1<?php
 2 
 3namespace Database\Seeders;
 4 
 5use Illuminate\Database\Seeder;
 6use Spatie\Permission\Models\Role;
 7use Spatie\Permission\Models\Permission;
 8use App\Models\User;
 9 
10class PermissionsSeeder extends Seeder
11{
12    public function run(): void
13    {
14        // Reset cached roles and permissions
15        app()[\Spatie\Permission\PermissionRegistrar::class]->forgetCachedPermissions();
16 
17        // Create permissions
18        $permissions = [
19            'users.view', 'users.create', 'users.edit', 'users.delete',
20            'posts.view', 'posts.create', 'posts.edit', 'posts.delete',
21            'settings.view', 'settings.edit',
22        ];
23 
24        foreach ($permissions as $permission) {
25            Permission::firstOrCreate(['name' => $permission, 'guard_name' => 'web']);
26        }
27 
28        // Create roles
29        $admin = Role::firstOrCreate(['name' => 'admin', 'guard_name' => 'web']);
30        $editor = Role::firstOrCreate(['name' => 'editor', 'guard_name' => 'web']);
31        $viewer = Role::firstOrCreate(['name' => 'viewer', 'guard_name' => 'web']);
32 
33        // Assign permissions to roles
34        $admin->syncPermissions(Permission::all());
35        $editor->syncPermissions([
36            'users.view', 'posts.view', 'posts.create', 'posts.edit'
37        ]);
38        $viewer->syncPermissions([
39            'users.view', 'posts.view', 'settings.view'
40        ]);
41 
42        // Assign roles to users
43        User::first()?->assignRole('admin');
44    }
45}

1php artisan db:seed --class=PermissionsSeeder