besttechfrom.eu/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Gate;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        //
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {
        // Product-related Gates
        Gate::define('create-product', function ($user) {
            return $user->hasAnyRole(['user', 'moderator', 'admin']);
        });

        Gate::define('edit-product', function ($user, $product) {
            return $user->id === $product->user_id || $user->hasAnyRole(['moderator', 'admin']);
        });

        Gate::define('delete-product', function ($user, $product) {
            return $user->id === $product->user_id || $user->hasAnyRole(['moderator', 'admin']);
        });

        Gate::define('approve-product', function ($user) {
            return $user->hasAnyRole(['moderator', 'admin']);
        });

        Gate::define('reject-product', function ($user) {
            return $user->hasAnyRole(['moderator', 'admin']);
        });

        // Comment-related Gates
        Gate::define('delete-comment', function ($user, $comment) {
            return $user->id === $comment->user_id || $user->hasAnyRole(['moderator', 'admin']);
        });

        // User management Gates
        Gate::define('manage-users', function ($user) {
            return $user->isAdmin();
        });

        Gate::define('manage-roles', function ($user) {
            return $user->isAdmin();
        });

        Gate::define('manage-settings', function ($user) {
            return $user->isAdmin();
        });

        // Admin check
        Gate::before(function ($user, $ability) {
            if ($user->isAdmin()) {
                return true;
            }
        });
    }
}