

/**
 * Base presenter for all application presenters.
 */
abstract class BasePresenter extends Presenter {

    /**
     * @persistent
     * @var string Language
     */
    public $lang;

    /** @var Gettext */
    protected $translator;

    /**
     * Only for administrators
     */
    public function onlyForAdmins() {
        if (!$this->user->isLoggedIn()) {
            $this->redirect(':Sign:in');
        }
    }

    /**
     * Inject translator service
     * @param Gettext
     */
    public function injectTranslator(Gettext $translator) {
        $this->translator = $translator;
    }

    public function createTemplate($class = null) {
        $template = parent::createTemplate($class);
        // if not set, the default language will be used
        if (!isset($this->lang)) {
            $this->lang = $this->translator->getLang();
        } else {
            $this->translator->setLang($this->lang);
        }
        $template->setTranslator($this->translator);
        return $template;
    }

}