/**
* Answer true if the cache of the feed is current.
*
* @param string $url
* @return boolean
* @access protected
* @since 7/8/08
*/
protected function isCacheCurrent($url)
{
$dbc = Services::getService("DatabaseManager");
$query = new SelectQuery();
$query->addTable('segue_plugins_rssfeed_cache');
$query->addColumn('COUNT(*)', 'num');
$query->addWhereEqual('url', $url);
$query->addWhereRawGreaterThan('cache_time', $dbc->toDBDate(DateAndTime::now()->minus(Duration::withSeconds(600)), IMPORTER_CONNECTION));
try {
$result = $dbc->query($query, IMPORTER_CONNECTION);
} catch (NoSuchTableDatabaseException $e) {
return false;
}
$num = intval($result->field('num'));
$result->free();
if ($num > 0) {
return true;
} else {
return false;
}
}
