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   1. drupal6
   2. drupal7

Validate aggregator_form_feed form submissions.

Code

modules/aggregator/aggregator.admin.inc, line 112

<?php
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. Please 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 = '%s' OR url = '%s') AND fid <> %d", $form_state['values']['title'], $form_state['values']['url'], $form_state['values']['fid']);
    }
    else {
      $result = db_query("SELECT title, url FROM {aggregator_feed} WHERE title = '%s' OR url = '%s'", $form_state['values']['title'], $form_state['values']['url']);
    }
    while ($feed = db_fetch_object($result)) {
      if (strcasecmp($feed->title, $form_state['values']['title']) == 0) {
        form_set_error('title', t('A feed named %feed already exists. Please 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. Please enter a unique URL.', array('%url' => $form_state['values']['url'])));
      }
    }
  }
}
?>