function EmailExampleGetFormPage::submitForm

Overrides FormInterface::submitForm

File

modules/email_example/src/Form/EmailExampleGetFormPage.php, line 113

Class

EmailExampleGetFormPage

File test form class.

Namespace

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_values = $form_state->getValues();
    // All system mails need to specify the module and template key (mirrored
    // from hook_mail()) that the message they want to send comes from.
    $module = 'email_example';
    $key = 'contact_message';
    // Specify 'to' and 'from' addresses.
    $to = $form_values['email'];
    $from = $this->config('system.site')
        ->get('mail');
    // "params" loads in additional context for email content completion in
    // hook_mail(). In this case, we want to pass in the values the user entered
    // into the form, which include the message body in $form_values['message'].
    $params = $form_values;
    // The language of the e-mail. This will one of three values:
    // - $account->getPreferredLangcode(): Used for sending mail to a particular
    //   website user, so that the mail appears in their preferred language.
    // - \Drupal::currentUser()->getPreferredLangcode(): Used when sending a
    //   mail back to the user currently viewing the site. This will send it in
    //   the language they're currently using.
    // - \Drupal::languageManager()->getDefaultLanguage()->getId: Used when
    //   sending mail to a pre-existing, 'neutral' address, such as the system
    //   e-mail address, or when you're unsure of the language preferences of
    //   the intended recipient.
    //
    // Since in our case, we are sending a message to a random e-mail address
    // that is not necessarily tied to a user account, we will use the site's
    // default language.
    $language_code = $this->languageManager
        ->getDefaultLanguage()
        ->getId();
    // Whether or not to automatically send the mail when we call mail() on the
    // mail manager. This defaults to TRUE, and is normally what you want unless
    // you need to do additional processing before the mail manager sends the
    // message.
    $send_now = TRUE;
    // Send the mail, and check for success. Note that this does not guarantee
    // message delivery; only that there were no PHP-related issues encountered
    // while sending.
    $result = $this->mailManager
        ->mail($module, $key, $to, $language_code, $params, $from, $send_now);
    if ($result['result'] == TRUE) {
        $this->messenger()
            ->addMessage($this->t('Your message has been sent.'));
    }
    else {
        $this->messenger()
            ->addMessage($this->t('There was a problem sending your message and it was not sent.'), 'error');
    }
}