Atomcms-edit/app/Actions/UserActions.php

<?php

declare(strict_types=1);

namespace App\Actions;

use App\Models\User;

class UserActions
{
    public function updateUsername(User $user, string $username): void
    {
        $user->update([
            'username' => $username,
        ]);
    }

    public function updateEmail(User $user, string $email): void
    {
        $user->update([
            'mail' => $email,
        ]);
    }

    public function updateMotto(User $user, string $motto): void
    {
        $user->update([
            'motto' => $motto,
        ]);
    }

    public function updateField(User $user, string $field, ?string $value): void
    {
        $user->update([
            $field => $value,
        ]);
    }
}