public function WebformInvitationGenerateForm::submitForm in Webform Invitation 8

Same name and namespace in other branches

1. 2.0.x src/Form/WebformInvitationGenerateForm.php \Drupal\webform_invitation\Form\WebformInvitationGenerateForm::submitForm()

Form submission handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormInterface::submitForm

File

src/Form/WebformInvitationGenerateForm.php, line 142

Class

WebformInvitationGenerateForm

Provides a form to generate invitation codes.

Namespace

Drupal\webform_invitation\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {

  /** @var \Drupal\webform\Entity\Webform $webform */
  $webform = $form_state
    ->getValue('webform');
  $webform_id = $webform
    ->id();
  $number = $form_state
    ->getValue('number');
  $type = $form_state
    ->getValue('type');
  $length = $form_state
    ->getValue('length');
  $chars = $form_state
    ->getValue('chars');

  // Prepare character set for custom code.
  $set = '';
  if (!empty($chars[1])) {
    $set .= 'abcdefghijklmnopqrstuvwxyz';
  }
  if (!empty($chars[2])) {
    $set .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  }
  if (!empty($chars[3])) {
    $set .= '0123456789';
  }
  if (!empty($chars[4])) {
    $set .= '.,:;-_!?';
  }
  if (!empty($chars[5])) {
    $set .= '#+*=$%&|';
  }
  $i = $l = 1;

  // Process all requested tokens.
  while ($i <= $number && $l < $number * 10) {
    $code = '';

    // Code generation.
    switch ($type) {
      case 'md5':
        $code = md5(microtime(1) * rand());
        break;
      case 'custom':
        for ($j = 1; $j <= $length; $j++) {
          $code .= $set[rand(0, strlen($set) - 1)];
        }
        break;
    }
    try {

      // Insert code to DB.
      $this->database
        ->insert('webform_invitation_codes')
        ->fields([
        'webform' => $webform_id,
        'code' => $code,
        'created' => $this->time
          ->getRequestTime(),
      ])
        ->execute();
      $i++;
    } catch (\Exception $e) {

      // The generated code is already in DB, make another one.
    }
    $l++;
  }

  // Output number of generated codes.
  $codes_count = $i - 1;
  if ($l >= $number * 10) {
    $this
      ->messenger()
      ->addMessage($this
      ->t('Due to unique constraint, only @ccount codes have been generated.', [
      '@ccount' => $codes_count,
    ]), 'error');
  }
  elseif ($codes_count == 1) {
    $this
      ->messenger()
      ->addMessage($this
      ->t('A single code has been generated.'));
  }
  else {
    $this
      ->messenger()
      ->addMessage($this
      ->t('A total of @ccount codes has been generated.', [
      '@ccount' => $codes_count,
    ]));
  }

  // Redirect user to list of codes.
  $form_state
    ->setRedirect('entity.webform.invitation_codes', [
    'webform' => $webform_id,
  ]);
}