ldc-mesbr-app/app/Http/Middleware/SaveCurrentRoute.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Support\Facades\Auth;

class SaveCurrentRoute
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure                 $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $site = session()->get('site');
        $siteId = session()->get('marques');

        if (!$site) {
            $site = Auth::user()->sites->first();
            session()->put('site', $site);
        }

        $currentLogo = $site->only(['site_logo']);
        session()->put('current_logo', $currentLogo);

        if (!$siteId) {
            $marques = Auth::user()->sites;
            $submarques = $marques->map(function ($marque) {
                return $marque->only(['id', 'site_nom', 'site_id', 'site_logo']);
            });
            session()->put('marques', $submarques);
        }

        return $next($request);
    }
}