blogben/src/Service/SluggerService.php

<?php

// src/Service/SluggerService.php

namespace App\Service;

use App\Entity\Article;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\String\Slugger\SluggerInterface;

class SluggerService
{
    public function __construct(
        protected readonly EntityManagerInterface $entityManager,
        protected readonly SluggerInterface $slugger)
    {
    }

    public function generateSlugsForExistingArticles()
    {
        $articles = $this->entityManager->getRepository(Article::class)->findAll();

        foreach ($articles as $article) {
            $slug = $this->slugger->slug($article->getTitle())->lower();
            $existingSlug = $slug;

            // Vérification des conflits
            $count = 1;
            while ($this->entityManager->getRepository(Article::class)->findOneBy(['slug' => $existingSlug])) {
                $existingSlug = $slug . '-' . $count;
                $count++;
            }

            $article->setSlug($existingSlug);
            $this->entityManager->persist($article);
        }

        $this->entityManager->flush();
    }
}