function catalogues()
{
$command = $this->getDBConnection()->createCommand('SELECT name FROM catalogue ORDER BY name');
$dataReader = $command->query();
$result = array();
foreach ($dataReader as $row) {
$details = explode('.', $row[0]);
if (!isset($details[1])) {
$details[1] = null;
}
$result[] = $details;
}
return $result;
}