ldc-com-app-bo/app/Providers/AuthServiceProvider.php

<?php

namespace App\Providers;

use App\Models\Directory;
use App\Models\User;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
use Illuminate\Support\Facades\Gate;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * Register any authentication / authorization services.
     *
     * @return void
     */
    public function boot()
    {
        $this->registerPolicies();

        // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassBeforeLastUsed
        Gate::define('edit', function (User $user, Directory $directory) {
            return !$directory->is_system;
        });
        // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassBeforeLastUsed
        Gate::define('delete', function (User $user, Directory $directory) {
            return !$directory->is_system;
        });
    }
}