/**
* {@inheritdoc}
*/
public function getCacheTags()
{
$cache_tags = parent::getCacheTags();
$feed = $this->feedStorage->load($this->configuration['feed']);
$cache_tags = NestedArray::mergeDeep($cache_tags, $feed->getCacheTag());
return $cache_tags;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
$validators = array('file_validate_extensions' => array('opml xml'));
if ($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".', array('%error' => $e->getMessage()));
drupal_set_message($this->t('Failed to download OPML file due to "%error".', array('%error' => $e->getMessage())));
return;
}
}
$feeds = $this->parseOpml($data);
if (empty($feeds)) {
drupal_set_message($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)) {
drupal_set_message($this->t('The URL %url is invalid.', array('%url' => $feed['url'])), 'warning');
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(), $feed['title']) == 0) {
drupal_set_message($this->t('A feed named %title already exists.', array('%title' => $old->label())), 'warning');
continue 2;
}
if (strcasecmp($old->getUrl(), $feed['url']) == 0) {
drupal_set_message($this->t('A feed with the URL %url already exists.', array('%url' => $old->getUrl())), 'warning');
continue 2;
}
}
$new_feed = $this->feedStorage->create(array('title' => $feed['title'], 'url' => $feed['url'], 'refresh' => $form_state->getValue('refresh')));
$new_feed->save();
}
$form_state->setRedirect('aggregator.admin_overview');
}
/**
* {@inheritdoc}
*/
public function getCacheTags()
{
$cache_tags = parent::getCacheTags();
$feed = $this->feedStorage->load($this->configuration['feed']);
return Cache::mergeTags($cache_tags, $feed->getCacheTags());
}