/**
* Initialize database object and connect
*
* @return rcube_db Database instance
*/
public static function db()
{
if (self::$db === null) {
$rc = rcube::get_instance();
$db = rcube_db::factory($rc->config->get('db_dsnw'));
$db->set_debug((bool) $rc->config->get('sql_debug'));
// Connect to database
$db->db_connect('w');
if (!$db->is_connected()) {
rcube::raise_error("Error connecting to database: " . $db->is_error(), false, true);
}
self::$db = $db;
}
return self::$db;
}
/**
* Update database schema
*
* @param string $version Version to update from
*
* @return boolen True on success, False on error
*/
public function update_db($version)
{
return rcmail_utils::db_update(INSTALL_PATH . 'SQL', 'roundcube', $version, array('quiet' => true));
}
