public function ApprovalPollViewForm::save in Advanced Poll 8

Save a user's vote submit function.

Parameters

array $form:

\Drupal\Core\Form\FormStateInterface $form_state:

Overrides PollViewForm::save

File

src/Form/ApprovalPollViewForm.php, line 245

Class

ApprovalPollViewForm

Class ApprovalPollViewForm

Namespace

Drupal\advpoll\Form

Code

public function save(array $form, FormStateInterface $form_state) {
  $choices = $form_state
    ->getValue('choice');

  // Make array from single vote to use the same code.
  if (!is_array($choices)) {
    $choices = [
      $choices => $choices,
    ];
  }
  $storagePollChoice = \Drupal::entityTypeManager()
    ->getStorage('poll_choice');
  foreach ($choices as $index => $choice) {
    if ($choice) {
      if ($index == self::writeInIndex) {

        // Add write-in options if exists.
        $writeInOptions = $this
          ->getWriteInOptions($form_state);
        $pollOptions = $this->poll
          ->getOptions();
        foreach ($writeInOptions as $writeInOption) {

          // Check duplicate.
          $chId = array_search($writeInOption, $pollOptions);
          if (empty($chId)) {

            // Create a new write-in option.
            $pollChoice = $storagePollChoice
              ->create([
              'choice' => $writeInOption,
            ]);
            $pollChoice
              ->set('field_writein', TRUE);
            $pollChoice
              ->save();
            $this->poll
              ->get('choice')
              ->appendItem($pollChoice);
            $this->poll
              ->save();
            $chId = $pollChoice
              ->id();
          }
          $this
            ->saveVote($chId);
        }
      }
      else {

        // Add other options.
        $chId = $index;
        $this
          ->saveVote($chId);
      }
    }
  }
  \Drupal::messenger()
    ->addMessage($this
    ->t('Your vote has been recorded.'));
  if ($this
    ->currentUser()
    ->isAnonymous()) {

    // The vote is recorded so the user gets the result view instead of the
    // voting form when viewing the poll. Saving a value in $_SESSION has the
    // convenient side effect of preventing the user from hitting the page
    // cache. When anonymous voting is allowed, the page cache should only
    // contain the voting form, not the results.
    $_SESSION['poll_vote'][$form_state
      ->getValue('poll')
      ->id()] = $form_state
      ->getValue('choice');
  }

  // In case of an ajax submission, trigger a form rebuild so that we can
  // return an updated form through the ajax callback.
  if ($this
    ->getRequest()->query
    ->get('ajax_form')) {
    $form_state
      ->setRebuild(TRUE);
  }

  // No explicit redirect, so that we stay on the current page, which might
  // be the poll form or another page that is displaying this poll, for
  // example as a block.
}