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1. drupal
   1. drupal7

Implementation of hook_block_view().

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

Code

modules/aggregator/aggregator.module, line 346

<?php
function aggregator_block_view($delta = '') {
  if (user_access('access news feeds')) {
    $block = array();
    list($type, $id) = explode('-', $delta);
    switch ($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", array(':fid' => $id), 0, $feed->block);
          $read_more = theme('more_link', url('aggregator/sources/' . $feed->fid), 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', array(':cid' => $category->cid), 0, $category->block);
          $read_more = theme('more_link', url('aggregator/categories/' . $category->cid), t("View this category's recent news."));
        }
        break;
    }
    $items = array();
    foreach ($result as $item) {
      $items[] = theme('aggregator_block_item', $item);
    }

    // Only display the block if there are items to show.
    if (count($items) > 0) {
      $block['content'] = theme('item_list', $items) . $read_more;
    }
    return $block;
  }
}
?>