/**
     * Run the tool
     */
    function run_tool()
    {
        // Define some vars that we'll need
        $start = request_var('start', 0);
        $limit = 100;
        // Create topic if it does not exist?
        $create_topic = true;
        titania::_include('functions_posting', 'phpbb_posting');
        titania::add_lang('contributions');
        $types = array();
        foreach (titania_types::$types as $id => $class) {
            if ($class->forum_robot && $class->forum_database) {
                $types[] = $id;
            }
        }
        if (!sizeof($types)) {
            trigger_back('UPDATE_RELEASE_TOPICS_COMPLETE');
        }
        $sql = 'SELECT COUNT(contrib_id) AS cnt FROM ' . TITANIA_CONTRIBS_TABLE . '
			WHERE ' . phpbb::$db->sql_in_set('contrib_status', array(TITANIA_CONTRIB_APPROVED, TITANIA_CONTRIB_DOWNLOAD_DISABLED)) . '
				AND ' . phpbb::$db->sql_in_set('contrib_type', $types);
        phpbb::$db->sql_query($sql);
        $total = phpbb::$db->sql_fetchfield('cnt');
        phpbb::$db->sql_freeresult();
        // Grab our batch
        $sql_ary = array('SELECT' => 'c.contrib_id, c.contrib_user_id, c.contrib_type, c.contrib_name, c.contrib_name_clean, c.contrib_desc, c.contrib_desc_uid, c.contrib_release_topic_id,
				t.topic_first_post_id,
				u.user_id, u.username, u.username_clean, u.user_colour', 'FROM' => array(TITANIA_CONTRIBS_TABLE => 'c', USERS_TABLE => 'u'), 'LEFT_JOIN' => array(array('FROM' => array(TOPICS_TABLE => 't'), 'ON' => 't.topic_id = c.contrib_release_topic_id')), 'GROUP_BY' => 'c.contrib_id', 'WHERE' => phpbb::$db->sql_in_set('c.contrib_status', array(TITANIA_CONTRIB_APPROVED, TITANIA_CONTRIB_DOWNLOAD_DISABLED)) . '
				AND u.user_id = c.contrib_user_id
				AND ' . phpbb::$db->sql_in_set('contrib_type', $types), 'ORDER_BY' => 'c.contrib_id DESC');
        $sql = phpbb::$db->sql_build_query('SELECT', $sql_ary);
        $result = phpbb::$db->sql_query_limit($sql, $limit, $start);
        while ($row = phpbb::$db->sql_fetchrow($result)) {
            // Grab the revisions
            $revisions = array();
            $sql = 'SELECT r.revision_id, r.attachment_id, r.revision_version, a.real_filename, a.filesize
				FROM ' . TITANIA_REVISIONS_TABLE . ' r, ' . TITANIA_ATTACHMENTS_TABLE . ' a
				WHERE r.contrib_id = ' . $row['contrib_id'] . '
					AND r.revision_status = ' . TITANIA_REVISION_APPROVED . '
					AND a.attachment_id = r.attachment_id';
            $rev_result = phpbb::$db->sql_query($sql);
            while ($rev_row = phpbb::$db->sql_fetchrow($rev_result)) {
                $revisions[$rev_row['revision_version']] = $rev_row;
            }
            phpbb::$db->sql_freeresult($rev_result);
            // Sort the revisions by their version, put the newest one in $revision
            uksort($revisions, 'reverse_version_compare');
            if (!sizeof($revisions)) {
                continue;
            }
            $revision = array_shift($revisions);
            users_overlord::$users[$row['user_id']] = $row;
            $contrib = new titania_contribution();
            $contrib->__set_array($row);
            $contrib->download = $row;
            // Update the release topic
            $contrib->update_release_topic();
        }
        phpbb::$db->sql_freeresult($result);
        if ($start + $limit >= $total) {
            trigger_back('UPDATE_RELEASE_TOPICS_COMPLETE');
        } else {
            meta_refresh(0, titania_url::build_url('manage/administration', array('t' => 'update_release_topics', 'start' => $start + $limit, 'submit' => 1, 'hash' => generate_link_hash('manage'))));
            trigger_error(phpbb::$user->lang('UPDATE_RELEASE_TOPICS_PROGRESS', $start + $limit, $total));
        }
    }
 /**
  * Update contrib release topics.
  *
  * @param array $row	Contrib data array
  */
 protected function update_contrib(array $row)
 {
     \users_overlord::$users[$row['user_id']] = $row;
     $contrib = new \titania_contribution();
     $contrib->__set_array($row);
     $contrib->set_type($row['contrib_type']);
     $contrib->author = new \titania_author();
     $contrib->author->__set_array($row);
     // Update the release topic
     $contrib->update_release_topic();
 }