function aggregator_page_categories

Page callback: Displays all the categories used by the Aggregator module.

Return value

string An HTML formatted string.

See also

aggregator_menu()

File

modules/aggregator/aggregator.pages.inc, line 379

Code

function aggregator_page_categories() {
    $result = db_query('SELECT c.cid, c.title, c.description FROM {aggregator_category} c LEFT JOIN {aggregator_category_item} ci ON c.cid = ci.cid LEFT JOIN {aggregator_item} i ON ci.iid = i.iid GROUP BY c.cid, c.title, c.description');
    $output = '';
    foreach ($result as $category) {
        if (variable_get('aggregator_summary_items', 3)) {
            $summary_items = array();
            $items = db_query_range('SELECT i.title, i.timestamp, i.link, f.title as feed_title, f.link as feed_link FROM {aggregator_category_item} ci LEFT JOIN {aggregator_item} i ON i.iid = ci.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE ci.cid = :cid ORDER BY i.timestamp DESC', 0, variable_get('aggregator_summary_items', 3), array(
                ':cid' => $category->cid,
            ));
            foreach ($items as $item) {
                $summary_items[] = theme('aggregator_summary_item', array(
                    'item' => $item,
                ));
            }
        }
        $category->url = url('aggregator/categories/' . $category->cid);
        $output .= theme('aggregator_summary_items', array(
            'summary_items' => $summary_items,
            'source' => $category,
        ));
    }
    return theme('aggregator_wrapper', array(
        'content' => $output,
    ));
}