Page callback: Displays all the items aggregated in a particular category.
$category: The category for which to list all of the aggregated items.
The rendered list of items for the feed.
function aggregator_page_category($category) {
drupal_add_feed('aggregator/rss/' . $category['cid'], variable_get('site_name', 'Drupal') . ' ' . t('aggregator - @title', array(
'@title' => $category['title'],
)));
// It is safe to include the cid in the query because it's loaded from the
// database by aggregator_category_load.
$items = aggregator_feed_items_load('category', $category);
return _aggregator_page_list($items, arg(3));
}