ldc-crm/app/Http/Controllers/BrandController.php

<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use App\Http\Requests\ManageBrandRequest;
use App\Models\Brand;

class BrandController extends Controller
{
    public function index()
    {
        $brands = Brand::all();
        return view('brands.index', compact('brands'));
    }

    public function manage(ManageBrandRequest $request, Brand $brand)
    {
        if ($request->isMethod('post')) {
            if (!$brand) {
                $brand = new Brand($request->validated());
            } else {
                $brand->fill($request->validated());
            }
            $brand->save();
            return redirect()->route('brands')->with('success', trans('Modifications enregistrées !'));
        }

        return view('brands.manage', compact('brand'));
    }
}