Form validation handler for aggregator_form_feed().

See also

aggregator_form_feed_submit()

File

drupal-7.x/modules/aggregator/aggregator.admin.inc, line 140

Administration page callbacks for the Aggregator module.

Code

function aggregator_form_feed_validate($form, &$form_state) {
  if ($form_state['values']['op'] == t('Save')) {
    // Ensure URL is valid.
    if (!valid_url($form_state['values']['url'], TRUE)) {
      form_set_error('url', t('The URL %url is invalid. Enter a fully-qualified URL, such as http://www.example.com/feed.xml.', array('%url' => $form_state['values']['url'])));
    }
    // Check for duplicate titles.
    if (isset($form_state['values']['fid'])) {
      $result = db_query("SELECT title, url FROM {aggregator_feed} WHERE (title = :title OR url = :url) AND fid <> :fid", array(':title' => $form_state['values']['title'], ':url' => $form_state['values']['url'], ':fid' => $form_state['values']['fid']));
    }
    else {
      $result = db_query("SELECT title, url FROM {aggregator_feed} WHERE title = :title OR url = :url", array(':title' => $form_state['values']['title'], ':url' => $form_state['values']['url']));
    }
    foreach ($result as $feed) {
      if (strcasecmp($feed->title, $form_state['values']['title']) == 0) {
        form_set_error('title', t('A feed named %feed already exists. Enter a unique title.', array('%feed' => $form_state['values']['title'])));
      }
      if (strcasecmp($feed->url, $form_state['values']['url']) == 0) {
        form_set_error('url', t('A feed with this URL %url already exists. Enter a unique URL.', array('%url' => $form_state['values']['url'])));
      }
    }
  }
}