App\Http\Controllers\Front\ArticleController::index PHP Method

    public function index(...$articleSlugs)
    {
        $articleSlug = collect($articleSlugs)->last();
        $article = ArticleRepository::findBySlug($articleSlug);
        if ($article->hasChildren()) {
            return redirect($article->firstChild->fullUrl);
        }
        return view('front.article.index')->with(compact('article'));
    }