FeatureManager.php

FeatureManager.php

/*
* License MIT
*/ 
<?php

namespace App\Service;

use Psr\Log\LoggerInterface;
use Symfony\Component\Security\Core\Security;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;

class FeatureManager extends AbstractExtension
{

    private const FEATURES = [
        "super-admin-feature" => 'ROLE_SUPER_ADMIN',
        "fancy-feature" => 'isTestUser',
        "fancy-feature-2" => true, // or false
    ];

    public function __construct(
        private Security $security, 
        private LoggerInterface $logger,
    ){}

    public function getFunctions()
    {
        return [new TwigFunction('haveFeature', [$this, 'have'])];
    }

    public function have(string $feature, $yes = true, $no = false)
    {   
        $target = self::FEATURES[$feature] ?? false;
        if (is_bool($target)) return $target ? $yes : $no;
        if (is_string($target) && method_exists($this, $target)) return $this->$target() ? $yes : $no;
        if (is_string($target)) return $this->security->isGranted($role) ? $yes : $no;

        $this->logger->info("Feature $feature is DISABLED.");
        return $no;
    }

    private function isTestUser() {
        return true;
    }
}