public function OpmlFeedAdd::submitForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/aggregator/src/Form/OpmlFeedAdd.php \Drupal\aggregator\Form\OpmlFeedAdd::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

core/modules/aggregator/src/Form/OpmlFeedAdd.php, line 114

Class

OpmlFeedAdd

Imports feeds from OPML.

Namespace

Drupal\aggregator\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  $validators = [
    'file_validate_extensions' => [
      'opml xml',
    ],
  ];
  if ($file = file_save_upload('upload', $validators, FALSE, 0)) {
    $data = file_get_contents($file
      ->getFileUri());
  }
  else {

    // @todo Move this to a fetcher implementation.
    try {
      $response = $this->httpClient
        ->get($form_state
        ->getValue('remote'));
      $data = (string) $response
        ->getBody();
    } catch (RequestException $e) {
      $this
        ->logger('aggregator')
        ->warning('Failed to download OPML file due to "%error".', [
        '%error' => $e
          ->getMessage(),
      ]);
      $this
        ->messenger()
        ->addStatus($this
        ->t('Failed to download OPML file due to "%error".', [
        '%error' => $e
          ->getMessage(),
      ]));
      return;
    }
  }
  $feeds = $this
    ->parseOpml($data);
  if (empty($feeds)) {
    $this
      ->messenger()
      ->addStatus($this
      ->t('No new feed has been added.'));
    return;
  }

  // @todo Move this functionality to a processor.
  foreach ($feeds as $feed) {

    // Ensure URL is valid.
    if (!UrlHelper::isValid($feed['url'], TRUE)) {
      $this
        ->messenger()
        ->addWarning($this
        ->t('The URL %url is invalid.', [
        '%url' => $feed['url'],
      ]));
      continue;
    }

    // Check for duplicate titles or URLs.
    $query = $this->feedStorage
      ->getQuery();
    $condition = $query
      ->orConditionGroup()
      ->condition('title', $feed['title'])
      ->condition('url', $feed['url']);
    $ids = $query
      ->condition($condition)
      ->execute();
    $result = $this->feedStorage
      ->loadMultiple($ids);
    foreach ($result as $old) {
      if (strcasecmp($old
        ->label(), $feed['title']) == 0) {
        $this
          ->messenger()
          ->addWarning($this
          ->t('A feed named %title already exists.', [
          '%title' => $old
            ->label(),
        ]));
        continue 2;
      }
      if (strcasecmp($old
        ->getUrl(), $feed['url']) == 0) {
        $this
          ->messenger()
          ->addWarning($this
          ->t('A feed with the URL %url already exists.', [
          '%url' => $old
            ->getUrl(),
        ]));
        continue 2;
      }
    }
    $new_feed = $this->feedStorage
      ->create([
      'title' => $feed['title'],
      'url' => $feed['url'],
      'refresh' => $form_state
        ->getValue('refresh'),
    ]);
    $new_feed
      ->save();
  }
  $form_state
    ->setRedirect('aggregator.admin_overview');
}