nihonbuzz-academy/database/seeders/RoleSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;
use App\Models\Role;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Carbon\Carbon;

class RoleSeeder extends Seeder
{
    /**
     * Run the database seeds.
     */
    public function run(): void
    {
        // Reset cached roles and permissions
        app()[\Spatie\Permission\PermissionRegistrar::class]->forgetCachedPermissions();

        $roles = [
            'super_admin',
            'admin',
            'editor',
            'treasurer',
            'teacher',
            'student',
            'class_leader',
            'alumni',
        ];

        $now = Carbon::now();

        foreach ($roles as $roleName) {
            $role = Role::where('name', $roleName)->where('guard_name', 'web')->first();
            if (!$role) {
                Role::create([
                    'name' => $roleName,
                    'guard_name' => 'web',
                ]);
            }
        }
    }
}