Acme\App\Infrastructure\TemplateEngine\Twig\Extension\Md2HtmlExtension

Complexity

Total Complexity

7

Size/Duplication

Total Lines	70
Duplicated Lines	0 %

Coupling/Cohesion

Components	2
Dependencies	3

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	getFilters()	0	6	1
A	getFunctions()	0	6	1
A	markdownToHtml()	0	4	1
A	getLocales()	0	13	3

<?php

declare(strict_types=1);

/*
 * This file is part of the Explicit Architecture POC,
 * which is created on top of the Symfony Demo application.
 *
 * (c) Herberto Graça <herberto.graca@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Acme\App\Infrastructure\TemplateEngine\Twig\Extension;

use Acme\PhpExtension\String\Markdown;
use Symfony\Component\Intl\Intl;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;

/**
 * This Twig extension adds a new 'md2html' filter to easily transform Markdown
 * contents into HTML contents inside Twig templates.
 *
 * See https://symfony.com/doc/current/cookbook/templating/twig_extension.html
 *
 * @author Ryan Weaver <weaverryan@gmail.com>
 * @author Javier Eguiluz <javier.eguiluz@gmail.com>
 * @author Julien ITARD <julienitard@gmail.com>
 */
class Md2HtmlExtension extends AbstractExtension
{
    /**
     * @var Markdown
     */
    private $parser;

    /**
     * @var array
     */
    private $localeCodes;

    /**
     * @var array
     */
    private $locales;

    public function __construct(Markdown $parser, string $locales)
    {
        $this->parser = $parser;
        $this->localeCodes = explode('|', $locales);
    }

    /**
     * {@inheritdoc}
     */
    public function getFilters(): array
    {
        return [
            new TwigFilter('md2html', [$this, 'markdownToHtml'], ['is_safe' => ['html']]),
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function getFunctions(): array
    {
        return [
            new TwigFunction('locales', [$this, 'getLocales']),
        ];
    }

    /**
     * Transforms the given Markdown content into HTML content.
     */
    public function markdownToHtml(string $content): string
    {
        return $this->parser->toHtml($content);
    }

    /**
     * Takes the list of codes of the locales (languages) enabled in the
     * application and returns an array with the name of each locale written
     * in its own language (e.g. English, Français, Español, etc.).
     */
    public function getLocales(): array
    {
        if ($this->locales !== null) {
            return $this->locales;
        }

        $this->locales = [];
        foreach ($this->localeCodes as $localeCode) {
            $this->locales[] = ['code' => $localeCode, 'name' => Intl::getLocaleBundle()->getLocaleName($localeCode, $localeCode)];
        }

        return $this->locales;
    }
}