function aggregator_form_feed_validate in Drupal 7

Same name and namespace in other branches

1. 4 modules/aggregator.module \aggregator_form_feed_validate()
2. 5 modules/aggregator/aggregator.module \aggregator_form_feed_validate()
3. 6 modules/aggregator/aggregator.admin.inc \aggregator_form_feed_validate()

Form validation handler for aggregator_form_feed().

See also

aggregator_form_feed_submit()

File

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'],
        )));
      }
    }
  }
}