How to register without a password in Opencart?

Question

opencart

There is the following task. Registration in opencart without password. The user indicates his mail, where the login data will be sent (in the future he will be able to change the password)

Answer 1

Do not accept a password from the user in the controller - generate it yourself and send it to the user...
catalog/controller/account/register.php
Rewrite

if (isset($this->request->post['password'])) {
      $data['password'] = $this->request->post['password'];
    } else {
      $data['password'] = '';
    }

to something like And then you can send a registration letter ...
$data['password'] = вами сгенерированный пароль