/**
* {@inheritdoc}
*/
public function process(OrderInterface $order, array $form, FormStateInterface $form_state)
{
$user = \Drupal::currentUser();
$cart_config = \Drupal::config('uc_cart.settings');
$pane = $form_state->getValue(['panes', 'customer']);
$order->setEmail($pane['primary_email']);
if ($user->isAuthenticated()) {
$order->setUserId($user->id());
} else {
// Check if the email address is already taken.
$mail_taken = (bool) \Drupal::entityQuery('user')->condition('mail', $pane['primary_email'])->range(0, 1)->count()->execute();
if ($cart_config->get('email_validation') && $pane['primary_email'] !== $pane['primary_email_confirm']) {
$form_state->setErrorByName('panes][customer][primary_email_confirm', t('The e-mail address did not match.'));
}
// Invalidate if an account already exists for this e-mail address, and the user is not logged into that account
if (!$cart_config->get('mail_existing') && !empty($pane['primary_email']) && $mail_taken) {
$form_state->setErrorByName('panes][customer][primary_email', t('An account already exists for your e-mail address. You will either need to login with this e-mail address or use a different e-mail address.'));
}
// If new users can specify names or passwords then...
if ($cart_config->get('new_account_name') || $cart_config->get('new_account_password')) {
// Skip if an account already exists for this e-mail address.
if ($cart_config->get('mail_existing') && $mail_taken) {
drupal_set_message(t('An account already exists for your e-mail address. The new account details you entered will be disregarded.'));
} else {
// Validate the username.
if ($cart_config->get('new_account_name') && !empty($pane['new_account']['name'])) {
$message = user_validate_name($pane['new_account']['name']);
$name_taken = (bool) \Drupal::entityQuery('user')->condition('name', $pane['new_account']['name'])->range(0, 1)->count()->execute();
if (!empty($message)) {
$form_state->setErrorByName('panes][customer][new_account][name', $message);
} elseif ($name_taken) {
$form_state->setErrorByName('panes][customer][new_account][name', t('The username %name is already taken. Please enter a different name or leave the field blank for your username to be your e-mail address.', array('%name' => $pane['new_account']['name'])));
} else {
$order->data->new_user_name = $pane['new_account']['name'];
}
}
// Validate the password.
if ($cart_config->get('new_account_password')) {
if (strcmp($pane['new_account']['pass'], $pane['new_account']['pass_confirm'])) {
$form_state->setErrorByName('panes][customer][new_account][pass_confirm', t('The passwords you entered did not match. Please try again.'));
}
if (!empty($pane['new_account']['pass'])) {
$order->data->new_user_hash = \Drupal::service('password')->hash(trim($pane['new_account']['pass']));
}
}
}
}
}
return TRUE;
}
