update

web/app/Models/Customer.php

@@ -33,11 +33,6 @@ class Customer extends Model
         });
 
         static::deleting(function ($model) {
-            $findWebistes = Website::where('customer_id', $model->id)->count();
-            if ($findWebistes > 0) {
-                throw new ('Customer has websites, please delete them first.');
-                return false;
-            }
             event(new ModelCustomerDeleting($model));
         });
 

web/app/Policies/CustomerPolicy.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Customer;
+use App\Models\User;
+use App\Models\Website;
+use Illuminate\Auth\Access\Response;
+
+class CustomerPolicy
+{
+    /**
+     * Determine whether the user can view any models.
+     */
+    public function viewAny(User $user): bool
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     */
+    public function view(User $user, Customer $customer): bool
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can create models.
+     */
+    public function create(User $user): bool
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, Customer $customer): bool
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can delete the model.
+     */
+    public function delete(User $user, Customer $customer): bool
+    {
+        $findWebsites = Website::where('customer_id', $customer->id)->count();
+        if ($findWebsites > 0) {
+            return Response::deny('Customer has websites, please delete them first.');
+        }
+        return Response::allow();
+    }
+
+    /**
+     * Determine whether the user can restore the model.
+     */
+    public function restore(User $user, Customer $customer): bool
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can permanently delete the model.
+     */
+    public function forceDelete(User $user, Customer $customer): bool
+    {
+        //
+    }
+}

web/app/Providers/AppServiceProvider.php

@@ -10,8 +10,10 @@ use App\Listeners\ModelCustomerCreatedListener;
 use App\Listeners\ModelCustomerDeletingListener;
 use App\Listeners\ModelWebsiteCreatedListener;
 use App\Listeners\ModelWebsiteDeletingListener;
+use App\Policies\CustomerPolicy;
 use Filament\Facades\Filament;
 use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\Gate;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
@@ -30,6 +32,8 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
 
+        Gate::define('delete-customer', [CustomerPolicy::class, 'delete']);
+
         Filament::serving(function () {
             // Using Vite
             Filament::registerViteTheme('resources/css/app.css');