ldc-supportweb/app/Http/Middleware/IsAdmin.php

<?php

namespace App\Http\Middleware;

use App\Enums\Role;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class IsAdmin
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        if (Auth::user()->role->equals(Role::admin())) {
            return $next($request);
        }
        return redirect()->route('home');
    }
}