function aggregator_block_view

Implements hook_block_view().

Generates blocks for the latest news items in each category and feed.

File

modules/aggregator/aggregator.module, line 396

Code

function aggregator_block_view($delta = '') {
    if (user_access('access news feeds')) {
        $block = array();
        list($type, $id) = explode('-', $delta);
        $result = FALSE;
        switch ($type) {
            case 'feed':
                if ($feed = db_query('SELECT fid, title, block FROM {aggregator_feed} WHERE block <> 0 AND fid = :fid', array(
                    ':fid' => $id,
                ))->fetchObject()) {
                    $block['subject'] = check_plain($feed->title);
                    $result = db_query_range("SELECT * FROM {aggregator_item} WHERE fid = :fid ORDER BY timestamp DESC, iid DESC", 0, $feed->block, array(
                        ':fid' => $id,
                    ));
                    $read_more = theme('more_link', array(
                        'url' => 'aggregator/sources/' . $feed->fid,
                        'title' => t("View this feed's recent news."),
                    ));
                }
                break;
            case 'category':
                if ($category = db_query('SELECT cid, title, block FROM {aggregator_category} WHERE cid = :cid', array(
                    ':cid' => $id,
                ))->fetchObject()) {
                    $block['subject'] = check_plain($category->title);
                    $result = db_query_range('SELECT i.* FROM {aggregator_category_item} ci LEFT JOIN {aggregator_item} i ON ci.iid = i.iid WHERE ci.cid = :cid ORDER BY i.timestamp DESC, i.iid DESC', 0, $category->block, array(
                        ':cid' => $category->cid,
                    ));
                    $read_more = theme('more_link', array(
                        'url' => 'aggregator/categories/' . $category->cid,
                        'title' => t("View this category's recent news."),
                    ));
                }
                break;
        }
        $items = array();
        if (!empty($result)) {
            foreach ($result as $item) {
                $items[] = theme('aggregator_block_item', array(
                    'item' => $item,
                ));
            }
        }
        // Only display the block if there are items to show.
        if (count($items) > 0) {
            $block['content'] = theme('item_list', array(
                'items' => $items,
            )) . $read_more;
        }
        return $block;
    }
}

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