Source of file Render.php

<?php

/* This file is part of NextDom.

*

* NextDom 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.

*

* NextDom 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 NextDom. If not, see <http://www.gnu.org/licenses/>.

*/

namespace NextDom\Helpers;

use NextDom\Managers\ConfigManager;

use Symfony\Bridge\Twig\Extension\TranslationExtension;

use Symfony\Component\Translation\Loader\YamlFileLoader;

use Symfony\Component\Translation\Translator;

use Twig\Extensions\DateExtension;

use Twig\Extensions\I18nExtension;

use Twig\Extensions\TextExtension;

/**

 * Class Render

 * @package NextDom\Helpers

 */

class Render

{

    const DEFAULT_LANGUAGE = 'fr';

    /**

     * @var Render

     */

    private static $instance;

    /**

     * @var Translator

     */

    private $translator;

    /**

     * @var \Twig\Environment

     */

    private $twig;

    private $twigLoader;

    /**

     * Render constructor.

     * @throws \Exception

     */

    private function __construct()

    {

        $language = ConfigManager::byKey('language', 'core', 'fr_FR');

        $this->initTranslation($language);

        $this->initRenderer();

    }

    /**

     * @param string $language

     */

    private function initTranslation(string $language)

    {

        $this->translator = new Translator($language, null, NEXTDOM_DATA . '/cache/i18n');

        $this->translator->addLoader('yaml', new YamlFileLoader());

        $filename = NEXTDOM_ROOT . '/translations/' . $language . '.yml';

        if (file_exists($filename)) {

            $this->translator->addResource('yaml', $filename, $language);

        }

    }

    /**

     *

     */

    private function initRenderer()

    {

        $developerMode = AuthentificationHelper::isInDeveloperMode();

        $loader = new \Twig\Loader\FilesystemLoader(realpath('views'));

        $this->twigLoader = $loader;

        $twigConfig = [

            'cache' => NEXTDOM_DATA . '/cache/twig',

            'debug' => $developerMode,

        ];

        if ($developerMode) {

            $twigConfig['auto_reload'] = true;

        }

        $this->twig = new \Twig\Environment($loader, $twigConfig);

        $this->twig->addExtension(new I18nExtension());

        $this->twig->addExtension(new DateExtension($this->translator));

        $this->twig->addExtension(new TextExtension());

        $this->twig->addExtension(new TranslationExtension($this->translator));

        if ($developerMode) {

            $this->twig->addExtension(new \Twig\Extension\DebugExtension());

        }

    }

    /**

     * Get render instance

     *

     * @return Render

     * @throws \Exception

     */

    public static function getInstance(): Render

    {

        if (self::$instance === null) {

            self::$instance = new self();

        }

        return self::$instance;

    }

    /**

     * @param string $sentence

     * @return string

     */

    public function getTranslation(string $sentence): string

    {

        if (self::$instance !== null) {

            return $this->translator->trans($sentence);

        }

        return $sentence;

    }

    /**

     * @param string $view

     * @param array $data

     */

    public function show($view, $data = [])

    {

        echo $this->get($view, $data);

    }

    /**

     * @param       $view

     * @param array $data

     * @return string|null

     */

    public function get($view, array $data = [])

    {

        try {

            return $this->twig->render($view, $data);

        } catch (\Throwable $e) {

            echo $e->getMessage();

        }

        return null;

    }

    /**

     * @param string $url

     * @return string

     */

    public function getCssHtmlTag(string $url): string

    {

        return '<link href="' . $url . '" rel="stylesheet"/>';

    }

}